<s>
The	O
Intel-based	O
MacBook	B-Device
Pro	I-Device
is	O
a	O
discontinued	O
line	O
of	O
Macintosh	B-Device
notebook	B-Device
computers	I-Device
sold	O
by	O
Apple	O
Inc	O
.	O
from	O
2006	O
to	O
2021	O
.	O
</s>
<s>
It	O
was	O
the	O
higher-end	O
model	O
of	O
the	O
MacBook	B-Device
family	I-Device
,	O
sitting	O
above	O
the	O
consumer-focused	O
MacBook	B-Device
Air	I-Device
,	O
and	O
was	O
sold	O
with	O
13-inch	O
to	O
17-inch	O
screens	O
.	O
</s>
<s>
The	O
aluminum	O
MacBook	B-Device
Pro	I-Device
used	O
the	O
design	O
of	O
the	O
PowerBook	B-Operating_System
G4	I-Operating_System
,	O
but	O
replaced	O
the	O
PowerPC	B-General_Concept
G4	I-General_Concept
chips	O
with	O
Intel	B-Device
Core	I-Device
processors	B-General_Concept
,	O
added	O
a	O
webcam	B-Protocol
,	O
and	O
introduced	O
the	O
MagSafe	O
power	O
connector	O
.	O
</s>
<s>
Later	O
revisions	O
added	O
Intel	B-Device
Core	I-Device
2	I-Device
Duo	O
processors	B-General_Concept
and	O
LED-backlit	O
displays	O
.	O
</s>
<s>
Called	O
the	O
"	O
unibody	O
"	O
model	O
because	O
its	O
case	O
was	O
machined	O
from	O
a	O
single	O
piece	O
of	O
aluminum	O
,	O
it	O
had	O
a	O
thinner	O
flush	O
display	B-Device
,	O
a	O
redesigned	O
trackpad	B-Application
whose	O
entire	O
surface	O
consisted	O
of	O
a	O
single	O
clickable	O
button	O
,	O
and	O
a	O
redesigned	O
keyboard	O
.	O
</s>
<s>
Updates	O
brought	O
Intel	B-Device
Core	I-Device
i5	I-Device
and	O
i7	B-Device
processors	B-General_Concept
and	O
introduced	O
Intel	O
's	O
Thunderbolt	B-Protocol
.	O
</s>
<s>
The	O
retina	B-Device
MacBook	I-Device
Pro	O
was	O
released	O
in	O
2012	O
:	O
the	O
15-inch	O
in	O
June	O
2012	O
,	O
a	O
13-inch	O
model	O
in	O
October	O
.	O
</s>
<s>
It	O
is	O
thinner	O
than	O
its	O
predecessor	O
,	O
made	O
solid-state	O
storage	B-Device
(	O
SSD	B-Device
)	O
standard	O
,	O
added	O
HDMI	B-Protocol
,	O
and	O
included	O
a	O
high-resolution	O
Retina	B-Operating_System
display	I-Operating_System
.	O
</s>
<s>
It	O
eliminated	O
Ethernet	O
and	O
FireWire	B-Protocol
ports	I-Protocol
and	O
the	O
optical	O
drive	O
.	O
</s>
<s>
The	O
Touch	O
Bar	O
MacBook	B-Device
Pro	I-Device
,	O
released	O
in	O
October	O
2016	O
,	O
adopted	O
USB-C	O
for	O
all	O
data	O
ports	O
and	O
power	O
and	O
included	O
a	O
shallower	O
"	O
butterfly	O
"	O
-mechanism	O
keyboard	O
.	O
</s>
<s>
On	O
all	O
but	O
the	O
base	O
model	O
,	O
the	O
function	B-Application
keys	I-Application
were	O
replaced	O
with	O
a	O
touchscreen	O
strip	O
called	O
the	O
Touch	O
Bar	O
with	O
a	O
Touch	O
ID	O
sensor	O
integrated	O
into	O
the	O
power	O
button	O
.	O
</s>
<s>
A	O
November	O
2019	O
revision	O
to	O
the	O
Touch	O
Bar	O
MacBook	B-Device
Pro	I-Device
introduced	O
the	O
Magic	B-Device
Keyboard	I-Device
,	O
which	O
uses	O
a	O
scissor-switch	O
mechanism	O
.	O
</s>
<s>
The	O
Intel-based	O
MacBook	B-Device
Pros	I-Device
was	O
succeeded	O
by	O
Apple	B-Device
silicon	I-Device
MacBook	I-Device
Pros	I-Device
beginning	O
in	O
2020	O
as	O
part	O
of	O
the	O
Mac	B-Device
transition	I-Device
to	I-Device
Apple	I-Device
silicon	I-Device
.	O
</s>
<s>
On	O
November	O
10	B-Operating_System
,	O
2020	O
,	O
Apple	O
discontinued	O
the	O
two-port	O
13-inch	O
model	O
following	O
the	O
release	O
of	O
a	O
new	O
model	O
based	O
on	O
the	O
Apple	B-Device
M1	I-Device
.	O
</s>
<s>
The	O
16-inch	O
and	O
four-port	O
13-inch	O
models	O
were	O
discontinued	O
on	O
October	O
18	O
,	O
2021	O
,	O
following	O
the	O
release	O
of	O
14-inch	O
and	O
16-inch	O
models	O
based	O
on	O
the	O
M1	B-Device
Pro	I-Device
and	I-Device
M1	I-Device
Max	I-Device
.	O
</s>
<s>
The	O
original	O
15-inch	O
MacBook	B-Device
Pro	I-Device
was	O
announced	O
on	O
January	O
10	B-Operating_System
,	O
2006	O
,	O
by	O
Steve	O
Jobs	O
at	O
the	O
Macworld	O
Conference	O
&	O
Expo	O
.	O
</s>
<s>
The	O
first	O
design	O
was	O
largely	O
a	O
carryover	O
from	O
the	O
PowerBook	B-Operating_System
G4	I-Operating_System
,	O
but	O
uses	O
Intel	B-Device
Core	I-Device
CPUs	B-Device
instead	O
of	O
PowerPC	B-General_Concept
G4	I-General_Concept
chips	O
.	O
</s>
<s>
The	O
15-inch	O
MacBook	B-Device
Pro	I-Device
weighs	O
the	O
same	O
as	O
the	O
15-inch	O
aluminum	O
PowerBook	B-Operating_System
G4	I-Operating_System
,	O
but	O
is	O
deeper	O
,	O
wider	O
,	O
and	O
thinner	O
.	O
</s>
<s>
Other	O
changes	O
from	O
the	O
PowerBook	O
include	O
a	O
built-in	O
iSight	B-Protocol
webcam	B-Protocol
and	O
the	O
inclusion	O
of	O
MagSafe	O
,	O
a	O
magnetic	O
power	O
connector	O
designed	O
to	O
detach	O
easily	O
when	O
yanked	O
.	O
</s>
<s>
These	O
features	O
were	O
later	O
brought	O
over	O
to	O
the	O
MacBook	B-Device
.	O
</s>
<s>
The	O
optical	O
drive	O
was	O
shrunk	O
to	O
fit	O
into	O
the	O
slimmer	O
MacBook	B-Device
Pro	I-Device
;	O
it	O
runs	O
slower	O
than	O
the	O
optical	O
drive	O
in	O
the	O
PowerBook	B-Operating_System
G4	I-Operating_System
and	O
cannot	O
write	O
to	O
dual-layer	O
DVDs	O
.	O
</s>
<s>
Both	O
the	O
original	O
15	O
-	O
and	O
17-inch	O
model	O
MacBook	B-Device
Pro	I-Device
computers	O
come	O
with	O
ExpressCard/34	B-Device
slots	O
,	O
which	O
replace	O
the	O
PC	B-Architecture
Card	I-Architecture
slots	O
found	O
in	O
the	O
PowerBook	B-Operating_System
G4	I-Operating_System
.	O
</s>
<s>
Initial	O
aluminum	O
15-inch	O
models	O
retains	O
the	O
two	O
USB	B-Protocol
2.0	I-Protocol
ports	I-Protocol
and	O
a	O
FireWire	B-Protocol
400	O
port	O
but	O
drops	O
the	O
FireWire	B-Protocol
800	O
,	O
until	O
it	O
was	O
readded	O
in	O
a	O
later	O
revision	O
,	O
the	O
17-inch	O
models	O
have	O
an	O
additional	O
USB	B-Protocol
2.0	I-Protocol
port	I-Protocol
,	O
as	O
well	O
as	O
the	O
FireWire	B-Protocol
800	O
port	O
missing	O
from	O
the	O
initial	O
15-inch	O
models	O
.	O
</s>
<s>
All	O
models	O
now	O
included	O
802.11a/b/g	O
.	O
</s>
<s>
Apple	O
refreshed	O
the	O
entire	O
MacBook	B-Device
Pro	I-Device
line	O
on	O
October	O
24	O
,	O
2006	O
,	O
to	O
include	O
Intel	B-Device
Core	I-Device
2	I-Device
Duo	O
processors	B-General_Concept
which	O
were	O
the	O
first	O
64-Bit	O
processors	B-General_Concept
in	O
the	O
MacBook	B-Device
Pro	I-Device
.	O
</s>
<s>
Memory	B-Architecture
capacity	O
was	O
doubled	O
for	O
each	O
model	O
,	O
up	O
to	O
2GB	O
for	O
the	O
high-end	O
15	O
-	O
and	O
17-inch	O
models	O
.	O
</s>
<s>
FireWire	B-Protocol
800	O
was	O
added	O
to	O
the	O
15-inch	O
models	O
and	O
hard	B-Device
drive	I-Device
capacity	I-Device
was	O
also	O
increased	O
.	O
</s>
<s>
The	O
MacBook	B-Device
Pro	I-Device
line	O
received	O
a	O
second	O
update	O
on	O
June	O
5	O
,	O
2007	O
,	O
with	O
new	O
Nvidia	B-Application
Geforce	I-Application
8600M	O
GT	O
video	O
cards	O
and	O
faster	O
processor	B-General_Concept
options	O
.	O
</s>
<s>
Furthermore	O
,	O
the	O
speed	O
of	O
the	O
front-side	B-Architecture
bus	I-Architecture
was	O
increased	O
from	O
667	O
to	O
800MHz	O
.	O
</s>
<s>
On	O
November	O
1	O
,	O
2007	O
,	O
Apple	O
added	O
the	O
option	O
of	O
a	O
2.6GHz	O
Santa	O
Rosa	O
platform	O
Core	B-Device
2	I-Device
Duo	I-Device
CPU	B-Device
as	O
well	O
as	O
reconfigured	O
hard	B-Device
drive	I-Device
options	O
.	O
</s>
<s>
The	O
keyboard	O
also	O
received	O
several	O
changes	O
to	O
closely	O
mirror	O
the	O
one	O
which	O
shipped	O
with	O
the	O
iMac	B-Device
,	O
by	O
adding	O
the	O
same	O
keyboard	O
shortcuts	O
to	O
control	O
multimedia	O
,	O
and	O
removing	O
the	O
embedded	O
numeric	B-Device
keypad	I-Device
and	O
the	O
Apple	O
logo	O
from	O
the	O
command	B-Device
keys	I-Device
.	O
</s>
<s>
On	O
February	O
26	O
,	O
2008	O
,	O
the	O
MacBook	B-Device
Pro	I-Device
line	O
was	O
updated	O
once	O
more	O
.	O
</s>
<s>
Processors	B-General_Concept
were	O
updated	O
to	O
"	O
Penryn	B-Device
"	O
cores	O
,	O
which	O
are	O
built	O
on	O
the	O
45	O
nm	O
process	O
(	O
65	O
nm	O
"	O
Merom	B-Device
"	O
cores	O
were	O
previously	O
used	O
)	O
,	O
and	O
hard	B-Device
drive	I-Device
and	O
memory	B-Architecture
capacities	O
were	O
increased	O
.	O
</s>
<s>
Multi-touch	B-Application
capabilities	O
,	O
first	O
introduced	O
with	O
the	O
MacBook	B-Device
Air	I-Device
earlier	O
that	O
year	O
,	O
were	O
brought	O
over	O
to	O
the	O
trackpad	B-Application
.	O
</s>
<s>
Some	O
reviewers	O
applauded	O
the	O
MacBook	B-Device
Pro	I-Device
for	O
its	O
doubling	O
or	O
tripling	O
the	O
speed	O
of	O
the	O
PowerBook	B-Operating_System
G4	I-Operating_System
in	O
some	O
areas	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
3D	O
rendering	O
program	O
Cinema	B-Device
4D	I-Device
XL	O
was	O
3.3	O
times	O
as	O
fast	O
(	O
2.3	O
times	O
faster	O
)	O
,	O
and	O
its	O
boot-up	B-Operating_System
time	O
was	O
more	O
than	O
twice	O
as	O
quick	O
.	O
</s>
<s>
The	O
MacBook	B-Device
Pro	I-Device
generally	O
outperformed	O
