<s>
CFexpress	B-Device
is	O
a	O
standard	O
for	O
removable	O
media	B-Device
cards	I-Device
proposed	O
by	O
the	O
CompactFlash	B-Device
Association	I-Device
(	O
CFA	O
)	O
.	O
</s>
<s>
The	O
standard	O
uses	O
the	O
NVM	B-Application
Express	I-Application
protocol	O
over	O
an	O
PCIe	O
3.0	O
interface	O
with	O
1	O
to	O
4	O
lanes	O
where	O
1	O
GB/s	O
data	O
can	O
be	O
provided	O
per	O
lane	O
.	O
</s>
<s>
One	O
of	O
the	O
goals	O
is	O
to	O
unify	O
the	O
ecosystem	O
of	O
removable	O
storage	O
by	O
being	O
compatible	O
with	O
standards	O
already	O
widely	O
adopted	O
,	O
such	O
as	O
PCIe	O
and	O
NVMe	B-Application
.	O
</s>
<s>
On	O
7	O
September	O
2016	O
,	O
the	O
CompactFlash	B-Device
Association	I-Device
announced	O
CFexpress	B-Device
.	O
</s>
<s>
The	O
specification	O
would	O
be	O
based	O
on	O
the	O
PCI	O
Express	O
interface	O
and	O
NVM	B-Application
Express	I-Application
protocol	O
.	O
</s>
<s>
On	O
18	O
April	O
2017	O
the	O
CompactFlash	B-Device
Association	I-Device
published	O
the	O
CFexpress	B-Device
1.0	O
specification	O
.	O
</s>
<s>
Version	O
1.0	O
will	O
use	O
the	O
XQD	B-Device
form-factor	O
(	O
38.5mm	O
×	O
29.8mm	O
×	O
3.8mm	O
)	O
with	O
two	O
PCIe	O
3.0	O
lanes	O
for	O
speeds	O
up	O
to	O
2	O
GB/s	O
.	O
</s>
<s>
NVMe	B-Application
1.2	O
is	O
used	O
for	O
low-latency	O
access	O
,	O
low	O
overhead	O
and	O
highly	O
parallel	O
access	O
.	O
</s>
<s>
On	O
13	O
June	O
2017	O
,	O
Delkin	O
introduced	O
the	O
first	O
CFexpress	B-Device
cards	O
based	O
on	O
the	O
CFexpress	B-Device
1.0	O
specification	O
.	O
</s>
<s>
The	O
CFexpress	B-Device
2.0	O
standard	O
was	O
announced	O
on	O
28	O
February	O
2019	O
.	O
</s>
<s>
The	O
NVM	B-Application
Express	I-Application
protocol	O
was	O
upgraded	O
to	O
1.3	O
.	O
</s>
<s>
CFexpress	B-Device
2.0	O
type	O
B	O
Gen4	O
Cards	O
are	O
basically	O
already	O
available	O
in	O
the	O
form	O
of	O
the	O
Seagate	O
Storage	O
Expansion	O
Card	O
for	O
Xbox	O
Series	O
X|S	O
,	O
which	O
are	O
mechanically	O
incompatible	O
to	O
most	O
slots	O
because	O
of	O
their	O
lengthened	O
housing	O
.	O
</s>
<s>
CFexpress	B-Device
supports	O
the	O
following	O
card	O
sizes	O
.	O
</s>
<s>
Form	O
factor	O
B	O
has	O
the	O
same	O
size	O
and	O
contacts	O
as	O
an	O
XQD	B-Device
card	I-Device
,	O
allowing	O
a	O
single	O
card	O
slot	O
to	O
accept	O
both	O
XQD	B-Device
and	O
CFexpress-B	O
cards	O
.	O
</s>
<s>
On	O
13	O
June	O
2017	O
,	O
Delkin	O
introduced	O
the	O
first	O
CFexpress	B-Device
cards	O
,	O
which	O
were	O
on	O
the	O
CFexpress	B-Device
1.0	O
specification	O
.	O
</s>
<s>
The	O
cards	O
have	O
a	O
XQD	B-Device
form	O
factor	O
and	O
use	O
two	O
PCIe	O
3.0	O
lanes	O
.	O
</s>
<s>
More	O
