<s>
The	O
ThinkPad	B-Operating_System
E	I-Operating_System
Series	I-Operating_System
(	O
formerly	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
)	O
is	O
a	O
notebook	B-Device
computer	I-Device
series	O
introduced	O
in	O
2010	O
by	O
Lenovo	O
.	O
</s>
<s>
The	O
Edge	O
series	O
of	O
ThinkPad	B-Operating_System
computers	O
was	O
introduced	O
at	O
the	O
2010	O
International	O
CES	O
in	O
Las	O
Vegas	O
and	O
became	O
available	O
for	O
sale	O
in	O
April	O
of	O
the	O
same	O
year	O
.	O
</s>
<s>
For	O
the	O
Thinkpad	B-Operating_System
Edge	I-Operating_System
13	O
,	O
a	O
review	O
on	O
the	O
Engadget	B-Application
web	O
site	O
said	O
that	O
even	O
though	O
,	O
"	O
it	O
may	O
not	O
carry	O
the	O
premium	O
features	O
of	O
[	O
Lenovo	O
Thinkpad ]	O
X301	O
...	O
,	O
but	O
for	O
a	O
budget	O
ultraportable	B-Device
...	O
[	O
there	O
is ]	O
little	O
to	O
complain	O
about.	O
"	O
</s>
<s>
Engadget	B-Application
also	O
tested	O
the	O
battery	O
life	O
of	O
the	O
Edge	O
13	O
and	O
discovered	O
that	O
"	O
Lenovo	O
's	O
battery	O
life	O
prediction	O
of	O
seven	O
hours	O
is	O
pretty	O
on	O
the	O
mark.	O
"	O
</s>
<s>
Laptop	B-Device
Magazine	O
reviewed	O
the	O
Thinkpad	B-Operating_System
Edge	I-Operating_System
14	O
and	O
found	O
it	O
was	O
"	O
the	O
most	O
compelling	O
14-inch	O
small	O
business	O
notebook	B-Device
on	O
the	O
market	O
today.	O
"	O
</s>
<s>
NotebookReview	O
reviewed	O
the	O
Thinkpad	B-Operating_System
Edge	I-Operating_System
15	O
and	O
said	O
that	O
its	O
"	O
build	O
quality	O
seems	O
to	O
be	O
a	O
step	O
down	O
from	O
the	O
13	O
and	O
14	O
inch.	O
"	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
series	O
uses	O
processors	O
from	O
both	O
AMD	O
and	O
Intel	O
.	O
</s>
<s>
Intel	O
processors	O
used	O
include	O
the	O
Core	O
2	O
Duo	O
,	O
Core	B-Device
i3	I-Device
,	O
Core	B-Device
i5	I-Device
and	O
Core	B-Device
i7	I-Device
.	O
</s>
<s>
Voice	B-Application
Over	I-Application
IP	I-Application
(	O
VoIP	B-Application
)	O
features	O
including	O
high	O
resolution	O
cameras	O
and	O
an	O
HD	O
LED	O
screen	O
are	O
also	O
included	O
.	O
</s>
<s>
The	O
laptops	B-Device
came	O
in	O
three	O
colors	O
:	O
Midnight	O
Black	O
(	O
Smooth	O
)	O
,	O
Midnight	O
Black	O
(	O
Gloss	O
)	O
,	O
and	O
Heatwave	O
Red	O
(	O
Gloss	O
)	O
.	O
</s>
<s>
Lenovo	O
designed	O
the	O
laptops	B-Device
to	O
"	O
reflect	O
a	O
new	O
progressive	O
and	O
strikingly	O
clean	O
appearance	O
while	O
retaining	O
ThinkPad	B-Operating_System
durability	O
and	O
reliability	O
"	O
.	O
</s>
<s>
For	O
example	O
,	O
along	O
with	O
the	O
new	O
Island-style	B-Device
keyboard	I-Device
,	O
the	O
Edge	O
series	O
had	O
some	O
keyboard	O
design	O
changes	O
:	O
uniform	O
black	O
keys	O
and	O
the	O
removal	O
of	O
the	O
embedded	O
number	O
pad	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
11	O
laptop	B-Device
was	O
not	O
released	O
in	O
the	O
United	O
States	O
,	O
with	O
the	O
X100e	O
serving	O
as	O
an	O
11-inch	O
laptop	B-Device
solution	O
in	O
the	O
US	O
.	O
</s>
<s>
The	O
laptop	B-Device
was	O
1.1	O
inches	O
thick	O
and	O