the	O
PowerBook	B-Operating_System
G4	I-Operating_System
in	O
performance	O
analyzer	O
utility	O
tests	O
XBench	O
and	O
Cinebench	O
.	O
</s>
<s>
Reviewers	O
lauded	O
the	O
screen	O
's	O
maximum	O
brightness	O
,	O
67%	O
brighter	O
than	O
the	O
PowerBook	B-Operating_System
G4	I-Operating_System
;	O
the	O
excellent	O
horizontal	O
viewing	O
angles	O
;	O
the	O
matte	O
options	O
;	O
and	O
the	O
bright	O
,	O
crisp	O
,	O
and	O
true	O
colors	O
.	O
</s>
<s>
Although	O
the	O
screen	O
offered	O
fewer	O
vertical	O
pixels	O
(	O
in	O
the	O
MacBook	B-Device
Pro	I-Device
instead	O
of	O
in	O
the	O
PowerBook	O
)	O
,	O
one	O
reviewer	O
called	O
the	O
screen	O
"	O
nothing	O
less	O
than	O
stellar	O
"	O
.	O
</s>
<s>
They	O
also	O
praised	O
the	O
backlit	O
keyboard	O
,	O
large	O
trackpad	B-Application
,	O
and	O
virtually	O
silent	O
operation	O
of	O
the	O
machine	O
.	O
</s>
<s>
The	O
new	O
notebook	B-Device
also	O
offered	O
better	O
wireless	O
performance	O
.	O
</s>
<s>
One	O
reviewer	O
criticized	O
the	O
decision	O
to	O
underclock	B-Device
the	O
ATI	B-Device
Mobility	I-Device
Radeon	I-Device
X1600	I-Device
graphics	O
card	O
by	O
about	O
30%	O
its	O
original	O
speed	O
.	O
</s>
<s>
The	O
notebook	B-Device
was	O
also	O
noted	O
for	O
running	O
hot	O
.	O
</s>
<s>
Users	O
complained	O
that	O
upgrading	O
system	B-Architecture
memory	I-Architecture
was	O
harder	O
than	O
in	O
older	O
Apple	O
notebooks	B-Device
.	O
</s>
<s>
Since	O
the	O
dimensions	O
for	O
the	O
15-inch	O
MacBook	B-Device
Pro	I-Device
were	O
tweaked	O
slightly	O
from	O
the	O
15-inch	O
PowerBook	B-Operating_System
G4	I-Operating_System
,	O
older	O
accessories	O
such	O
as	O
notebook	B-Device
sleeves	O
did	O
not	O
work	O
with	O
the	O
new	O
models	O
.	O
</s>
<s>
Apple	O
increased	O
the	O
battery	O
capacity	O
by	O
10Wh	O
,	O
going	O
from	O
50	O
in	O
the	O
PowerBook	B-Operating_System
G4	I-Operating_System
to	O
60	O
,	O
but	O
the	O
more	O
powerful	O
Core	O
Duo	O
CPU	B-Device
required	O
more	O
power	O
.	O
</s>
<s>
Models	O
of	O
the	O
MacBook	B-Device
Pro	I-Device
built	O
from	O
2007	O
to	O
early	O
2008	O
(	O
15	O
"	O
)	O
/	O
late	O
2008	O
(	O
17	O
"	O
)	O
using	O
the	O
Nvidia	O
8600M	O
GT	O
chip	O
reportedly	O
exhibited	O
failures	O
in	O
which	O
the	O
GPU	B-Architecture
die	O
would	O
detach	O
from	O
the	O
chip	O
carrier	O
,	O
the	O
chip	O
would	O
detach	O
from	O
the	O
logic	O
board	O
.	O
</s>
<s>
The	O
issue	O
has	O
been	O
mitigated	O
by	O
some	O
users	O
by	O
keeping	O
the	O
notebook	B-Device
cooler	O
by	O
means	O
of	O
less	O
intensive	O
use	O
or	O
alternative	O
fan	O
settings	O
.	O
</s>
<s>
NVIDIA	O
also	O
confirmed	O
the	O
issue	O
,	O
and	O
previously	O
manufactured	O
replacement	O
GPUs	B-Architecture
,	O
which	O
some	O
users	O
have	O
replaced	O
themselves	O
.	O
</s>
<s>
On	O
October	O
14	O
,	O
2008	O
,	O
in	O
a	O
press	O
event	O
at	O
company	O
headquarters	O
,	O
Apple	O
officials	O
announced	O
a	O
new	O
15-inch	O
MacBook	B-Device
Pro	I-Device
featuring	O
a	O
"	O
precision	O
aluminum	O
unibody	O
enclosure	O
"	O
and	O
tapered	O
sides	O
similar	O
to	O
those	O
of	O
the	O
MacBook	B-Device
Air	I-Device
.	O
</s>
<s>
Designers	O
shifted	O
the	O
MacBook	B-Device
Pro	I-Device
's	O
ports	O
to	O
the	O
left	O
side	O
of	O
the	O
case	O
,	O
and	O
moved	O
the	O
optical	B-Device
disc	I-Device
drive	O
slot	O
from	O
the	O
front	O
to	O
the	O
right	O
side	O
,	O
similar	O
to	O
the	O
MacBook	B-Device
.	O
</s>
<s>
The	B-Device
new	I-Device
MacBook	I-Device
Pro	O
computers	O
had	O
two	O
video	O
cards	O
that	O
the	O
user	O
could	O
switch	O
between	O
:	O
the	O
Nvidia	B-Application
GeForce	I-Application
9600M	O
GT	O
with	O
either	O
256	O
or	O
512MB	O
of	O
dedicated	O
memory	B-Architecture
and	O
a	O
GeForce	B-Application
9400M	O
with	O
256MB	O
of	O
shared	O
system	B-Architecture
memory	I-Architecture
.	O
</s>
<s>
Although	O
the	O
FireWire	B-Protocol
400	O
port	O
was	O
removed	O
,	O
the	O
FireWire	B-Protocol
800	O
port	O
remained	O
.	O
</s>
<s>
The	O
DVI	B-Protocol
port	I-Protocol
was	O
replaced	O
with	O
a	O
Mini	B-Protocol
DisplayPort	I-Protocol
receptacle	O
.	O
</s>
<s>
The	O
original	O
unibody	O
MacBook	B-Device
Pro	I-Device
came	O
with	O
a	O
user-removable	O
battery	O
;	O
Apple	O
claimed	O
five	O
hours	O
of	O
use	O
,	O
with	O
one	O
reviewer	O
reporting	O
results	O
closer	O
to	O
four	O
hours	O
on	O
a	O
continuous	O
video	O
battery	O
stress	O
test	O
.	O
</s>
<s>
The	O
unibody-construction	O
MacBook	B-Device
Pro	I-Device
largely	O
follows	O
the	O
styling	O
of	O
the	O
original	O
aluminum	O
iMac	B-Device
and	O
the	O
MacBook	B-Device
Air	I-Device
and	O
is	O
slightly	O
thinner	O
than	O
its	O
predecessor	O
,	O
albeit	O
wider	O
and	O
deeper	O
due	O
to	O
the	O
widescreen	O
display	B-Device
.	O
</s>
<s>
The	O
entire	O
trackpad	B-Application
is	O
usable	O
and	O
acts	O
as	O
a	O
clickable	O
button	O
.	O
</s>
<s>
The	O
trackpad	B-Application
is	O
also	O
larger	O
than	O
that	O
of	O
the	O
aluminum	O
models	O
,	O
giving	O
more	O
room	O
for	O
scrolling	O
and	O
multi-touch	B-Application
gestures	O
.	O
</s>
<s>
When	O
the	O
line	O
was	O
updated	O
in	O
April	O
2010	O
,	O
inertial	O
scrolling	O
was	O
added	O
,	O
making	O
the	O
scrolling	O
experience	O
much	O
like	O
that	O
of	O
the	O
iPhone	B-Device
and	O
iPad	B-Device
.	O
</s>
<s>
During	O
the	O
MacWorld	O
Expo	O
keynote	O
on	O
January	O
6	O
,	O
2009	O
,	O
Phil	O
Schiller	O
announced	O
a	O
17-inch	O
MacBook	B-Device
Pro	I-Device
with	O
unibody	O
construction	O
.	O
</s>
<s>
This	O
version	O
diverged	O
from	O
its	O
15-inch	O
sibling	O
with	O
an	O
anti-glare	O
"	O
matte	O
"	O
screen	O
option	O
(	O
with	O
the	O
glossy	B-General_Concept
finish	O
standard	O
)	O
and	O
a	O
non	O
user-removable	O
lithium	O
polymer	O
battery	O
.	O
</s>
<s>
Instead	O
of	O
traditional	O
round	O
cells	O
inside	O
the	O
casing	O
,	O
the	O
lithium-ion	O
polymer	O
batteries	O
are	O
shaped	O
and	O
fitted	O
into	O
each	O
notebook	B-Device
to	O
maximally	O
utilize	O
space	O
.	O
</s>
<s>
At	O
Apple	O
's	O
Worldwide	O
Developers	O
Conference	O
(	O
WWDC	O
)	O
on	O
June	O
8	B-Application
,	O
2009	O
,	O
it	O
was	O
announced	O
that	O
the	O
13-inch	O
unibody	O
MacBook	B-Device
would	O
be	O
upgraded	O
and	O
re-branded	O
as	O
a	O
MacBook	B-Device
Pro	I-Device
,	O
leaving	O
only	O
the	O
white	O
polycarbonate	O
MacBook	B-Device
in	O
the	O
MacBook	B-Device
line	O
.	O
</s>
<s>
It	O
was	O
also	O
announced	O
that	O
the	O
entire	O
MacBook	B-Device
Pro	I-Device
line	O
would	O
use	O
the	O
non-user-removable	O
battery	O
first	O
introduced	O
in	O
the	O
17-inch	O
MacBook	B-Device
Pro	I-Device
.	O
</s>
<s>
The	O
updated	O
MacBook	B-Device
Pro	I-Device
13	O
-	O
and	O
the	O
15-inch	O
would	O
each	O
have	O
up	O
to	O
a	O
claimed	O
7	B-Device
hours	O
of	O
battery	O
life	O
,	O
while	O
the	O
17-inch	O
would	O
keep	O
its	O
8-hour	O
capacity	O
.	O
</s>
<s>
Some	O
sources	O
even	O
reported	O
up	O
to	O
eight	O
hours	O
of	O
battery	O
life	O
for	O
the	O
13	O
-	O
and	O
15-inch	O
MacBook	B-Device
Pro	I-Device
computers	O
during	O
casual	O
use	O
,	O
while	O
others	O
reported	O
around	O
six	O
hours	O
.	O
</s>
<s>
Like	O
the	O
17-inch	O
MacBook	B-Device
Pro	I-Device
,	O
Apple	O
claims	O
that	O
they	O
will	O
last	O
around	O
1,000	O
charging	O
cycles	O
while	O
still	O
containing	O
80%	O
of	O
their	O
capacity	O
.	O
</s>
<s>
Graphics	O
card	O
options	O
stayed	O
the	O
same	O
from	O
the	O
previous	O
release	O
,	O
although	O
the	O
13-inch	O
and	O
the	O
base	O
model	O
15-inch	O
,	O
came	O
with	O
only	O
the	O
GeForce	B-Application
9400M	O
GPU	B-Architecture
.	O
</s>
<s>
All	O
of	O
these	O
mid-2009	O
models	O
also	O
included	O
a	O
FireWire	B-Protocol
800	O
port	O
and	O
all	O
except	O
the	O
17-inch	O
models	O
would	O
receive	O
an	O
SD	B-Device
card	I-Device
slot	O
.	O
</s>
<s>
The	O
17-inch	O
model	O
would	O
retain	O
its	O
ExpressCard/34	B-Device
slot	O
.	O
</s>
<s>
For	O
the	O
13-inch	O
MacBook	B-Device
Pro	I-Device
,	O
the	O
Kensington	O
lock	O
slot	O
was	O
moved	O
to	O
the	O
right	O
side	O
of	O
the	O
chassis	O
.	O
</s>
<s>
In	O
August	O
2009	O
,	O
Apple	O
extended	O
the	O
"	O
matte	O
"	O
anti-glare	O
display	B-Device
option	O
to	O
the	O
15-inch	O
MacBook	B-Device
Pro	I-Device
.	O
</s>
<s>
On	O
April	O
13	O
,	O
2010	O
,	O
Intel	B-Device
Core	I-Device
i5	I-Device
and	O
Core	B-Device
i7	I-Device
CPUs	B-Device
were	O
introduced	O
in	O
the	O
15	O
-	O
and	O
17-inch	O
models	O
,	O
while	O
the	O
13-inch	O
retained	O
the	O
Core	B-Device
2	I-Device
Duo	I-Device
with	O
a	O
speed	O
increase	O
.	O
</s>
<s>
The	O
power	O
brick	O
was	O
redesigned	O
and	O
a	O
high-resolution	O
display	B-Device
(	O
of	O
)	O
was	O
announced	O
as	O
an	O
option	O