details	O
on	O
Delkin	O
's	O
CFexpress	B-Device
cards	O
were	O
revealed	O
in	O
February	O
2018	O
.	O
</s>
<s>
Delkin	O
's	O
512	O
GB	O
Power	O
CFexpress	B-Device
Type	O
B	O
card	O
was	O
reviewed	O
along	O
with	O
several	O
others	O
in	O
the	O
early	O
fall	O
of	O
2020	O
.	O
</s>
<s>
The	O
article	O
mentioned	O
a	O
firmware	O
upgrade	O
to	O
address	O
compatibility	O
with	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
R5	I-Algorithm
camera	O
in	O
late	O
September	O
2020	O
.	O
</s>
<s>
ProGrade	O
Digital	O
announced	O
it	O
would	O
begin	O
production	O
and	O
sale	O
of	O
CFexpress	B-Device
cards	O
in	O
2018	O
with	O
the	O
Type-B	O
form-factor	O
(	O
the	O
same	O
as	O
XQD	B-Device
)	O
.	O
</s>
<s>
The	O
1	O
TB	O
CFexpress	B-Device
card	O
that	O
ProGrade	O
Digital	O
showed	O
at	O
the	O
Spring	O
NAB	O
show	O
in	O
2018	O
demonstrated	O
1,400	O
Mbit/s	O
(	O
Mbyte/sec	O
?	O
</s>
<s>
This	O
demonstration	O
was	O
performed	O
using	O
a	O
Thunderbolt	O
3	O
CFexpress/XQD	O
reader	O
on	O
a	O
MacBook	O
Pro	O
computer	O
.	O
</s>
<s>
On	O
11	O
December	O
2018	O
,	O
Apacer	O
announced	O
its	O
first	O
CFexpress	B-Device
card	O
,	O
the	O
PV130-CFX	O
.	O
</s>
<s>
On	O
7	O
April	O
2019	O
,	O
Wise	O
Advanced	O
announced	O
it	O
was	O
producing	O
CFexpress	B-Device
cards	O
with	O
512GB	O
,	O
256GB	O
,	O
and	O
128GB	O
capacities	O
,	O
as	O
well	O
as	O
a	O
CFexpress	B-Device
Card	O
Reader	O
,	O
all	O
using	O
CFexpress	B-Device
Type	O
B	O
.	O
</s>
<s>
On	O
October	O
2	O
,	O
2017	O
,	O
Rego	O
Electronics	O
announced	O
CFexpress	B-Device
host	O
connectors	O
and	O
card	O
cardkits	O
,	O
parts	O
that	O
manufacturers	O
can	O
use	O
for	O
their	O
CFexpress	B-Device
devices	O
and	O
cards	O
.	O
</s>
<s>
As	O
of	O
October	O
2017	O
,	O
there	O
were	O
no	O
CFexpress	B-Device
client	O
devices	O
released	O
.	O
</s>
<s>
However	O
,	O
in	O
late	O
October	O
2017	O
a	O
Lexar	O
employee	O
stated	O
to	O
Nikon	B-Algorithm
Rumors:CFExpress	O
is	O
essentially	O
the	O
next	O
revision	O
of	O
XQD	B-Device
,	O
and	O
there	O
should	O
be	O
full	O
backward	O
compatibility	O
with	O
XQD	B-Device
,	O
and	O
that	O
getting	O
D4/D5/500/D850	O
’	O
s	O
to	O
work	O
with	O
CFE	O
cards	O
should	O
be	O
a	O
simple	O
software	O
patch	O
.	O
</s>
<s>
On	O
23	O
August	O
2018	O
,	O
Nikon	B-Algorithm
announced	O
their	O
new	O
mirrorless	B-Device
cameras	I-Device
,	O
the	O
Z6	B-Algorithm
and	O
Z7	B-Algorithm
.	O
</s>
<s>
At	O
launch	O
they	O
only	O
supported	O
XQD	B-Device
cards	I-Device
,	O
but	O
a	O
later	O
firmware	O
update	O
enabled	O
support	O
for	O
CFexpress	B-Device
.	O
</s>
<s>
On	O
13	O
February	O
2019	O
,	O
Nikon	B-Algorithm
further	O
confirmed	O
that	O
