<s>
The	O
Nvidia	B-Application
Shield	I-Application
TV	I-Application
(	O
Shield	B-Application
Android	I-Application
TV	I-Application
or	O
just	O
Nvidia	B-Application
Shield	I-Application
)	O
is	O
an	O
Android	B-Application
TV-based	O
digital	B-Application
media	I-Application
player	I-Application
produced	O
by	O
Nvidia	O
as	O
part	O
of	O
its	O
Shield	O
brand	O
of	O
Android	B-Application
devices	O
.	O
</s>
<s>
First	O
released	O
in	O
May	O
2015	O
,	O
the	O
Shield	O
was	O
initially	O
marketed	O
by	O
Nvidia	O
as	O
a	O
microconsole	B-Device
,	O
emphasizing	O
its	O
ability	O
to	O
play	O
downloaded	O
games	O
and	O
stream	B-Application
games	O
from	O
a	O
compatible	O
PC	O
on	O
a	O
local	O
network	O
,	O
or	O
via	O
the	O
GeForce	O
Now	O
subscription	O
service	O
.	O
</s>
<s>
As	O
with	O
all	O
other	O
Android	B-Application
TV	I-Application
devices	O
,	O
it	O
can	O
also	O
stream	B-Application
content	O
from	O
various	O
sources	O
using	O
apps	O
,	O
and	O
also	O
supports	O
4K	B-Architecture
resolution	I-Architecture
video	O
.	O
</s>
<s>
It	O
is	O
produced	O
in	O
two	O
models	O
,	O
with	O
the	O
second	O
Shield	B-Application
TV	I-Application
Pro	O
model	O
distinguished	O
primarily	O
by	O
increased	O
internal	O
storage	O
.	O
</s>
<s>
In	O
2019	O
,	O
Nvidia	O
refreshed	O
the	O
Shield	B-Application
TV	I-Application
lineup	O
with	O
upgraded	O
processors	O
,	O
and	O
revised	O
the	O
base	O
model	O
with	O
a	O
smaller	O
form	O
factor	O
and	O
less	O
internal	O
storage	O
.	O
</s>
<s>
The	O
Shield	O
utilizes	O
Nvidia	O
's	O
Tegra	O
X1	O
system-on-chip	O
,	O
based	O
on	O
the	O
ARM	O
Cortex-A57	O
CPU	O
and	O
Nvidia	O
's	O
Maxwell	B-General_Concept
microarchitecture	I-General_Concept
GPU	O
,	O
with	O
3GB	O
of	O
RAM	O
.	O
</s>
<s>
The	O
device	O
supports	O
4K	B-Architecture
resolution	I-Architecture
output	O
at	O
60FPS	O
over	O
an	O
HDMI	O
2.0	O
output	O
,	O
with	O
support	O
for	O
HEVC-encoded	O
video	O
.	O
</s>
<s>
The	O
Shield	O
can	O
either	O
contain	O
16GB	O
of	O
internal	O
flash	B-Device
storage	I-Device
or	O
a	O
500GB	O
hard	O
drive	O
,	O
expandable	O
via	O
microSD	O
card	O
or	O
removable	O
storage	O
.	O
</s>
<s>
2015	O
and	O
2017	O
Shield	O
models	O
with	O
a	O
500GB	O
hard	O
drive	O
are	O
branded	O
as	O
Shield	B-Application
Pro	I-Application
.	O
</s>
<s>
The	O
Shield	O
runs	O
Android	B-Application
TV	I-Application
;	O
games	O
optimized	O
and	O
ported	O
for	O
the	O
device	O
are	O
offered	O
through	O
a	O
separate	O
Shield	O
Store	O
app	O
.	O
</s>
<s>
The	O
device	O
can	O
also	O
stream	B-Application
games	O
through	O
Nvidia	O
's	O
on-demand	O
subscription	O
cloud	B-Application
gaming	I-Application
service	I-Application
,	O
GeForce	O
Now	O
(	O
formerly	O
Nvidia	O
GRID	O
)	O
,	O
and	O
from	O
a	O
local	O
computer	O
using	O
the	O
GameStream	O
function	O
of	O
supported	O
Nvidia	O
graphics	O
cards	O
via	O