weighed	O
3.3lbs	O
.	O
</s>
<s>
Like	O
other	O
laptops	B-Device
in	O
the	O
series	O
,	O
the	O
Edge	O
11	O
was	O
made	O
available	O
in	O
glossy	O
black	O
,	O
matte	O
black	O
and	O
glossy	O
red	O
.	O
</s>
<s>
Despite	O
the	O
low	O
starting	O
price	O
,	O
the	O
Edge	O
11	O
laptop	B-Device
included	O
some	O
of	O
the	O
traditional	O
ThinkPad	B-Operating_System
durability	O
features	O
,	O
including	O
solid	O
metal	O
hinges	O
.	O
</s>
<s>
The	O
battery	O
life	O
was	O
better	O
than	O
both	O
the	O
IdeaPad	O
U160	O
and	O
the	O
ThinkPad	B-Operating_System
X100e	O
laptops	B-Device
.	O
</s>
<s>
A	O
special	O
edition	O
laptop	B-Device
was	O
provided	O
for	O
Australian	O
Year	O
9	O
students	O
as	O
part	O
of	O
the	O
Digital	O
Education	O
Revolution	O
(	O
DER	O
)	O
program	O
in	O
2011	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
13	O
laptop	B-Device
was	O
released	O
on	O
January	O
5	O
,	O
2010	O
.	O
</s>
<s>
The	O
Edge	O
13	O
laptop	B-Device
was	O
capable	O
of	O
handling	O
Windows	B-Device
7	I-Device
Pro	O
with	O
ease	O
,	O
with	O
multiple	O
applications	O
like	O
Firefox	O
,	O
Microsoft	O
Word	O
2007	O
,	O
GIMP	O
,	O
TweetDeck	O
,	O
and	O
iTunes	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
It	O
did	O
not	O
feature	O
Intel	O
’s	O
Arrandale	O
platform	O
on	O
release	O
,	O
and	O
was	O
launched	O
with	O
an	O
older	O
generation	O
CULV	O
processor	B-General_Concept
.	O
</s>
<s>
The	O
laptop	B-Device
delivered	O
6	O
hours	O
and	O
58	O
minutes	O
of	O
battery	O
life	O
in	O
MobileMark	O
2007	O
tests	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
14	O
and	O
15	O
laptops	B-Device
were	O
both	O
launched	O
on	O
March	O
22	O
,	O
2010	O
.	O
</s>
<s>
A	O
web	O
review	O
noted	O
build	O
quality	O
above	O
average	O
,	O
yet	O
not	O
the	O
same	O
as	O
professional	O
grade	O
ThinkPad	B-Operating_System
laptops	B-Device
.	O
</s>
<s>
While	O
the	O
Edge	O
14	O
laptop	B-Device
did	O
not	O
have	O
a	O
roll	O
cage	O
,	O
it	O
was	O
still	O
durable	O
,	O
with	O
no	O
flex	O
on	O
the	O
palm	O
rest	O
,	O
keyboard	O
and	O
touchpad	O
.	O
</s>
<s>
The	O
Edge	O
15	O
laptop	B-Device
was	O
noted	O
for	O
having	O
the	O
same	O
features	O
as	O
the	O
smaller	O
laptops	B-Device
in	O
the	O
series	O
,	O
with	O
lower	O
build	O
quality	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
E220s	O
and	O
E420s	O
were	O
released	O
in	O
Spring	O
2011	O
,	O
as	O
an	O
updated	O
,	O
"	O
more	O
premium	O
"	O
line	O
of	O
the	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
.	O
</s>
<s>
These	O
newer	O
series	O
are	O
significantly	O
thinner	O
,	O
and	O
include	O
more	O
of	O
the	O
traditional	O
ThinkPad	B-Operating_System
line	O
of	O
features	O
such	O
as	O
the	O
integrated	O
720p	O
web-cam	O
.	O
</s>
<s>
Both	O
the	O
E220s	O
and	O
E420s	O
can	O
be	O
configured	O
with	O
up	O
to	O
an	O
Intel	B-Device
Core	I-Device
i7	I-Device
processor	B-General_Concept
,	O
which	O
offers	O
a	O
higher	O
level	O
of	O
performance	O
than	O
other	O
notebooks	B-Device
of	O
this	O
size	O
category	O
.	O
</s>
<s>
Many	O
design	O
aspects	O
of	O
the	O