for	O
the	O
15-inch	O
models	O
.	O
</s>
<s>
The	O
13-inch	O
gained	O
an	O
integrated	O
Nvidia	B-Application
GeForce	I-Application
320M	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
GPU	B-Architecture
)	O
with	O
256MB	O
of	O
shared	O
memory	B-Architecture
,	O
while	O
the	O
15	O
-	O
and	O
17-inch	O
models	O
were	O
upgraded	O
to	O
the	O
GeForce	B-Application
GT	O
330M	O
,	O
with	O
either	O
256	O
or	O
512MB	O
of	O
dedicated	O
memory	B-Architecture
.	O
</s>
<s>
The	O
15	O
-	O
and	O
17-inch	O
models	O
also	O
have	O
an	O
integrated	O
Intel	O
GPU	B-Architecture
that	O
is	O
built	O
into	O
the	O
Core	B-Device
i5	I-Device
and	O
i7	B-Device
processors	B-General_Concept
.	O
</s>
<s>
Save	O
for	O
a	O
third	O
USB	B-Protocol
2.0	I-Protocol
slot	O
,	O
all	O
the	O
ports	O
on	O
the	O
17-inch	O
MacBook	B-Device
Pro	I-Device
are	O
the	O
same	O
in	O
type	O
and	O
number	O
as	O
on	O
the	O
15-inch	O
version	O
.	O
</s>
<s>
All	O
models	O
come	O
with	O
4GB	O
of	O
system	B-Architecture
memory	I-Architecture
that	O
is	O
upgradeable	O
to	O
8GB	O
.	O
</s>
<s>
Battery	O
life	O
was	O
also	O
extended	O
further	O
in	O
this	O
update	O
,	O
to	O
an	O
estimated	O
10	B-Operating_System
hours	O
for	O
the	O
13-inch	O
and	O
8	B-Application
–	O
9	O
hours	O
on	O
the	O
15	O
-	O
and	O
17-inch	O
MacBook	B-Device
Pro	I-Device
computers	O
.	O
</s>
<s>
One	O
reviewer	O
reported	O
about	O
6	O
hours	O
of	O
battery	O
life	O
through	O
a	O
continuous	O
video	O
battery	O
stress	O
test	O
in	O
the	O
15-inch	O
and	O
another	O
,	O
who	O
called	O
the	O
battery	O
life	O
"	O
unbeatable	O
"	O
,	O
reported	O
nearer	O
to	O
8	B-Application
in	O
the	O
13-inch	O
through	O
their	O
"	O
highly	O
demanding	O
battery	O
drain	O
test	O
"	O
.	O
</s>
<s>
Thunderbolt	B-Protocol
technology	O
,	O
Sandy	B-Device
Bridge	I-Device
dual-core	B-Architecture
Intel	B-Device
Core	I-Device
i5	I-Device
and	O
i7	B-Device
(	O
on	O
the	O
13-inch	O
model	O
)	O
or	O
quad-core	B-Architecture
i7	B-Device
(	O
on	O
the	O
15	O
-	O
and	O
17-inch	O
models	O
)	O
processors	B-General_Concept
,	O
and	O
a	O
high	O
definition	O
FaceTime	B-Operating_System
camera	I-Operating_System
were	O
added	O
on	O
February	O
24	O
,	O
2011	O
.	O
</s>
<s>
Intel	B-Application
HD	I-Application
Graphics	I-Application
3000	I-Application
come	O
integrated	O
with	O
the	O
CPU	B-Device
,	O
while	O
the	O
15	O
-	O
and	O
17-inch	O
models	O
also	O
utilize	O
AMD	O
Radeon	O
HD	O
6490M	O
and	O
Radeon	O
HD	O
6750M	O
graphics	O
cards	O
.	O
</s>
<s>
Later	O
editions	O
of	O
these	O
models	O
,	O
following	O
the	O
release	O
of	O
OS	B-Application
X	I-Application
Lion	I-Application
,	O
replaced	O
the	O
Expose	O
(	O
F3	O
)	O
key	O
with	O
a	O
Mission	O
Control	O
key	O
,	O
and	O
the	O
Dashboard	O
(	O
F4	O
)	O
key	O
with	O
a	O
Launchpad	O
key	O
.	O
</s>
<s>
The	O
Thunderbolt	B-Protocol
serial	O
bus	O
platform	O
can	O
achieve	O
speeds	O
of	O
up	O
to	O
10Gbit/s	O
,	O
which	O
is	O
up	O
to	O
twice	O
as	O
fast	O
as	O
the	O
USB	B-Protocol
3.0	O
specification	O
,	O
20	O
times	O
faster	O
than	O
the	O
USB	B-Protocol
2.0	I-Protocol
specification	O
,	O
and	O
up	O
to	O
12	O
times	O
faster	O
than	O
FireWire	B-Protocol
800	O
.	O
</s>
<s>
Apple	O
says	O
that	O
Thunderbolt	B-Protocol
can	O
be	O
used	O
to	O
drive	O
displays	O
or	O
to	O
transfer	O
large	O
quantities	O
of	O
data	O
in	O
a	O
short	O
amount	O
of	O
time	O
.	O
</s>
<s>
On	O
June	O
11	O
,	O
2012	O
,	O
Apple	O
showcased	O
its	O
upgraded	O
Mac	O
notebooks	B-Device
,	O
OS	B-Operating_System
X	I-Operating_System
Mountain	I-Operating_System
Lion	I-Operating_System
,	O
and	O
iOS	B-Application
6	O
at	O
the	O
Worldwide	O
Developers	O
Conference	O
(	O
WWDC	O
)	O
in	O
San	O
Francisco	O
.	O
</s>
<s>
The	B-Device
new	I-Device
MacBook	I-Device
Pro	O
models	O
were	O
updated	O
with	O
Ivy	B-Device
Bridge	I-Device
processors	B-General_Concept
and	O
USB	B-Protocol
3.0	O
ports	O
,	O
and	O
the	O
default	O
RAM	B-Architecture
on	O
premium	O
models	O
was	O
increased	O
to	O
8GB	O
.	O
</s>
<s>
After	O
a	O
media	O
event	O
on	O
October	O
22	O
,	O
2013	O
,	O
Apple	O
discontinued	O
all	O
unibody	O
MacBook	B-Device
Pro	I-Device
computers	O
except	O
for	O
the	O
entry-level	O
2.5GHz	O
13-inch	O
model	O
.	O
</s>
<s>
Apple	O
discontinued	O
the	O
13-inch	O
unibody	O
MacBook	B-Device
Pro	I-Device
on	O
October	O
27	O
,	O
2016	O
.	O
</s>
<s>
Prior	O
to	O
its	O
discontinuation	O
it	O
was	O
Apple	O
's	O
only	O
product	O
to	O
still	O
include	O
an	O
optical	O
drive	O
and	O
a	O
FireWire	B-Protocol
port	I-Protocol
,	O
and	O
only	O
notebook	B-Device
with	O
a	O
hard	B-Device
disk	I-Device
drive	I-Device
and	O
Ethernet	O
port	O
.	O
</s>
<s>
It	O
is	O
also	O
the	O
only	O
MacBook	B-Device
Pro	I-Device
to	O
support	O
11	O
versions	O
of	O
macOS	B-Application
,	O
from	O
Mac	B-Application
OS	I-Application
X	I-Application
Leopard	I-Application
10.5	O
through	O
macOS	B-Device
Catalina	I-Device
10.15	O
.	O
</s>
<s>
Some	O
reviewers	O
praised	O
the	O
new	O
notebook	B-Device
's	O
performance	O
and	O
compact	O
size	O
,	O
the	O
quality	O
of	O
the	O
screen	O
,	O
and	O
sturdy	O
unibody	O
build	O
,	O
which	O
allowed	O
easier	O
upgrading	O
of	O
internal	O
components	O
as	O
compared	O
to	O
the	O
original	O
models	O
.	O
</s>
<s>
Some	O
reviewers	O
also	O
noted	O
that	O
the	B-Device
new	I-Device
MacBook	I-Device
Pro	O
ran	O
more	O
quietly	O
and	O
at	O
cooler	O
temperatures	O
than	O
aluminum	O
machines	O
.	O
</s>
<s>
The	O
Reviewers	O
lamented	O
the	O
loss	O
of	O
a	O
matte	O
screen	O
option	O
for	O
the	O
2008	O
unibody	O
MacBook	B-Device
Pro	I-Device
,	O
noting	O
the	O
reflectiveness	O
of	O
the	O
screen	O
in	O
sunlight	O
,	O
even	O
when	O
its	O
brightness	O
was	O
turned	O
all	O
the	O
way	O
up	O
.	O
</s>
<s>
CNET	O
's	O
Dan	O
Ackerman	O
commented	O
of	O
the	O
mid-2009	O
models	O
:	O
"	O
According	O
to	O
Apple	O
,	O
the	O
new	O
display	B-Device
offers	O
a	O
wider	O
color	O
gamut	O
,	O
and	O
the	O
screen	O
certainly	O
looks	O
bright	O
and	O
colorful	O
,	O
but	O
we	O
wish	O
the	O
same	O
matte-screen	O
option	O
offered	O
on	O
the	O
17-inch	O
MacBook	B-Device
Pro	I-Device
was	O
available	O
across	O
the	O
line	O
...	O
</s>
<s>
While	O
the	O
LED	O
screen	O
means	O
a	O
thinner	O
lid	O
and	O
some	O
battery	O
life	O
benefits	O
,	O
the	O
edge-to-edge	O
glass	O
covering	O
the	O
entire	O
display	B-Device
panel	O
grabs	O
stray	O
light	O
rays	O
with	O
ease	O
,	O
making	O
the	O
glossy	B-General_Concept
screen	I-General_Concept
hard	O
to	O
see	O
in	O
some	O
lighting	O
conditions.	O
"	O
</s>
<s>
Furthermore	O
,	O
the	O
addition	O
of	O
Mini	B-Protocol
DisplayPort	I-Protocol
instead	O
of	O
the	O
more	O
popular	O
HDMI	B-Protocol
was	O
criticized	O
.	O
</s>
<s>
The	O
relatively	O
low	O
number	O
of	O
ports	O
and	O
lower	O
end	O
technical	O
specifications	O
when	O
compared	O
to	O
similarly	O
priced	O
laptops	B-Device
from	O
other	O
brands	O
were	O
also	O
bemoaned	O
.	O
</s>
<s>
Laptop	B-Device
Magazines	O
Michael	O
Prospero	O
praised	O
the	O
2010	O
15-inch	O
model	O
's	O
display	B-Device
,	O
calling	O
it	O
"	O
bright	O
and	O
crisp	O
"	O
.	O
</s>
<s>
He	O
further	O
commented	O
,	O
"	O
While	O
reflections	O
from	O
the	O
glossy	B-General_Concept
display	I-General_Concept
were	O
n't	O
overwhelming	O
,	O
it	O
's	O
also	O
nice	O
to	O
know	O
there	O
's	O
an	O
antiglare	O
option	O
—	O
though	O
only	O
for	O
the	O
higher	O
resolution	O
display	B-Device
.	O
</s>
<s>
He	O
also	O
lauded	O
the	O
quality	O
of	O
the	O
iSight	B-Protocol
webcam	B-Protocol
,	O
the	O
responsiveness	O
of	O
the	O
trackpad	B-Application
,	O
the	O
microphone	O
and	O
speakers	O
,	O
as	O
well	O
as	O
the	O
performance	O
of	O
the	O
new	O
CPUs	B-Device
for	O
the	O
15	O
"	O
model	O
and	O
the	O
long	O
battery	O
life	O
.	O
</s>
<s>
Complaints	O
included	O
the	O
price	O
of	O
the	O
notebook	B-Device
,	O
the	O
low	O
number	O
of	O
USB	B-Protocol
ports	I-Protocol
,	O
and	O
the	O
lack	O
of	O
HDMI	B-Protocol
.	O
</s>
<s>
Acclaim	O
was	O
also	O
given	O
to	O
the	O
Core	B-Device
i5	I-Device
and	O
i7	B-Device
CPUs	B-Device
,	O
the	O
multi-touch	B-Application
trackpad	B-Application
,	O
and	O
the	O
addition	O
of	O
audio	O
capabilities	O
to	O
the	O
Mini	B-Protocol
DisplayPort	I-Protocol
video	O
output	O
.	O
</s>
<s>
They	O
also	O
called	O
for	O
the	O
addition	O
of	O
HDMI	B-Protocol
and	O
the	O
Blu-ray	O
optical	B-Device
disc	I-Device
format	O
,	O
saying	O
that	O
most	O
other	O
computers	O
in	O
the	O
MacBook	B-Device
Pro	I-Device
's	O
price	O
range	O
possessed	O
these	O
features	O
.	O
</s>
<s>
Since	O
the	O
RAM	B-Architecture
and	O
the	O
hard	B-Device
drive	I-Device
on	O
some	O
generations	O
of	O
MacBook	B-Device
Pro	I-Device
