<s>
The	O
XQD	B-Device
card	I-Device
is	O
a	O
memory	B-Device
card	I-Device
format	O
primarily	O
developed	O
for	O
flash	B-Device
memory	I-Device
cards	I-Device
.	O
</s>
<s>
The	O
format	O
is	O
targeted	O
at	O
high-definition	O
camcorders	O
and	O
high-resolution	O
digital	B-Device
cameras	I-Device
.	O
</s>
<s>
The	O
cards	O
are	O
not	O
backward	O
compatible	O
with	O
CompactFlash	B-Device
or	O
CFast	O
cards	O
,	O
and	O
despite	O
the	O
name	O
similarity	O
,	O
has	O
no	O
connection	O
with	O
the	O
xD-Picture	O
Card	O
.	O
</s>
<s>
XQD	B-Device
and	O
CFast	O
were	O
both	O
designed	O
as	O
a	O
replacement	O
of	O
the	O
1994	O
CompactFlash	B-Device
standard	O
.	O
</s>
<s>
The	O
format	O
was	O
first	O
announced	O
in	O
November	O
2010	O
by	O
SanDisk	O
,	O
Sony	O
and	O
Nikon	B-Algorithm
,	O
and	O
was	O
immediately	O
picked	O
up	O
by	O
the	O
CompactFlash	B-Device
Association	I-Device
for	O
development	O
.	O
</s>
<s>
XQD	B-Device
version	O
2.0	O
was	O
announced	O
in	O
June	O
2012	O
,	O
featuring	O
support	O
for	O
PCI	O
Express	O
3.0	O
with	O
transfer	O
rates	O
up	O
to	O
8Gbit/s	O
(	O
1GB/s	O
)	O
.	O
</s>
<s>
On	O
7	O
September	O
2016	O
the	O
CFA	O
announced	O
the	O
successor	O
of	O
XQD	B-Device
,	O
CFexpress	B-Device
.	O
</s>
<s>
In	O
January	O
2012	O
,	O
the	O
first	O
XQD	B-Device
card	I-Device
was	O
announced	O
by	O
Sony	O
,	O
declaring	O
a	O
1Gbit/s	O
read	O
and	O
write	O
speed	O
.	O
</s>
<s>
In	O
July	O
2012	O
,	O
Lexar	O
(	O
owned	O
at	O
the	O
time	O
by	O
Micron	O
)	O
announced	O
plans	O
to	O
support	O
the	O
XQD	B-Device
format	O
.	O
</s>
<s>
As	O
of	O
2012	O
,	O
SanDisk	O
and	O
Kingston	O
had	O
not	O
announced	O
plans	O
to	O
produce	O
XQD	B-Device
cards	I-Device
.	O
</s>
<s>
In	O
addition	O
to	O
Sony	O
,	O
as	O
of	O
August	O
2018	O
,	O
Nikon	B-Algorithm
and	O
Delkin	O
are	O
also	O
manufacturing	O
XQD	B-Device
cards	I-Device
.	O
</s>
<s>
In	O
late	O
2018	O
,	O
Lexar	O
–	O
by	O
then	O
under	O
new	O
ownership	O
–	O
announced	O
that	O
it	O
would	O
discontinue	O
support	O
for	O
the	O
XQD	B-Device
format	O
in	O
favour	O
of	O
CFexpress	B-Device
,	O
citing	O
problems	O
with	O
control	O
,	O
licensing	O
and	O
product	O
availability	O
.	O
</s>
<s>
Sony	O
has	O
said	O
their	O
broadcast	O
camcorders	O
(	O
XDCAM	O
and	O
XDCAM	O
EX	O
)	O
will	O
support	O
the	O
XQD	B-Device
cards	I-Device
.	O
</s>
<s>
For	O
their	O
broadcast	O
products	O
the	O
XQD	B-Device
card	I-Device
will	O
be	O
classified	O
as	O
a	O
secondary	O
media	O
as	O
XQD	B-Device
is	O
based	O
around	O
consumer	O
technology	O
.	O
</s>
<s>
On	O
4	O
September	O
2013	O
,	O
Sony	O
released	O
the	O
PXW-Z100	O
,	O
a	O
4K	B-Architecture
prosumer	O
camera	O
that	O
records	O
onto	O
XQD	B-Device
cards	I-Device
.	O
</s>
<s>
Nikon	B-Algorithm
supports	O
XQD	B-Device
cards	I-Device
in	O
its	O
newer	O
high-end	O
DSLR	O
and	O
mirrorless	B-Device
cameras	I-Device
:	O
Nikon	B-Algorithm
D4	I-Algorithm
,	O
Nikon	B-Algorithm
D4s	I-Algorithm
,	O
Nikon	B-Algorithm
D5	I-Algorithm
,	O
Nikon	B-Algorithm
D6	I-Algorithm
,	O
Nikon	B-Algorithm
D850	I-Algorithm
,	O
Nikon	B-Algorithm
D500	I-Algorithm
and	O
Nikon	B-Algorithm
Z6	I-Algorithm
&	O
Nikon	B-Algorithm
Z7	I-Algorithm
.	O
</s>
<s>
Phase	O
One	O
XF	O
IQ4	O
camera	O
system	O
(	O
three	O
bodies	O
)	O
supports	O
XQD	B-Device
cards	I-Device
.	O
</s>