E220s	O
line	O
have	O
been	O
seen	O
in	O
the	O
recently	O
unveiled	O
ThinkPad	B-Operating_System
X1	O
,	O
including	O
the	O
keyboard	O
and	O
touchpad	O
design	O
.	O
</s>
<s>
Dedicated	O
keys	O
for	O
controlling	O
audio	O
and	O
video	O
functions	O
,	O
Dolby	O
Advanced	O
Audio	O
rated	O
speakers	O
,	O
and	O
an	O
optional	O
720p	O
camera	O
were	O
added	O
to	O
improve	O
the	O
experience	O
for	O
users	O
of	O
VOIP	B-Application
.	O
</s>
<s>
Like	O
the	O
parallel	O
T-series	B-Device
models	O
(	O
T440/T540	O
)	O
,	O
Gen4	O
E-series	O
do	O
not	O
have	O
a	O
touchpad	O
\trackpoint	O
physical	O
buttons	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
E440	O
was	O
released	O
in	O
2013	O
,	O
as	O
an	O
update	O
to	O
the	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
430	O
.	O
</s>
<s>
The	O
new	O
E440	O
includes	O
new	O
Intel	O
4th	O
Gen	O
Haswell	B-Device
Processors	O
and	O
1920x1080	O
FHD	O
Screen	O
options	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
E540	O
was	O
released	O
in	O
2013	O
,	O
as	O
an	O
update	O
to	O
the	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
530	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
E545	O
was	O
released	O
in	O
2013	O
,	O
as	O
an	O
update	O
to	O
the	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
535	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
E450	O
was	O
released	O
in	O
2015	O
,	O
as	O
an	O
update	O
to	O
the	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
440	O
.	O
</s>
<s>
The	O
new	O
E450	O
includes	O
new	O
Intel	O
5th	O
Gen	O
Broadwell	B-General_Concept
low	O
power	O
processors	O
,	O
1920x1080	O
FHD	O
Screen	O
options	O
,	O
and	O
new	O
AMD	O
R7	O
Mobile	O
Dedicated	O
Graphics	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
E455	O
was	O
released	O
in	O
2015	O
,	O
as	O
a	O
new	O
14	O
"	O
ThinkPad	B-Operating_System
with	O
AMD	O
Mobile	O
APU	O
Processors	O
.	O
</s>
<s>
The	O
new	O
E455	O
includes	O
new	O
AMD	O
Kaveri	B-Application
Processors	O
,	O
1920x1080	O
FHD	O
Screen	O
options	O
,	O
and	O
new	O
AMD	O
Graphics	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
E550	O
was	O
released	O
in	O
2015	O
,	O
as	O
an	O
update	O
to	O
the	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
540	O
.	O
</s>
<s>
The	O
new	O
E550	O
includes	O
new	O
Intel	O
5th	O
Gen	O
Broadwell	B-General_Concept
low	O
power	O
processors	O
,	O
1920x1080	O
FHD	O
Screen	O
options	O
,	O
and	O
new	O
AMD	O
R7	O
Mobile	O
Dedicated	O
Graphics	O
.	O
</s>
<s>
The	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
E555	O
was	O
released	O
in	O
2015	O
,	O
as	O
an	O
update	O
to	O
the	O
ThinkPad	B-Operating_System
Edge	I-Operating_System
545	O
.	O
</s>
<s>
The	O
new	O
E555	O
includes	O
new	O
AMD	O
Kaveri	B-Application
Processors	O
,	O
1920x1080	O
FHD	O
Screen	O
options	O
,	O
and	O
new	O
AMD	O
Graphics	O
.	O
</s>
<s>
The	O
E460	O
and	O
E465	O
have	O
a	O
14-inch	O
display	O
and	O
optionally	O
come	O
with	O
a	O
Windows	B-Device
7	I-Device
(	O
Pro	O
)	O
or	O
Windows	B-Operating_System
10	I-Operating_System
64-bit	O
system	O
.	O