are	O
user-serviceable	O
parts	O
,	O
there	O
are	O
aftermarket	O
modifications	O
to	O
enhance	O
the	O
system	O
with	O
up	O
to	O
16GB	O
DDR3-1600	O
RAM	B-Architecture
(	O
although	O
maximum	O
capacity	O
and	O
frequency	O
depend	O
on	O
the	O
hardware	O
in	O
question	O
)	O
,	O
7,200	O
rpm	O
hard	B-Device
drives	I-Device
or	O
third-party	O
SSDs	B-Device
.	O
</s>
<s>
A	O
third-party	O
caddy	O
was	O
also	O
made	O
,	O
allowing	O
the	O
internal	O
optical	O
drive	O
to	O
be	O
replaced	O
with	O
a	O
second	O
internal	O
SATA	O
2.5-inch	O
hard	B-Device
drive	I-Device
.	O
</s>
<s>
Early	O
and	O
late	O
2011	O
models	O
with	O
a	O
GPU	B-Architecture
;	O
15	O
"	O
&	O
17	O
"	O
;	O
reportedly	O
suffer	O
from	O
manufacturing	O
problems	O
leading	O
to	O
overheating	O
,	O
graphical	O
problems	O
,	O
and	O
eventually	O
complete	O
GPU	B-Architecture
and	O
logic	O
board	O
failure	O
.	O
</s>
<s>
A	O
similar	O
but	O
nonidentical	O
problem	O
affected	O
iMac	B-Device
GPUs	B-Architecture
which	O
were	O
later	O
recalled	O
by	O
Apple	O
.	O
</s>
<s>
The	O
lawsuit	O
will	O
cover	O
residents	O
residing	O
in	O
both	O
California	O
and	O
Florida	O
who	O
have	O
purchased	O
a	O
2011	O
MacBook	B-Device
Pro	I-Device
notebook	B-Device
with	O
an	O
AMD	O
graphics	O
card	O
.	O
</s>
<s>
On	O
February	O
20	O
,	O
2015	O
,	O
Apple	O
instituted	O
the	O
This	O
"	O
will	O
repair	O
affected	O
MacBook	B-Device
Pro	I-Device
systems	O
,	O
free	O
of	O
charge	O
"	O
.	O
</s>
<s>
The	O
program	O
covered	O
affected	O
MacBook	B-Device
Pro	I-Device
models	O
until	O
December	O
31	O
,	O
2016	O
,	O
four	O
years	O
from	O
original	O
date	O
of	O
sale	O
.	O
</s>
<s>
On	O
June	O
11	O
,	O
2012	O
,	O
at	O
the	O
Apple	O
Worldwide	O
Developers	O
Conference	O
in	O
San	O
Francisco	O
,	O
Apple	O
introduced	O
the	O
Retina	B-Device
MacBook	I-Device
Pro	I-Device
,	O
the	O
15-inch	O
in	O
June	O
2012	O
,	O
a	O
13-inch	O
model	O
in	O
October	O
,	O
marketed	O
as	O
the	O
"	O
MacBook	B-Device
Pro	I-Device
with	O
Retina	B-Operating_System
display	I-Operating_System
"	O
to	O
differentiate	O
it	O
from	O
the	O
previous	O
model	O
.	O
</s>
<s>
The	O
new	O
model	O
includes	O
Intel	O
's	O
third-generation	O
Core	B-Device
i7	I-Device
processors	B-General_Concept
(	O
Ivy	B-Device
Bridge	I-Device
microarchitecture	I-Device
)	O
.	O
</s>
<s>
It	O
made	O
solid-state	O
storage	B-Device
(	O
SSD	B-Device
)	O
standard	O
,	O
upgraded	O
to	O
USB	B-Protocol
3.0	O
,	O
added	O
an	O
additional	O
Thunderbolt	B-Protocol
port	I-Protocol
,	O
added	O
HDMI	B-Protocol
,	O
and	O
included	O
a	O
high-resolution	O
Retina	B-Operating_System
display	I-Operating_System
.	O
</s>
<s>
The	O
model	O
name	O
is	O
no	O
longer	O
placed	O
at	O
the	O
bottom	O
of	O
the	O
screen	O
bezel	O
;	O
instead	O
,	O
it	O
is	O
found	O
on	O
the	O
underside	O
of	O
the	O
chassis	O
,	O
similar	O
to	O
an	O
iOS	B-Application
device	O
and	O
is	O
the	O
first	O
Macintosh	B-Device
notebook	B-Device
to	O
not	O
have	O
its	O
model	O
name	O
visible	O
during	O
normal	O
use	O
.	O
</s>
<s>
It	O
eliminated	O
Ethernet	O
,	O
FireWire	B-Protocol
800	O
ports	O
,	O
but	O
Thunderbolt	B-Protocol
adapters	O
were	O
available	O
for	O
purchase	O
,	O
Kensington	O
lock	O
slot	O
,	O
the	O
battery	O
indicator	O
button	O
and	O
light	O
on	O
the	O
side	O
of	O
the	O
chassis	O
,	O
and	O
the	O
optical	O
drive	O
,	O
being	O
the	O
first	O
professional	O
notebook	B-Device
since	O
the	O
PowerBook	B-Device
2400c	I-Device
,	O
but	O
brought	O
a	O
new	O
MagSafe	O
port	O
,	O
dubbed	O
the	O
"	O
MagSafe	O
2	O
"	O
.	O
</s>
<s>
Apple	O
also	O
claims	O
improved	O
speakers	O
and	O
microphones	O
and	O
a	O
new	O
system	O
for	O
cooling	O
the	O
notebook	B-Device
with	O
improved	O
fans	O
.	O
</s>
<s>
The	O
MacBook	B-Device
Pro	I-Device
with	O
Retina	B-Operating_System
display	I-Operating_System
was	O
one	O
of	O
only	O
two	O
Macs	O
that	O
feature	O
a	O
built-in	O
HDMI	B-Protocol
port	O
(	O
the	O
other	O
being	O
the	O
Mac	B-Device
Mini	I-Device
)	O
.	O
</s>
<s>
Apple	O
introduced	O
a	O
13-inch	O
version	O
on	O
October	O
23	O
,	O
2012	O
,	O
with	O
specifications	O
similar	O
but	O
slightly	O
inferior	O
to	O
the	O
15-inch	O
version	O
's	O
,	O
such	O
as	O
less	O
powerful	O
processors	B-General_Concept
.	O
</s>
<s>
The	O
Retina	O
models	O
also	O
have	O
fewer	O
user-accessible	O
upgrade	O
or	O
replacement	O
options	O
than	O
previous	O
MacBooks	B-Device
.	O
</s>
<s>
Unlike	O
in	O
previous	O
generations	O
,	O
the	O
memory	B-Architecture
is	O
soldered	O
onto	O
the	O
logic	O
board	O
and	O
is	O
therefore	O
not	O
upgradable	O
.	O
</s>
<s>
The	O
solid	B-Device
state	I-Device
drive	I-Device
is	O
not	O
soldered	O
and	O
can	O
be	O
replaced	O
by	O
users	O
,	O
although	O
it	O
has	O
a	O
proprietary	O
connector	O
and	O
form	O
factor	O
.	O
</s>
<s>
The	O
battery	O
is	O
glued	O
into	O
place	O
;	O
attempts	O
to	O
remove	O
it	O
may	O
destroy	O
the	O
battery	O
and/or	O
trackpad	B-Application
.	O
</s>
<s>
The	O
entire	O
case	O
uses	O
proprietary	O
pentalobe	B-Operating_System
screws	I-Operating_System
and	O
cannot	O
be	O
disassembled	O
with	O
standard	O
tools	O
.	O
</s>
<s>
On	O
February	O
13	O
,	O
2013	O
,	O
Apple	O
announced	O
updated	O
prices	O
and	O
processors	B-General_Concept
and	O
increased	O
the	O
memory	B-Architecture
of	O
the	O
high-end	O
15-inch	O
model	O
to	O
16GB	O
.	O
</s>
<s>
On	O
October	O
22	O
,	O
2013	O
,	O
Apple	O
updated	O
the	O
line	O
with	O
Intel	O
's	O
Haswell	B-Device
processors	B-General_Concept
and	O
Iris	B-Application
Graphics	I-Application
,	O
802.11ac	O
Wi-Fi	O
,	O
Thunderbolt	B-Protocol
2	I-Protocol
,	O
and	O
PCIe-based	O
flash	O
storage	B-Device
.	O
</s>
<s>
Support	O
for	O
4K	B-Architecture
video	I-Architecture
output	O
via	O
HDMI	B-Protocol
was	O
added	O
but	O
limited	O
the	O
maximum	O
number	O
of	O
external	O
displays	O
from	O
three	O
to	O
two	O
.	O
</s>
<s>
On	O
July	O
29	O
,	O
2014	O
,	O
Apple	O
announced	O
new	O
models	O
with	O
updated	O
prices	O
and	O
processors	B-General_Concept
.	O
</s>
<s>
On	O
March	O
9	O
,	O
2015	O
,	O
the	O
13-inch	O
model	O
was	O
updated	O
with	O
Intel	B-General_Concept
Broadwell	I-General_Concept
processors	B-General_Concept
,	O
Iris	O
6100	O
graphics	O
,	O
faster	O
flash	O
storage	B-Device
(	O
based	O
on	O
PCIe	O
2.0	O
×	O
4	O
technology	O
)	O
,	O
faster	O
RAM	B-Architecture
(	O
upgraded	O
from	O
1600MHZ	O
to	O
1866MHZ	O
)	O
,	O
increased	O
battery	O
life	O
(	O
extended	O
to	O
10	B-Operating_System
hours	O
)	O
,	O
and	O
a	O
Force	B-Device
Touch	I-Device
trackpad	B-Application
.	O
</s>
<s>
On	O
May	O
19	O
,	O
2015	O
,	O
15-inch	O
model	O
added	O
Force	B-Device
Touch	I-Device
and	O
changed	O
the	O
GPU	B-Architecture
to	O
AMD	O
Radeon	B-Device
R9	I-Device
M370X	O
,	O
SSD	B-Device
based	O
on	O
PCIe	O
3.0	O
×	O
4	O
technology	O
,	O
the	O
battery	O
life	O
was	O
extended	O
to	O
9	O
hours	O
,	O
and	O
the	O
rest	O
of	O
the	O
configuration	O
remained	O
unchanged	O
.	O
</s>
<s>
The	O
15-inch	O
models	O
were	O
released	O
with	O
the	O
same	O
Intel	B-Device
Haswell	I-Device
processors	B-General_Concept
and	O
Iris	B-Application
Pro	I-Application
graphics	I-Application
as	O
the	O
2014	O
models	O
due	O
to	O
a	O
delay	O
in	O
shipment	O
of	O
newer	O
Broadwell	B-General_Concept
quad-core	B-Architecture
processors	I-Architecture
.	O
</s>
<s>
The	O
Retina	B-Device
MacBook	I-Device
Pro	O
received	O
positive	O
reviews	O
of	O
the	O
Retina	B-Operating_System
Display	I-Operating_System
,	O
flash	O
storage	B-Device
and	O
power	O
.	O
</s>
<s>
Roman	O
Loyola	O
of	O
Macworld	O
said	O
that	O
the	O
Retina	B-Device
MacBook	I-Device
Pro	O
was	O
"	O
groundbreaking	O
"	O
and	O
made	O
people	O
"	O
rethink	O
how	O
they	O
use	O
technology	O
"	O
.	O
</s>
<s>
He	O
praised	O
the	O
inclusion	O
of	O
USB	B-Protocol
3.0	O
and	O
the	O
slimmer	O
body	O
.	O
</s>
<s>
Dan	O
Ackerman	O
of	O
CNET	O
commented	O
"	O
I	O
've	O
previously	O
called	O
the	O
15-inch	O
MacBook	B-Device
Pro	I-Device
one	O
of	O
the	O
most	O
universally	O
useful	O
all-around	O
laptops	B-Device
you	O
can	O
buy	O
.	O
</s>
<s>
This	O
new	O
version	O
adds	O
to	O
that	O
with	O
HDMI	B-Protocol
,	O
faster	O
ports	O
,	O
and	O
more	O
portability	O
.	O
</s>
<s>
The	O
Pro	O
and	O
Retina	O
Pro	O
are	O
clearly	O
two	O
laptops	B-Device
designed	O
for	O
two	O
different	O
users	O
,	O
and	O
with	O
the	O
exception	O
of	O
all-day	O
commuters	O
who	O
need	O
something	O
closer	O
to	O
a	O
MacBook	B-Device
Air	I-Device
or	O
ultrabook	O
,	O
one	O
of	O
the	O
two	O
branches	O
of	O
the	O
MacBook	B-Device
Pro	I-Device
family	O
tree	O
is	O
still	O
probably	O
the	O
most	O
universally	O
useful	O
laptop	B-Device
you	O
can	O
buy.	O
"	O
</s>
<s>
Joel	O
Santo	O