CFexpress	B-Device
support	O
via	O
a	O
firmware	O
update	O
will	O
also	O
be	O
coming	O
to	O
the	O
D5	O
,	O
D850	O
and	O
D500	O
.	O
</s>
<s>
On	O
16	O
December	O
2019	O
,	O
Nikon	B-Algorithm
released	O
firmware	O
version	O
2.20	O
for	O
the	O
Z6	B-Algorithm
and	O
Z7	B-Algorithm
,	O
adding	O
support	O
for	O
CFExpress	B-Device
.	O
</s>
<s>
In	O
December	O
2020	O
,	O
Nikon	B-Algorithm
released	O
firmware	O
version	O
1.20	O
for	O
the	O
Nikon	B-Algorithm
D850	O
DSLR	O
that	O
added	O
support	O
from	O
CFexpress-B	O
in	O
the	O
camera	O
's	O
XQD	B-Device
slot	O
.	O
</s>
<s>
Like	O
the	O
Nikon	B-Algorithm
cameras	O
,	O
future	O
support	O
for	O
CFexpress	B-Device
was	O
added	O
in	O
a	O
later	O
firmware	O
update	O
.	O
</s>
<s>
On	O
24	O
October	O
2019	O
,	O
Canon	O
announced	O
the	O
development	O
of	O
the	O
EOS-1D	B-Algorithm
X	I-Algorithm
Mark	I-Algorithm
III	I-Algorithm
with	O
dual	O
CFexpress	B-Device
slots	O
.	O
</s>
<s>
On	O
12	O
February	O
2020	O
,	O
Nikon	B-Algorithm
announced	O
the	O
Nikon	B-Algorithm
D6	I-Algorithm
,	O
which	O
uses	O
dual	O
CFexpress	B-Device
slots	O
.	O
</s>
<s>
On	O
20	O
April	O
2020	O
,	O
Canon	O
announced	O
that	O
the	O
EOS	B-Algorithm
R5	I-Algorithm
,	O
a	O
hybrid	O
mirrorless	B-Device
camera	I-Device
,	O
will	O
support	O
CFexpress	B-Device
and	O
SD	O
UHS-II	O
.	O
</s>
<s>
On	O
28	O
July	O
2020	O
,	O
Sony	O
announced	O
the	O
α7S	O
III	O
,	O
a	O
mirrorless	B-Device
camera	I-Device
that	O
will	O
support	O
dual	O
CFexpress	B-Device
Type	O
A	O
and	O
SD	O
cards	O
.	O
</s>
<s>
On	O
26	O
January	O
2021	O
,	O
Sony	O
announced	O
the	O
α	O
1	O
,	O
a	O
mirrorless	B-Device
camera	I-Device
that	O
will	O
support	O
dual	O
CFexpress	B-Device
Type	O
A	O
and	O
SD	O
cards	O
.	O
</s>
<s>
On	O
23	O
February	O
2021	O
,	O
Sony	O
announced	O
the	O
FX3	O
,	O
a	O
mirrorless	B-Device
camera	I-Device
that	O
will	O
support	O
dual	O
CFexpress	B-Device
Type	O
A	O
and	O
SD	O
cards	O
.	O
</s>
<s>
On	O
November	O
10	O
,	O
2020	O
,	O
Microsoft	O
launched	O
the	O
Xbox	B-Device
Series	I-Device
X	I-Device
and	I-Device
Series	I-Device
S	I-Device
with	O
a	O
slot	O
for	O
semi-proprietary	O
Expansion	O
Cards	O
based	O
on	O
a	O
CFexpress	B-Device
Type	O
B	O
form	O
factor	O
.	O
</s>
<s>
On	O
21	O
October	O
2021	O
,	O
Sony	O
announced	O
the	O
α7	O
IV	O
,	O
a	O
mirrorless	B-Device
camera	I-Device
that	O
will	O
support	O
single	O
CFexpress	B-Device
Type	O
A	O
and	O
SD	O
cards	O
.	O
</s>
<s>
On	O
28	O
October	O
2021	O
,	O
Nikon	B-Algorithm
announced	O
the	O
Nikon	B-Algorithm
Z	I-Algorithm
9	I-Algorithm
flagship	O
mirrorless	B-Device
camera	I-Device
,	O
which	O
uses	O
dual	O
CFexpress	B-Device
Type	O
B	O
slots	O
.	O
</s>