</s>
<s>
The	O
E460	O
uses	O
Intel	B-Architecture
Skylake	I-Architecture
(	O
6th	O
Generation	O
)	O
processors	O
.	O
</s>
<s>
The	O
E465	O
is	O
similar	O
to	O
the	O
E460	O
but	O
it	O
uses	O
an	O
AMD	O
processor	B-General_Concept
.	O
</s>
<s>
The	O
E560	O
and	O
E565	O
have	O
a	O
15.6-inch	O
display	O
and	O
optionally	O
come	O
with	O
a	O
Windows	B-Device
7	I-Device
(	O
Pro	O
)	O
or	O
Windows	B-Operating_System
10	I-Operating_System
64-bit	O
system	O
.	O
</s>
<s>
The	O
E560	O
uses	O
Intel	B-Architecture
Skylake	I-Architecture
(	O
6th	O
Generation	O
)	O
processors	O
.	O
</s>
<s>
The	O
E565	O
is	O
similar	O
to	O
the	O
E560	O
but	O
it	O
uses	O
an	O
AMD	O
processor	B-General_Concept
.	O
</s>
<s>
The	O
E470	O
and	O
E475	O
have	O
a	O
14-inch	O
display	O
and	O
optionally	O
come	O
with	O
a	O
Windows	B-Operating_System
10	I-Operating_System
64-bit	O
system	O
.	O
</s>
<s>
The	O
E470	O
uses	O
Intel	B-Device
Kaby	I-Device
Lake	I-Device
(	O
7th	O
Generation	O
)	O
processors	O
.	O
</s>
<s>
The	O
E475	O
is	O
similar	O
to	O
the	O
E470	O
but	O
it	O
uses	O
an	O
AMD	O
processor	B-General_Concept
.	O
</s>
<s>
The	O
E570	O
and	O
E575	O
have	O
a	O
15.6-inch	O
display	O
and	O
optionally	O
come	O
with	O
a	O
Windows	B-Operating_System
10	I-Operating_System
64-bit	O
system	O
.	O
</s>
<s>
The	O
E575	O
is	O
similar	O
to	O
the	O
E570	O
but	O
it	O
uses	O
an	O
AMD	O
processor	B-General_Concept
.	O
</s>
<s>
The	O
E480	O
and	O
E485	O
have	O
a	O
14-inch	O
display	O
and	O
optionally	O
come	O
with	O
a	O
Windows	B-Operating_System
10	I-Operating_System
64-bit	O
system	O
.	O
</s>
<s>
USB	O
type-C	O
is	O
used	O
for	O
charging	O
for	O
the	O
first	O
time	O
in	O
the	O
ThinkPad	B-Operating_System
E	I-Operating_System
series	I-Operating_System
.	O
</s>
<s>
The	O
E485	O
is	O
similar	O
to	O
the	O
E480	O
but	O
it	O
uses	O
an	O
AMD	O
Ryzen	O
processor	B-General_Concept
.	O
</s>
<s>
The	O
E585	O
is	O
similar	O
to	O
the	O
E580	O
but	O
it	O
uses	O
an	O
AMD	O
Ryzen	O
processor	B-General_Concept
.	O
</s>
<s>
The	O
E490	O
,	O
E490s	O
and	O
E495	O
have	O
a	O
14-inch	O
display	O
and	O
optionally	O
come	O
with	O
a	O
Windows	B-Operating_System
10	I-Operating_System
64-bit	O
system	O
.	O
</s>
<s>
The	O
E495	O
is	O
similar	O
to	O
the	O
E490	O
but	O
it	O
uses	O
3rd	O
gen	O
AMD	O
Ryzen	O
processor	B-General_Concept
.	O
</s>
<s>
The	O
E590	O
and	O
E595	O
have	O
a	O
15.6-inch	O
display	O
and	O
optionally	O
come	O
with	O
a	O
Windows	B-Operating_System
10	I-Operating_System
64-bit	O
system	O
.	O
</s>
<s>
The	O
E595	O
is	O
similar	O
to	O
the	O
E590	O
but	O
it	O
uses	O
an	O
AMD	O
Ryzen	O
processor	B-General_Concept
.	O
</s>
<s>
The	O
E14	O
has	O
a	O
14.0-inch	O
display	O
and	O
optionally	O
come	O
with	O
a	O
Windows	B-Operating_System
10	I-Operating_System
Home	O
or	O
Pro	O
64-bit	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
The	O
E15	O
has	O
a	O
15.6-inch	O
display	O
and	O
optionally	O
come	O
with	O
a	O
Windows	B-Operating_System
10	I-Operating_System
Home	O
or	O
Pro	O
64-bit	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