Domingo	O
of	O
PC	O
Magazine	O
gave	O
the	O
MacBook	B-Device
Pro	I-Device
an	O
"	O
Editor	O
's	O
Choice	O
"	O
rating	O
.	O
</s>
<s>
He	O
praised	O
its	O
"	O
brilliant	O
Retina	B-Operating_System
display	I-Operating_System
"	O
,	O
the	O
thin	O
design	O
,	O
port	O
selection	O
and	O
speedy	O
storage	B-Device
,	O
and	O
highlighted	O
the	O
expandability	O
via	O
Thunderbolt	B-Protocol
ports	I-Protocol
which	O
support	O
up	O
to	O
seven	O
devices	O
each	O
.	O
</s>
<s>
David	O
Pogue	O
of	O
The	O
New	O
York	O
Times	O
praised	O
the	O
15-inch	O
model	O
's	O
screen	O
,	O
keyboard	O
,	O
sound	O
,	O
start-up	O
time	O
,	O
cosmetics	O
,	O
battery	O
life	O
,	O
storage	B-Device
,	O
and	O
RAM	B-Architecture
capacity	O
.	O
</s>
<s>
They	O
criticized	O
the	O
lack	O
of	O
a	O
SuperDrive	B-Device
,	O
pricing	O
,	O
and	O
the	O
MagSafe	O
2	O
power	O
connector	O
's	O
lack	O
of	O
backwards	O
compatibility	O
with	O
the	O
older	O
MagSafe	O
design	O
.	O
</s>
<s>
The	O
Retina	B-Operating_System
Display	I-Operating_System
on	O
the	O
MacBook	B-Device
Pro	I-Device
have	O
been	O
criticized	O
for	O
"	O
image	B-Device
retention	I-Device
"	O
,	O
specifically	O
for	O
displays	O
manufactured	O
by	O
LG	O
.	O
</s>
<s>
In	O
2017	O
,	O
one	O
year	O
after	O
the	O
introduction	O
of	O
the	O
Touch	O
Bar	O
of	O
the	O
MacBook	B-Device
Pro	I-Device
,	O
the	O
original	O
lead	O
developer	O
of	O
Tumblr	B-Application
Marco	O
Arment	O
wrote	O
an	O
evocative	O
article	O
in	O
which	O
he	O
declared	O
the	O
Retina	B-Device
MacBook	I-Device
Pro	I-Device
the	O
best	O
laptop	B-Device
ever	O
made	O
.	O
</s>
<s>
Wired	O
also	O
criticized	O
Apple	O
's	O
recyclability	O
claims	O
in	O
2012	O
:	O
"[t]he	O
design	O
may	O
well	O
be	O
'	O
highly	O
recyclable	O
aluminum	O
and	O
glass'—but	O
my	O
friends	O
in	O
the	O
electronics	O
recycling	O
industry	O
tell	O
me	O
they	O
have	O
no	O
way	O
of	O
recycling	O
aluminum	O
that	O
has	O
glass	O
glued	O
to	O
it	O
like	O
Apple	O
did	O
with	O
both	O
this	O
machine	O
and	O
the	O
recent	O
iPad.	O
"	O
</s>
<s>
In	O
June	O
2019	O
,	O
Apple	O
announced	O
a	O
worldwide	O
recall	O
for	O
certain	O
2015	O
15	O
"	O
MacBook	B-Device
Pro	I-Device
computers	O
after	O
receiving	O
at	O
least	O
26	O
reports	O
of	O
batteries	O
becoming	O
hot	O
enough	O
to	O
produce	O
smoke	O
and	O
inflict	O
minor	O
burns	O
or	O
property	O
damage	O
.	O
</s>
<s>
In	O
September	O
2019	O
,	O
India	O
's	O
Directorate	O
General	O
of	O
Civil	O
Aviation	O
said	O
MacBook	B-Device
Pro	I-Device
computers	O
could	O
dangerously	O
overheat	O
,	O
leading	O
the	O
national	O
carrier	O
Air	O
India	O
to	O
ban	O
the	O
model	O
on	O
its	O
flights	O
.	O
</s>
<s>
Apple	O
unveiled	O
Touch	O
Bar	O
13	O
-	O
and	O
15-inch	O
MacBook	B-Device
Pro	I-Device
models	O
during	O
a	O
press	O
event	O
at	O
their	O
headquarters	O
on	O
October	O
26	O
,	O
2016	O
.	O
</s>
<s>
All	O
models	O
,	O
except	O
for	O
the	O
baseline	O
13-inch	O
model	O
,	O
featured	O
the	O
Touch	O
Bar	O
,	O
a	O
new	O
multi-touch-enabled	O
OLED	B-Device
strip	O
built	O
into	O
the	O
top	O
of	O
the	O
keyboard	O
in	O
place	O
of	O
the	O
function	B-Application
keys	I-Application
.	O
</s>
<s>
The	O
models	O
also	O
introduced	O
a	O
"	O
second-generation	O
"	O
butterfly-mechanism	O
keyboard	O
whose	O
keys	O
have	O
more	O
travel	O
than	O
the	O
first	O
iteration	O
in	O
the	O
Retina	B-Device
MacBook	I-Device
.	O
</s>
<s>
The	O
13-inch	O
model	O
has	O
a	O
trackpad	B-Application
that	O
is	O
46%	O
larger	O
than	O
its	O
predecessor	O
while	O
the	O
15-inch	O
model	O
has	O
a	O
trackpad	B-Application
twice	O
as	O
large	O
as	O
the	O
previous	O
generation	O
.	O
</s>
<s>
All	O
ports	O
have	O
been	O
replaced	O
with	O
either	O
two	O
or	O
four	O
combination	O
Thunderbolt	B-Protocol
3	I-Protocol
ports	O
that	O
support	O
USB-C	O
3.1	O
Gen	O
2	O
and	O
dual	O
DisplayPort	B-Protocol
1.2	O
signals	O
,	O
any	O
of	O
which	O
can	O
be	O
used	O
for	O
charging	O
.	O
</s>
<s>
The	O
MacBook	B-Device
Pro	I-Device
is	O
incompatible	O
with	O
some	O
older	O
Thunderbolt	O
3-certified	O
peripherals	O
,	O
including	O
Intel	O
's	O
own	O
reference	O
design	O
for	O
Thunderbolt	B-Protocol
3	I-Protocol
devices	O
.	O
</s>
<s>
Furthermore	O
,	O
macOS	B-Application
on	O
MacBook	B-Device
Pro	I-Device
blacklists	O
(	O
prevents	O
from	O
working	O
)	O
certain	O
classes	O
of	O
Thunderbolt	O
3-compatible	O
devices	O
.	O
</s>
<s>
Support	O
for	O
Thunderbolt	B-Protocol
3	I-Protocol
external	O
graphics	B-Architecture
processing	I-Architecture
units	I-Architecture
(	O
eGPU	O
)	O
was	O
added	O
in	O
macOS	B-Operating_System
High	I-Operating_System
Sierra	I-Operating_System
10.13.4	O
.	O
</s>
<s>
Devices	O
using	O
HDMI	B-Protocol
,	O
previous-generation	O
Thunderbolt	B-Protocol
,	O
and	O
USB	B-Protocol
need	O
an	O
adapter	O
to	O
connect	O
to	O
the	O
MacBook	B-Device
Pro	I-Device
.	O
</s>
<s>
The	O
models	O
come	O
with	O
a	O
3.5	O
mm	O
headphone	B-Device
jack	I-Device
;	O
the	O
TOSLINK	B-Protocol
functionality	O
of	O
older-generation	O
MacBook	B-Device
Pro	I-Device
computers	O
has	O
been	O
removed	O
.	O
</s>
<s>
Other	O
updates	O
to	O
the	O
MacBook	B-Device
Pro	I-Device
include	O
dual	O
-	O
and	O
quad-core	B-Architecture
Intel	O
"	B-Architecture
Skylake	I-Architecture
"	I-Architecture
Core	B-Device
i5	I-Device
and	O
i7	B-Device
processors	B-General_Concept
,	O
improved	O
graphics	O
,	O
and	O
displays	O
that	O
offer	O
a	O
25%	O
wider	O
color	O
gamut	O
,	O
67%	O
more	O
brightness	O
,	O
and	O
67%	O
more	O
contrast	O
.	O
</s>
<s>
All	O
versions	O
can	O
output	O
to	O
a	O
5K	B-Device
display	B-Device
;	O
the	O
15-inch	O
models	O
can	O
drive	O
two	O
such	O
displays	O
.	O
</s>
<s>
The	O
base	O
13-inch	O
model	O
has	O
function	B-Application
keys	I-Application
instead	O
of	O
the	O
Touch	O
Bar	O
,	O
and	O
just	O
two	O
USB-C	O
ports	O
.	O
</s>
<s>
The	O
flash	O
storage	B-Device
in	O
the	O
Touch	O
Bar	O
models	O
is	O
soldered	O
to	O
the	O
logic	O
board	O
and	O
is	O
not	O
upgradeable	O
,	O
while	O
in	O
the	O
13-inch	O
model	O
without	O
Touch	O
Bar	O
,	O
it	O
is	O
removable	O
,	O
but	O
difficult	O
to	O
replace	O
,	O
as	O
it	O
is	O
a	O
proprietary	O
format	O
of	O
SSD	B-Device
storage	B-Device
.	O
</s>
<s>
On	O
June	O
5	O
,	O
2017	O
,	O
Apple	O
updated	O
the	O
line	O
with	O
Intel	B-Device
Kaby	I-Device
Lake	I-Device
processors	B-General_Concept
and	O
newer	O
graphics	O
cards	O
.	O
</s>
<s>
A	O
128GB	O
storage	B-Device
option	O
was	O
added	O
for	O
the	O
base	O
13-inch	O
model	O
,	O
down	O
from	O
the	O
base	O
256GB	O
storage	B-Device
.	O
</s>
<s>
On	O
July	O
12	O
,	O
2018	O
,	O
Apple	O
updated	O
the	O
Touch	O
Bar	O
models	O
with	O
Intel	O
Coffee	B-Device
Lake	I-Device
quad-core	B-Architecture
processors	I-Architecture
in	O
13-inch	O
models	O
and	O
six-core	O
processors	B-General_Concept
in	O
15-inch	O
models	O
,	O
updated	O
graphics	O
cards	O
,	O
third-generation	O
butterfly	O
keyboards	O
that	O
introduced	O
new	O
symbols	O
for	O
the	O
control	O
and	O
option	O
keys	O
,	O
Bluetooth	B-Protocol
5	O
,	O
T2	B-Device
SoC	I-Device
Chip	I-Device
,	O
True	O
Tone	O
display	B-Device
technology	I-Device
,	O
and	O
larger-capacity	O
batteries	O
.	O
</s>
<s>
The	O
15-inch	O
model	O
can	O
also	O
be	O
configured	O
with	O
up	O
to	O
4TB	O
of	O
storage	B-Device
,	O
32GB	O
of	O
DDR4	O
memory	B-Architecture
and	O
a	O
Core	B-Device
i9	I-Device
processor	B-General_Concept
.	O
</s>
<s>
On	O
May	O
21	O
,	O
2019	O
,	O
Apple	O
announced	O
updated	O
Touch	O
Bar	O
models	O
with	O
newer	O
processors	B-General_Concept
,	O
with	O
an	O
eight-core	O
Core	B-Device
i9	I-Device
standard	O
for	O
the	O
higher-end	O
15-inch	O
model	O
,	O
and	O
an	O
updated	O
keyboard	O
manufactured	O
with	O
"	O
new	O
materials	O
"	O
across	O
the	O
line	O
.	O
</s>
<s>
On	O
July	O
9	O
,	O
2019	O
,	O
Apple	O
updated	O
the	O
13-inch	O
model	O
with	O
two	O
Thunderbolt	B-Protocol
ports	I-Protocol
with	O
newer	O
quad-core	B-Architecture
eighth-generation	O
processors	B-General_Concept
and	O
Intel	B-Application
Iris	I-Application
Plus	I-Application
graphics	I-Application
,	O
True	O
Tone	O
display	B-Device
technology	I-Device
,	O
and	O
replaced	O
the	O
function	B-Application
keys	I-Application
with	O
the	O
Touch	O
Bar	O
.	O
</s>
<s>
macOS	B-Device
Catalina	I-Device
added	O
support	O
for	O
Dolby	O
Atmos	O
,	O
Dolby	B-Device
Vision	I-Device
,	O
and	O
HDR10	B-Device
on	O
2018	O
and	O
newer	O
models	O
.	O
</s>
<s>
macOS	B-Device
Catalina	I-Device
10.15.2	O
added	O
support	O
for	O
6016x3384	O
output	O
on	O
15-inch	O
2018	O
and	O
newer	O
models	O
to	O
run	O
the	O
Pro	B-Device
Display	I-Device
XDR	I-Device
at	O
full	O
resolution	O
.	O
</s>
<s>
The	O
2019	O
MacBook	B-Device