the	O
GeForce	O
Experience	O
application	O
.	O
</s>
<s>
In	O
addition	O
to	O
native	O
Android	B-Application
gaming	O
and	O
game	O
streaming	O
,	O
retro	O
gaming	O
emulation	O
is	O
popular	O
on	O
the	O
Nvidia	B-Application
Shield	I-Application
TV	I-Application
.	O
</s>
<s>
On	O
January	O
16	O
,	O
2017	O
,	O
Nvidia	O
announced	O
Shield	O
Experience	O
Upgrade	O
5.0	O
,	O
which	O
is	O
based	O
on	O
Android	B-Application
7.0	I-Application
"	I-Application
Nougat	I-Application
"	I-Application
.	O
</s>
<s>
It	O
adds	O
software	O
features	O
from	O
the	O
updated	O
2017	O
model	O
,	O
including	O
HDR	B-Application
support	O
for	O
4K	B-Architecture
video	I-Architecture
,	O
new	O
apps	O
(	O
including	O
Amazon	B-Application
Video	I-Application
)	O
,	O
SmartThings	B-Application
integration	O
,	O
Google	B-Application
Assistant	I-Application
support	O
,	O
and	O
a	O
new	O
Nvidia	O
Games	O
interface	O
.	O
</s>
<s>
Google	B-Application
Assistant	I-Application
support	O
requires	O
a	O
new	O
iteration	O
of	O
the	O
Shield	O
Controller	O
.	O
</s>
<s>
In	O
June	O
2018	O
,	O
Nvidia	O
released	O
an	O
update	O
to	O
Android	B-Application
8.0	I-Application
"	I-Application
Oreo	I-Application
"	I-Application
.	O
</s>
<s>
On	O
June	O
23	O
2021	O
,	O
an	O
update	O
of	O
Android	B-Application
TV	I-Application
to	O
Google	O
TV	O
made	O
Google	B-Application
Stadia	I-Application
available	O
for	O
the	O
2019	O
versions	O
of	O
Nvidia	B-Application
Shield	I-Application
TV	I-Application
and	O
Nvidia	B-Application
Shield	I-Application
TV	I-Application
Pro	O
.	O
</s>
<s>
Nvidia	O
continues	O
to	O
market	O
the	O
larger	O
,	O
500GB	O
Shield	B-Application
Pro	I-Application
model	O
.	O
</s>
<s>
On	O
October	O
28	O
,	O
2019	O
,	O
Nvidia	O
unveiled	O
two	O
new	O
Shield	B-Application
TV	I-Application
models	O
.	O
</s>
<s>
Both	O
models	O
use	O
the	O
Tegra	O
X1+	O
system-on-chip	O
,	O
ship	O
with	O
Android	B-Application
9.0	I-Application
"	I-Application
Pie	I-Application
"	I-Application
,	O
support	O
Dolby	O
Atmos	O
and	O
Dolby	B-Device
Vision	I-Device
,	O
and	O
include	O
an	O
updated	O
remote	O
control	O
,	O
and	O
a	O
new	O
"	O
AI-enhanced	O
"	O
upscaling	O
system	O
that	O
can	O
upscale	O
high-definition	O
video	O
to	O
4K	B-Architecture
resolution	I-Architecture
.	O
</s>
<s>
The	O
new	O
base	O
model	O
uses	O
a	O
cylindrical	O
form	O
factor	O
rather	O
than	O
a	O
set-top	O
box	O
style	O
,	O
and	O
has	O
2GB	O
of	O
RAM	O
and	O
8GB	O
of	O
flash	B-Device
storage	I-Device
,	O
expandable	O
via	O
MicroSD	O
card	O
(	O
in	O
place	O
of	O
USB	O
ports	O
)	O
.	O
</s>
<s>
The	O
Shield	B-Application
TV	I-Application
Pro	O
uses	O
the	O
same	O
set-top	O
box	O
form	O
factor	O
as	O
the	O
previous	O
model	O
,	O
and	O
includes	O
3GB	O
of	O
RAM	O
,	O
16GB	O
of	O
flash	B-Device
storage	I-Device
,	O
and	O
two	O
full-size	O
USB	O
3.0	O
ports	O
.	O
</s>