Pro	I-Device
was	O
the	O
final	O
model	O
that	O
could	O
run	O
macOS	B-Device
Mojave	I-Device
10.14	O
,	O
the	O
final	O
MacOS	B-Application
version	O
that	O
can	O
run	O
32-bit	O
applications	O
such	O
as	O
Adobe	O
Creative	O
Suite	O
6	O
or	O
Microsoft	B-Operating_System
Office	I-Operating_System
for	I-Operating_System
Mac	I-Operating_System
2011	I-Operating_System
.	O
</s>
<s>
The	O
Touch	O
Bar	O
MacBook	B-Device
Pro	I-Device
follows	O
the	O
design	O
of	O
the	O
Retina	O
models	O
,	O
with	O
an	O
all-metal	O
unibody	O
enclosure	O
and	O
separated	O
black	O
keys	O
.	O
</s>
<s>
A	O
few	O
of	O
the	O
apparent	O
design	O
changes	O
include	O
a	O
thinner	O
chassis	O
and	O
screen	O
bezel	O
,	O
a	O
larger	O
trackpad	B-Application
,	O
the	O
OLED	B-Device
Touch	O
Bar	O
,	O
and	O
the	O
shallower	O
butterfly-mechanism	O
keyboard	O
with	O
less	O
key	O
separation	O
than	O
the	O
previous	O
models	O
.	O
</s>
<s>
The	O
Touch	O
Bar	O
MacBook	B-Device
Pro	I-Device
comes	O
in	O
two	O
finishes	O
,	O
the	O
traditional	O
silver	O
color	O
and	O
a	O
darker	O
"	O
space	O
gray	O
"	O
color	O
.	O
</s>
<s>
The	O
MacBook	B-Device
Pro	I-Device
model	O
name	O
returns	O
to	O
the	O
bottom	O
of	O
the	O
screen	O
bezel	O
in	O
Apple	O
's	O
San	O
Francisco	O
font	O
after	O
being	O
absent	O
from	O
the	O
Retina	B-Device
MacBook	I-Device
Pro	I-Device
.	O
</s>
<s>
As	O
with	O
the	O
Retina	B-Device
MacBook	I-Device
,	O
the	O
new	O
models	O
replace	O
the	O
backlit	O
white	O
Apple	O
logo	O
on	O
the	O
rear	O
of	O
the	O
screen	O
,	O
a	O
feature	O
dating	O
back	O
to	O
the	O
1999	O
PowerBook	B-Device
G3	I-Device
,	O
with	O
a	O
glossy	B-General_Concept
metal	O
version	O
.	O
</s>
<s>
MagSafe	O
,	O
a	O
magnetic	O
charging	O
connector	O
,	O
has	O
been	O
replaced	O
with	O
USB-C	O
charging	O
.	O
</s>
<s>
Unlike	O
MagSafe	O
,	O
which	O
provided	O
an	O
indicator	O
light	O
within	O
the	O
user	O
's	O
field	O
of	O
view	O
to	O
indicate	O
the	O
device	O
's	O
charging	O
status	O
,	O
the	O
USB-C	O
charger	O
has	O
no	O
visual	O
indicator	O
.	O
</s>
<s>
Instead	O
,	O
the	O
MacBook	B-Device
Pro	I-Device
emits	O
a	O
chime	O
when	O
connected	O
to	O
power	O
.	O
</s>
<s>
The	O
Macintosh	B-Device
startup	O
chime	O
that	O
has	O
been	O
used	O
since	O
the	O
first	O
Macintosh	B-Device
in	O
1984	O
is	O
now	O
disabled	O
by	O
default	O
.	O
</s>
<s>
The	O
notebook	B-Device
now	O
boots	O
automatically	O
when	O
the	O
lid	O
is	O
opened	O
.	O
</s>
<s>
The	O
battery	O
life	O
of	O
the	O
new	O
models	O
also	O
got	O
a	O
mixed	O
reception	O
,	O
with	O
outlets	O
reporting	O
inconsistent	O
battery	O
life	O
and	O
inaccurate	O
estimates	O
of	O
time	O
remaining	O
on	O
battery	O
by	O
the	O
operating	B-Application
system	I-Application
.	O
</s>
<s>
After	O
the	O
latter	O
reports	O
,	O
Apple	O
used	O
a	O
macOS	B-Application
update	O
to	O
hide	O
the	O
display	B-Device
of	O
estimated	O
battery	O
time	O
.	O
</s>
<s>
Consumer	O
Reports	O
did	O
not	O
initially	O
recommend	O
the	O
2016	O
MacBook	B-Device
Pro	I-Device
models	O
,	O
citing	O
inconsistent	O
and	O
unpredictable	O
battery	O
life	O
in	O
its	O
lab	O
testing	O
(	O
which	O
involves	O
the	O
consecutive	O
loading	O
of	O
multiple	O
websites	O
)	O
.	O
</s>
<s>
However	O
,	O
Apple	O
and	O
Consumer	O
Reports	O
found	O
that	O
the	O
results	O
had	O
been	O
affected	O
by	O
a	O
bug	O
caused	O
by	O
disabling	O
caching	B-Protocol
in	O
Safari	B-Application
's	O
developer	O
tools	O
.	O
</s>
<s>
Consumer	O
Reports	O
performed	O
the	O
tests	O
again	O
with	O
a	O
patched	O
macOS	B-Application
,	O
and	O
retracted	O
its	O
original	O
assessment	O
.	O
</s>
<s>
iFixit	O
scored	O
the	O
models	O
1	O
out	O
of	O
10	B-Operating_System
for	O
repairability	O
,	O
noting	O
that	O
memory	B-Architecture
,	O
the	O
processor	B-General_Concept
,	O
and	O
flash	O
storage	B-Device
are	O
soldered	O
to	O
the	O
logic	O
board	O
,	O
while	O
the	O
battery	O
is	O
glued	O
to	O
the	O
case	O
.	O
</s>
<s>
The	O
entire	O
assembly	O
uses	O
proprietary	O
pentalobe	B-Operating_System
screws	I-Operating_System
and	O
cannot	O
be	O
disassembled	O
with	O
standard	O
tools	O
.	O
</s>
<s>
In	O
June	O
2018	O
,	O
Apple	O
announced	O
a	O
Service	O
Program	O
to	O
"	O
service	O
eligible	O
MacBook	B-Device
and	O
MacBook	B-Device
Pro	I-Device
keyboards	O
,	O
free	O
of	O
charge	O
"	O
.	O
</s>
<s>
As	O
of	O
early	O
2019	O
,	O
there	O
were	O
reports	O
of	O
problems	O
with	O
the	O
same	O
type	O
of	O
keyboards	O
in	O
the	O
2018	O
MacBook	B-Device
Air	I-Device
.	O
</s>
<s>
In	O
May	O
2019	O
,	O
Apple	O
modified	O
the	O
keyboard	O
for	O
the	O
fourth	O
time	O
and	O
promised	O
that	O
any	O
MacBook	B-Device
keyboard	O
with	O
butterfly	O
switches	O
would	O
be	O
repaired	O
or	O
replaced	O
free	O
of	O
charge	O
for	O
a	O
period	O
of	O
four	O
years	O
after	O
the	O
date	O
of	O
sale	O
.	O
</s>
<s>
PC	O
Magazine	O
said	O
"	O
the	O
Core	B-Device
i9	I-Device
processor	B-General_Concept
Apple	O
chose	O
to	O
use	O
inside	O
the	O
MacBook	B-Device
Pro	I-Device
(	O
i9-8950K	O
)	O
has	O
a	O
base	O
clock	O
frequency	O
of	O
2.9GHz	O
,	O
which	O
is	O
capable	O
of	O
bursting	O
up	O
to	O
4.8GHz	O
when	O
necessary	O
.	O
</s>
<s>
However	O
,	O
testing	O
carried	O
out	O
by	O
YouTuber	O
Dave	O
Lee	O
showed	O
that	O
the	O
Core	B-Device
i9	I-Device
could	O
n't	O
even	O
maintain	O
2.9GHz	O
,	O
let	O
alone	O
4.8GHz	O
.	O
</s>
<s>
Lee	O
found	O
the	O
2018	O
i9	B-Device
MacBook	B-Device
Pro	I-Device
was	O
slower	O
than	O
the	O
2017	O
MacBook	B-Device
Pro	I-Device
and	O
stated	O
,	O
"	O
This	O
is	O
n't	O
a	O
problem	O
with	O
Intel	O
's	O
Core	B-Device
i9	I-Device
,	O
it	O
's	O
Apple	O
's	O
thermal	O
solution.	O
"	O
</s>
<s>
When	O
Lee	O
put	O
the	O
i9	B-Device
MacBook	B-Device
Pro	I-Device
inside	O
a	O
freezer	O
,	O
the	O
render	O
times	O
were	O
over	O
30%	O
faster	O
.	O
</s>
<s>
On	O
July	O
24	O
,	O
2018	O
,	O
Apple	O
released	O
a	O
software	O
fix	O
for	O
the	O
new	O
2018	O
MacBook	B-Device
Pro	I-Device
computers	O
which	O
addressed	O
the	O
thermal	O
throttling	O
problem	O
.	O
</s>
<s>
Apple	O
said	O
"	O
there	O
is	O
a	O
missing	O
digital	O
key	O
in	O
the	O
firmware	O
that	O
impacts	O
the	O
thermal	O
management	O
system	O
and	O
could	O
drive	O
clock	O
speeds	O
down	O
under	O
heavy	O
thermal	O
loads	O
on	O
the	B-Device
new	I-Device
MacBook	I-Device
Pro	O
"	O
.	O
</s>
<s>
A	O
"	O
limited	O
number	O
"	O
of	O
13-inch	O
MacBook	B-Device
Pro	I-Device
units	O
without	O
Touch	O
Bar	O
,	O
manufactured	O
between	O
October	O
2016	O
and	O
October	O
2017	O
,	O
saw	O
the	O
built-in	O
battery	O
swell	O
.	O
</s>
<s>
A	O
"	O
limited	O
number	O
"	O
of	O
128	O
and	O
256GB	O
solid-state	B-Device
drives	I-Device
used	O
in	O
13-inch	O
MacBook	B-Device
Pro	I-Device
(	O
non-Touch	O
Bar	O
)	O
units	O
can	O
lose	O
data	O
and	O
fail	O
.	O
</s>
<s>
13-inch	O
MacBook	B-Device
Pro	I-Device
units	O
with	O
affected	O
drives	O
were	O
sold	O
between	O
June	O
2017	O
and	O
June	O
2018	O
.	O
</s>
<s>
Some	O
users	O
are	O
reporting	O
kernel	B-Operating_System
panics	I-Operating_System
on	O
2018	O
models	O
,	O
because	O
of	O
the	O
T2	O
chip	O
.	O
</s>
<s>
Users	O
have	O
reported	O
malfunctioning	O
display	B-Device
cables	O
,	O
causing	O
uneven	O
lighting	O
at	O
the	O
bottom	O
of	O
the	O
screen	O
and	O
ultimately	O
display	B-Device
failure	O
.	O
</s>
<s>
The	O
problem	O
has	O
been	O
tracked	O
to	O
a	O
cable	O
,	O
stressed	O
from	O
opening	O
and	O
closing	O
the	O
notebook	B-Device
.	O
</s>
<s>
The	O
entire	O
display	B-Device
needs	O
to	O
be	O
replaced	O
in	O
affected	O
units	O
.	O
</s>
<s>
In	O
May	O
2019	O
Apple	O
initiated	O
a	O
program	O
to	O
replace	O
the	O
display	B-Device
on	O
affected	O
13-inch	O
models	O
made	O
in	O
2016	O
for	O
free	O
,	O
and	O
the	O
cable	O
on	O
the	O
2018	O
models	O
and	O
onwards	O
was	O
made	O
2mm	O
longer	O
than	O
on	O
prior	O
models	O
,	O
thus	O
reducing	O
the	O
likelihood	O
of	O
display	B-Device
failure	O
.	O
</s>
<s>
The	O
Touch	O
Bar	O
MacBook	B-Device
Pro	I-Device
received	O
mixed	O
reviews	O
.	O
</s>
<s>
The	O
display	B-Device
,	O
build	O
quality	O
,	O
and	O
audio	O
quality	O
were	O
praised	O
but	O
many	O
complained	O
about	O
the	O
butterfly	O
keyboard	O
;	O
the	O
little-used	O
Touch	O
Bar	O
;	O
and	O
the	O
absence	O
of	O
USB-A	B-Protocol
ports	O
,	O
HDMI	B-Protocol
port	O
,	O
and	O
SD	B-Device
card	I-Device
slot	O
.	O
</s>
<s>
Ars	O
Technica	O
noted	O
that	O
the	O
second-generation	O
keyboard	O
with	O
firm	O
keys	O
was	O
a	O
"	O
drastic	O
departure	O
"	O
from	O
previous	O
Retina	B-Device
MacBook	I-Device
keyboards	O
.	O
</s>
<s>
It	O
further	O
noted	O
that	O
resting	O
palms	O
may	O
brush	O
the	O
trackpad	B-Application
occasionally	O
,	O
causing	O
inadvertent	O
cursor	O
jumps	O
onscreen	O
as	O
the	O
notebook	B-Device
interprets	O
this	O
as	O
input	O
,	O
without	O
one	O
's	O
hands	O
or	O
wrists	O
actually	O
resting	O
on	O
it	O
.	O
</s>
<s>
Bandwidth	O
increased	O
;	O
the	O
flash	O
storage	B-Device
was	O
about	O
40	O
percent	O
faster	O
.	O
</s>
<s>
Engadget	B-Application
praised	O
the	O
thinner	O
,	O
lighter	O
design	O
;	O
improved	O
display	B-Device
and	O
audio	O
;	O
and	O
increased	O
speed	O
of	O
the	O
graphics	O
and	O
flash	O
storage	B-Device
,	O
but	O
criticized	O
the	O
lack	O
of	O
ports	O
and	O
the	O
price	O
.	O
</s>
<s>
Wired	O
praised	O
the	O
display	B-Device
,	O
calling	O
it	O
"	O
the	O
best	O
laptop	B-Device
display	B-Device
I	O
've	O
ever	O
seen	O
"	O
,	O
as	O
well	O
as	O
praising	O
the	O
Touch	O
Bar	O
,	O
though	O
it	O
criticized	O
the	O
need	O
of	O
adapters	O
for	O
many	O
common	O
connectors	O
.	O
</s>
<s>
Engadget	B-Application
voiced	O
their	O
concerns	O
that	O
"	O
by	O
doing	O
things	O
like	O
removing	O
full-sized	O
USB	B-Protocol
ports	I-Protocol
,	O
the	O
memory	B-Architecture
card	O
reader	O
and	O
even	O
the	O
Function	O
row	O
,	O
Apple	O
seems	O
to	O
have	O
forgotten	O
how	O
many	O
of	O
us	O
actually	O
work	O
"	O
.	O
</s>
<s>
Even	O
if	O
Apple	O
makes	O
the	O
Touch	O
Bar	O
an	O
integral	O
part	O
of	O
macOS	B-Application
,	O
it	O
will	O
take	O
"	O
many	O
years	O
"	O
for	O
it	O
to	O
become	O
ubiquitous	O
,	O
in	O
the	O
meantime	O
,	O
anything	O
in	O
the	O
Bar	O
needs	O
to	O
be	O
available	O
through	O
another	O
part	O
of	O
the	O
interface	O
.	O
</s>
<s>
Also	O
criticized	O
were	O
non-compatibility	O
between	O
Thunderbolt	B-Protocol
2	I-Protocol
and	O
3	O
devices	O
.	O
</s>
<s>
Some	O
found	O
unpleasant	O
the	O
fan	O
whine	O
on	O
the	O
15	O
"	O
model	O
,	O
where	O
the	O
two	O
integrated	O
fans	O
run	O
all	O
the	O
time	O
by	O
default	O
,	O
thanks	O
to	O
the	O
coprocessor	B-General_Concept
powering	O
the	O
Touch	O
Bar	O
and	O
higher	O
TDP	B-General_Concept
of	O
the	O
stronger	O
CPU	B-Device
models	O
.	O
</s>
<s>
In	O
2016	O
and	O
2017	O
,	O
the	O
Touch	O
Bar	O
caused	O
concern	O
among	O
American	O
state	O
bars	O
that	O
the	O
predictive	B-General_Concept
text	I-General_Concept
could	O
be	O
used	O
to	O
cheat	O
on	O
bar	O
exams	O
.	O
</s>
<s>
The	O
responses	O
varied	O
state	O
by	O
state	O
:	O
New	O
York	O
State	O
Bar	O
Association	O
banned	O
the	O
use	O
of	O
the	O
MacBook	B-Device
Pro	I-Device
on	O
bar	O
exams	O
;	O
while	O
North	O
Carolina	O
Bar	O
Association	O
allowed	O
students	O
to	O
take	O
the	O
state	O
bar	O
exam	O
with	O
the	O
computer	O
once	O
a	O
proctor	O
verified	O
that	O
the	O
predictive	B-General_Concept
text	I-General_Concept
feature	O
had	O
been	O
disabled	O
.	O
</s>
<s>
Model	O
2016	O
13-inch	O
,	O
Two	O
Thunderbolt	B-Protocol
3	O
ports	O
2016	O
13-inch	O
,	O
Four	O
Thunderbolt	B-Protocol
3	O
ports	O
2016	O
15-inch	O
2017	O
13-inch	O
,	O
Two	O
Thunderbolt	B-Protocol
3	O
ports	O
2017	O
13-inch	O
,	O
Four	O
Thunderbolt	B-Protocol
3	O
ports	O
2017	O
15-inch	O
2018	O
13-inch	O
,	O
Four	O
Thunderbolt	B-Protocol
3	O
ports	O
2018	O
15-inch	O
2019	O
13-inch	O
,	O
Two	O
Thunderbolt	B-Protocol
3	O
ports	O
;	O
2019	O
13-inch	O
,	O
Four	O
Thunderbolt	B-Protocol
3	O
ports	O
2019	O
15-inch	O
Component	O
/	O
processor	B-General_Concept
model	O
Skylake	B-Architecture
Intel	B-Device
Core	I-Device
Kaby	B-Device
Lake	I-Device
Intel	B-Device
Core	I-Device
Coffee	B-Device
Lake	I-Device
Intel	B-Device
Core	I-Device
Timetable	O
Released	O
October	O
27	O
,	O
2016	O
November	O
12	O
,	O
2016	O
June	O
5	O
,	O
2017	O
July	O
12	O
,	O
2018	O
July	O
9	O
,	O
2019	O
May	O
21	O
,	O
2019	O
Discontinued	O
June	O
5	O
,	O
2017	O
July	O
9	O
,	O
2019	O
July	O
12	O
,	O
2018	O
May	O
21	O
,	O
2019	O
May	O
4	O
,	O
2020	O
November	O
13	O
,	O
2019	O
Unsupported	O
Support	O
ending	O
Supported	O
Model	O
Model	O
number	O
A1708	O
A1706	O
A1707	O
A1708	O
A1706	O
A1707	O
A1989	O
A1990	O
A2159	O
A1989	O
A1990	O
Model	O
identifier	O
MacBookPro13	O
,	O
1	O
MacBookPro13	O
,	O
2	O
MacBookPro13	O
,	O
3	O
MacBookPro14	O
,	O
1	O
MacBookPro14	O
,	O
2	O
MacBookPro14	O
,	O
3	O
MacBookPro15	O
,	O
2	O
MacBookPro15	O
,	O
1	O
MacBookPro15	O
,	O
4	O
MacBookPro15	O
,	O
2	O
MacBookPro15	O
,	O
1	O
Apple	O
order	O
number	O
(	O
Space	O
Gray	O
)	O
MLL42	O
MLH12	O
MNQF2	O
MLH32	O
MLH42	O
MPXQ2	O
MPXT2	O
MPXV2	O
MPXW2	O
MPTR2	O
MPTT2	O
MR9Q2	O
MR9R2	O
MR932	O
MR942	O
MUHN2	O
MV962	O
MV972	O
MV902	O
MV912	O
Apple	O
order	O
number	O
(	O
Silver	O
)	O
MLUQ2	O
MLVP2	O
MNQG2	O
MLW72	O
MLW82	O
;	O
MPXR2	O
MPXU2	O
MPXX2	O
MPXY2	O
MPTU2	O
MPTV2	O
;	O
MR9U2	O
MR9V2	O
MR962	O
MR972	O
MUHQ2	O
MV992	O
MV9A2	O
MV922	O
MV932	O
;	O
Display	B-Device
Size	O
13.3	O
"	O
,	O
(	O
)	O
,	O
227	O
ppi	B-Algorithm
15.4	O
"	O
,	O
(	O
)	O
,	O
220	O
ppi	B-Algorithm
13.3	O
"	O
,	O
(	O
)	O
,	O
227	O
ppi	B-Algorithm
15.4	O
"	O
,	O
(	O
)	O
,	O
220	O
ppi	B-Algorithm
13.3	O
"	O
,	O
(	O
)	O
,	O
227	O
ppi	B-Algorithm
15.4	O
"	O
,	O
(	O
)	O
,	O
220	O
ppi	B-Algorithm
13.3	O
"	O
,	O
(	O
)	O
,	O
227	O
ppi	B-Algorithm
15.4	O
"	O
,	O
(	O
)	O
,	O
220	O
ppi	B-Algorithm
Type	O
LED-backlit	O
widescreen	O
glossy	B-General_Concept
Retina	B-Operating_System
Display	I-Operating_System
wide	O
color	O
gamut	O
(	O
P3	O
)	O
,	O
500	O
cd/m	O
,	O
True	O
Tone	O
display	B-Device
Video	O
camera	O
720p	O
FaceTime	B-Protocol
HD	I-Protocol
camera	I-Protocol
Performance	O
Processor	B-General_Concept
2.0	O
GHz	O
2-core	O
Intel	B-Device
Core	I-Device
i5	I-Device
Skylake	B-Architecture
(	O
6360U	O
)	O
,	O
up	O
to	O
3.1	O
GHz	O
,	O
4	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.9	O
GHz	O
2-core	O
Intel	B-Device
Core	I-Device
i5	I-Device
Skylake	B-Architecture
(	O
6267U	O
)	O
,	O
up	O
to	O
3.3	O
GHz	O
,	O
4	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.6	O
GHz	O
4-core	O
Intel	B-Device
Core	I-Device
i7	I-Device
Skylake	B-Architecture
(	O
6700HQ	O
)	O
,	O
up	O
to	O
3.5	O
GHz	O
,	O
6	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.7	O
GHz	O
4-core	O
Intel	B-Device
Core	I-Device
i7	I-Device
Skylake	B-Architecture
(	O
6820HQ	O
)	O
,	O
up	O
to	O
3.6	O
GHz	O
,	O
8	B-Application
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.3	O
GHz	O
2-core	O
Intel	B-Device
Core	I-Device
i5	I-Device
Kaby	B-Device
Lake	I-Device
(	O
7360U	O
)	O
,	O
up	O
to	O
3.6	O
GHz	O
,	O
4	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
3.1	O
GHz	O
2-core	O
Intel	B-Device
Core	I-Device
i5	I-Device
Kaby	B-Device
Lake	I-Device
(	O
7267U	O
)	O
,	O
up	O
to	O
3.5	O
GHz	O
,	O
4	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.8	O
GHz	O
4-core	O
Intel	B-Device
Core	I-Device
i7	I-Device
Kaby	B-Device
Lake	I-Device
(	O
7700HQ	O
)	O
,	O
up	O
to	O
3.8	O
GHz	O
,	O
6	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.9	O
GHz	O
4-core	O
Intel	B-Device
Core	I-Device
i7	I-Device
Kaby	B-Device
Lake	I-Device
(	O
7820HQ	O
)	O
,	O
up	O
to	O
3.9	O
GHz	O
,	O
8	B-Application
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.3	O
GHz	O
4-core	O
Intel	B-Device
Core	I-Device
i5	I-Device
Coffee	B-Device
Lake	I-Device
(	O
8259U	O
)	O
,	O
up	O
to	O
3.8	O
GHz	O
,	O
6	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.2	O
GHz	O
6-core	O
Intel	B-Device
Core	I-Device
i7	I-Device
Coffee	B-Device
Lake	I-Device
(	O
8750H	O
)	O
,	O
up	O
to	O
4.1	O
GHz	O
,	O
9	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.6	O
GHz	O
6-core	O
Intel	B-Device
Core	I-Device
i7	I-Device
Coffee	B-Device
Lake	I-Device
(	O
8850H	O
)	O
,	O
up	O
to	O
4.3	O
GHz	O
,	O
9	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
1.4	O
GHz	O
4-core	O
Intel	B-Device
Core	I-Device
i5	I-Device
Coffee	B-Device
Lake	I-Device
(	O
8257U	O
)	O
,	O
up	O
to	O
3.9	O
GHz	O
,	O
8	B-Application
MB	O
L3	B-General_Concept
cache	I-General_Concept
,	O
128	O
MB	O
eDRAM	O
2.4	O
GHz	O
4-core	O
Intel	B-Device
Core	I-Device
i5	I-Device
Coffee	B-Device
Lake	I-Device
(	O
8279U	O
)	O
,	O
up	O
to	O
4.1	O
GHz	O
,	O
6	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
,	O
128	O
MB	O
eDRAM	O
2.6	O
GHz	O
6-core	O
Intel	B-Device
Core	I-Device
i7	I-Device
Coffee	B-Device
Lake	I-Device
(	O
9750H	O
)	O
,	O
up	O
to	O
4.5	O
GHz	O
,	O
12	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.3	O
GHz	O
8-core	O
Intel	B-Device
Core	I-Device
i9	I-Device
(	O
9880H	O
)	O
Coffee	B-Device
Lake	I-Device
,	O
up	O
to	O
4.8	O
GHz	O
,	O
16	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
Optional	O
System	O
bus	O
4	O
GT/s	O
OPI	B-Architecture
(	O
On-package	O
DMI	B-Architecture
3.0	I-Architecture
interconnect	O
interface	O
)	O
(	O
max	O
.	O
</s>
<s>
Apple	O
unveiled	O
the	O
fifth	O
revision	O
of	O
the	O
Touch	O
Bar	O
13-inch	O
MacBook	B-Device
Pro	I-Device
in	O
2020	O
and	O
the	O
16-inch	O
MacBook	B-Device
Pro	I-Device
on	O
November	O
13	O
,	O
2019	O
,	O
replacing	O
the	O
15-inch	O
model	O
.	O
</s>
<s>
Similar	O
in	O
size	O
to	O
the	O
15-inch	O
model	O
,	O
it	O
has	O
a	O
larger	O
16-inch	O
3072x1920	O
Retina	B-Operating_System
display	I-Operating_System
set	O
in	O
a	O
narrower	O
bezel	O
,	O
the	O
largest	O
MacBook	B-Device
screen	O
since	O
the	O
17-inch	O
unibody	O
MacBook	B-Device
Pro	I-Device
that	O
was	O
discontinued	O
in	O
2012	O
.	O
</s>
<s>
It	O
has	O
a	O
physical	O
Escape	B-Device
key	I-Device
,	O
a	O
Touch	O
Bar	O
,	O
and	O
a	O
now-separate	O
sapphire-glass-covered	O
Touch	O
ID	O
sensor	O
at	O
the	O
right	O
end	O
of	O
the	O
Touch	O
Bar	O
that	O
doubles	O
as	O
a	O
power	O
button	O
.	O
</s>
<s>
It	O
uses	O
a	O
scissor	O
mechanism	O
keyboard	O
almost	O
identical	O
to	O
Apple	O
's	O
wireless	O
Magic	B-Device
Keyboard	I-Device
,	O
providing	O
more	O
travel	O
than	O
the	O
previous	O
revision	O
's	O
"	O
Butterfly	O
"	O
keyboard	O
.	O
</s>
<s>
Like	O
its	O
predecessor	O
,	O
the	O
16-inch	O
MacBook	B-Device
Pro	I-Device
has	O
four	O
combined	O
Thunderbolt	B-Protocol
3	I-Protocol
ports	O
that	O
support	O
USB-C	O
3.1	O
Gen	O
2	O
and	O
dual	O
DisplayPort	B-Protocol
1.4	O
signals	O
,	O
providing	O
6016×3384	O
output	O
to	O
run	O
the	O
Pro	B-Device
Display	I-Device
XDR	I-Device
at	O
full	O
resolution	O
.	O
</s>
<s>
Any	O
port	O
can	O
be	O
used	O
for	O
charging	O
,	O
it	O
includes	O
a	O
96W	O
USB-C	O
power	O
adapter	O
.	O
</s>
<s>
At	O
launch	O
only	O
the	O
included	O
adapter	O
and	O
the	O
Pro	B-Device
Display	I-Device
XDR	I-Device
provide	O
full	O
host	O
power	O
.	O
</s>
<s>
It	O
also	O
has	O
a	O
3.5	O
mm	O
headphone	B-Device
jack	I-Device
.	O
</s>
<s>
It	O
uses	O
the	O
same	O
Coffee	B-Device
Lake	I-Device
CPUs	B-Device
as	O
the	O
2019	O
15-inch	O
model	O
.	O
</s>
<s>
Purchasers	O
can	O
choose	O
between	O
AMD	O
Radeon	O
Pro	O
5300M	O
or	O
5500M	O
GPUs	B-Architecture
with	O
up	O
to	O
8GB	O
of	O
GDDR6	O
memory	B-Architecture
(	O
or	O
from	O
June	O
2020	O
onwards	O
,	O
a	O
5600M	O
GPU	B-Architecture
with	O
8GB	O
of	O
HBM2	O
memory	B-Architecture
)	O
,	O
up	O
to	O
64GB	O
of	O
2667MHz	O
DDR4	O
memory	B-Architecture
,	O
and	O
up	O
to	O
8	B-Application
TB	O
of	O
SSD	B-Device
storage	B-Device
.	O
</s>
<s>
On	O
May	O
4	O
,	O
2020	O
,	O
Apple	O
announced	O
an	O
updated	O
13-inch	O
model	O
with	O
the	O
Magic	B-Device
Keyboard	I-Device
.	O
</s>
<s>
The	O
four	O
Thunderbolt	B-Protocol
port	I-Protocol
version	O
comes	O
with	O
Ice	B-Device
Lake	I-Device
processors	B-General_Concept
,	O
updated	O
graphics	O
,	O
up	O
to	O
32GB	O
of	O
memory	B-Architecture
and	O
4TB	O
of	O
storage	B-Device
,	O
and	O
supports	O
6K	O
output	O
to	O
run	O
the	O
Pro	B-Device
Display	I-Device
XDR	I-Device
.	O
</s>
<s>
The	O
two	O
Thunderbolt	B-Protocol
port	I-Protocol
version	O
has	O
the	O
same	O
Coffee	B-Device
Lake	I-Device
processors	B-General_Concept
,	O
graphics	O
,	O
and	O
maximum	O
storage	B-Device
and	O
memory	B-Architecture
as	O
the	O
2019	O
two	O
Thunderbolt	B-Protocol
port	I-Protocol
models	O
.	O
</s>
<s>
Reception	O
to	O
the	O
16-inch	O
MacBook	B-Device
Pro	I-Device
was	O
generally	O
positive	O
.	O
</s>
<s>
The	O
Verge	O
praised	O
the	O
new	O
keyboard	O
,	O
microphones	O
,	O
and	O
speakers	O
,	O
but	O
criticized	O
the	O
lack	O
of	O
peripherals	O
such	O
as	O
an	O
SD	B-Device
card	I-Device
slot	O
.	O
</s>
<s>
9to5Mac	O
criticized	O
the	O
use	O
of	O
a	O
720p	O
webcam	B-Protocol
and	O
older	O
802.11ac	O
Wi-Fi	O
standard	O
,	O
noting	O
that	O
Apple	O
's	O
iPhone	B-Operating_System
11	I-Operating_System
family	O
included	O
a	O
4K	B-Architecture
front-facing	O
camera	O
and	O
faster	O
Wi-Fi	O
6	O
.	O
</s>
<s>
Another	O
review	O
noted	O
that	O
the	O
2020	O
two	O
Thunderbolt	B-Protocol
port	I-Protocol
13-inch	O
model	O
is	O
unable	O
to	O
run	O
Apple	O
's	O
Pro	B-Device
Display	I-Device
XDR	I-Device
at	O
full	O
resolution	O
,	O
while	O
the	O
lower-priced	O
2020	O
MacBook	B-Device
Air	I-Device
can	O
.	O
</s>
<s>
There	O
are	O
numerous	O
reports	O
of	O
cracked	O
screens	O
caused	O
by	O
closing	O
the	O
unit	O
with	O
a	O
third-party	O
physical	O
webcam	B-Protocol
cover	O
due	O
to	O
reduced	O
clearance	O
compared	O
to	O
previous	O
models	O
.	O
</s>
<s>
Model	O
201916-inch	O
202013-inch	O
(	O
2	O
Thunderbolt	B-Protocol
3	I-Protocol
ports	O
)	O
202013-inch	O
(	O
4	O
Thunderbolt	B-Protocol
3	I-Protocol
ports	O
)	O
Component	O
/	O
Processor	B-General_Concept
Coffee	B-Device
Lake	I-Device
Ice	B-Device
Lake	I-Device
Timetable	O
Released	O
November	O
13	O
,	O
2019	O
May	O
4	O
,	O
2020	O
Discontinued	O
October	O
18	O
,	O
2021	O
November	O
10	B-Operating_System
,	O
2020	O
October	O
18	O
,	O
2021	O
Unsupported	O
Supported	O
Model	O
numbers	O
Model	O
identifier(s )	O
MacBookPro16	O
,	O
1	O
(	O
A2141	O
)	O
MacBookPro16	O
,	O
3	O
(	O
A2289	O
)	O
MacBookPro16	O
,	O
2	O
(	O
A2251	O
)	O
Order	O
number	O
(	O
Space	O
Gray	O
)	O
MVVJ2	O
MVVK2	O
MXK72	O
MXK52	O
MWP42	O
MWP52	O
Order	O
number	O
(	O
Silver	O
)	O
MVVL2	O
MVVM2	O
MXK62	O
MXK32	O
MWP72	O
MWP82	O
Display	B-Device
Resolution	O
(	O
)	O
,	O
226	O
ppi	B-Algorithm
(	O
16	O
"	O
)	O
(	O
)	O
,	O
227	O
ppi	B-Algorithm
(	O
13.3	O
"	O
)	O
Format	O
LED-backlit	O
widescreen	O
glossy	B-General_Concept
Retina	B-Operating_System
Display	I-Operating_System
with	O
wide	O
color	O
gamut	O
(	O
P3	O
)	O
,	O
500	O
cd/m	O
Video	O
camera	O
720p	O
FaceTime	B-Protocol
HD	I-Protocol
camera	I-Protocol
Processor	B-General_Concept
Standard	O
2.6	O
GHz	O
6-core	O
Intel	B-Device
Core	I-Device
i7	I-Device
(	O
9750H	O
)	O
Coffee	B-Device
Lake	I-Device
,	O
up	O
to	O
4.5	O
GHz	O
,	O
12	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
2.3	O
GHz	O
8-core	O
Intel	B-Device
Core	I-Device
i9	I-Device
(	O
9880H	O
)	O
Coffee	B-Device
Lake	I-Device
,	O
up	O
to	O
4.8	O
GHz	O
,	O
16	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
1.4	O
GHz	O
4-core	O
Intel	B-Device
Core	I-Device
i5	I-Device
(	O
8257U	O
)	O
Coffee	B-Device
Lake	I-Device
,	O
up	O
to	O
3.9	O
GHz	O
2.0	O
GHz	O
4-core	O
Intel	B-Device
Core	I-Device
i5	I-Device
(	O
1038NG7	O
)	O
Ice	B-Device
Lake	I-Device
,	O
up	O
to	O
3.8	O
GHz	O
,	O
with	O
6	O
MB	O
L3	B-General_Concept
cache	I-General_Concept
Optional	O
System	O
bus	O
8	B-Application
GT/s	O
DMI	B-Architecture
3.0	I-Architecture
(	O
max	O
.	O
</s>
<s>
The	O
macOS	B-Application
operating	B-Application
system	I-Application
has	O
been	O
pre-installed	O
on	O
all	O
MacBook	B-Device
Pro	I-Device
computers	O
since	O
release	O
,	O
starting	O
with	O
version	O
10.4.4	O
(	O
Tiger	O
)	O
.	O
</s>
<s>
Along	O
with	O
OS	O
X	O
,	O
iLife	B-Application
has	O
also	O
shipped	O
with	O
all	O
systems	O
,	O
beginning	O
with	O
iLife	B-Application
'	I-Application
06	I-Application
.	O
</s>
<s>
The	O
Intel-based	O
MacBook	B-Device
Pro	I-Device
comes	O
with	O
the	O
successor	O
to	O
BIOS	B-Operating_System
,	O
Extensible	B-Architecture
Firmware	I-Architecture
Interface	I-Architecture
(	O
EFI	O
)	O
1.1	O
.	O
</s>
<s>
EFI	O
handles	O
booting	B-Operating_System
differently	O
from	O
BIOS-based	O
computers	O
,	O
but	O
provides	O
backwards	O
compatibility	O
,	O
allowing	O
dual	O
-	O
and	O
triple-boot	O
configurations	O
.	O
</s>
<s>
In	O
addition	O
to	O
OS	O
X	O
,	O
the	O
Microsoft	B-Application
Windows	I-Application
operating	I-Application
system	I-Application
is	O
installable	O
on	O
Intel	O
x86-based	O
Apple	O
computers	O
.	O
</s>
<s>
Officially	O
,	O
this	O
is	O
limited	O
to	O
32-bit	O
versions	O
of	O
Windows	B-Application
XP	I-Application
,	O
Vista	B-Application
,	O
and	O
7	B-Device
,	O
and	O
64-bit	O
versions	O
of	O
Windows	B-Application
Vista	I-Application
,	O
7	B-Device
,	O
8	B-Application
,	O
8.1	B-Device
,	O
and	O
10	B-Operating_System
with	O
the	O
necessary	O
hardware	O
drivers	O
included	O
with	O
the	O
Boot	B-Application
Camp	I-Application
software	O
.	O
</s>
<s>
Other	O
x86	O
operating	O
systems	O
such	O
as	O
Linux	B-Application
are	O
also	O
unofficially	O
supported	O
.	O
</s>
<s>
This	O
is	O
made	O
possible	O
by	O
the	O
presence	O
of	O
the	O
Intel	O
architecture	O
as	O
provided	O
by	O
the	O
CPU	B-Device
and	O
the	O
BIOS	B-Operating_System
emulation	O
Apple	O
has	O
provided	O
on	O
top	O
of	O
EFI	O
.	O
</s>
<s>
macOS	B-Operating_System
Big	I-Operating_System
Sur	I-Operating_System
,	O
the	O
seventeenth	O
major	O
release	O
of	O
macOS	B-Application
,	O
will	O
work	O
with	O
Wi-Fi	O
and	O
graphics	B-Architecture
acceleration	I-Architecture
on	O
unsupported	O
MacBook	B-Device
Pro	I-Device
computers	O
with	O
a	O
compatible	O
patch	O
utility	O
.	O
</s>
