<s>
The	O
Nvidia	B-General_Concept
Quadro	I-General_Concept
Plex	I-General_Concept
is	O
an	O
external	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
Visual	O
Computing	O
System	O
)	O
designed	O
for	O
large-scale	O
3D	O
visualizations	O
.	O
</s>
<s>
The	O
system	O
consists	O
of	O
a	O
box	O
containing	O
a	O
pair	O
of	O
high-end	O
Nvidia	B-Application
Quadro	I-Application
graphics	B-Device
cards	I-Device
featuring	O
a	O
variety	O
of	O
external	O
video	O
connectors	O
.	O
</s>
<s>
A	O
special	O
PCI	O
Express	O
card	O
is	O
installed	O
in	O
the	O
host	O
computer	O
,	O
and	O
the	O
two	O
are	O
connected	O
by	O
VHDCI	B-Protocol
cables	O
.	O
</s>
<s>
The	O
Nvidia	B-General_Concept
Quadro	I-General_Concept
Plex	I-General_Concept
system	O
supports	O
up	O
to	O
four	O
GPUs	B-Architecture
per	O
unit	O
.	O
</s>
<s>
It	O
connects	O
to	O
the	O
host	O
PC	O
via	O
a	O
small	O
form	O
factor	O
PCI	O
Express	O
card	O
connected	O
to	O
the	O
host	O
,	O
and	O
a	O
Nvidia	B-General_Concept
Quadro	I-General_Concept
Plex	I-General_Concept
Interconnect	O
Cable	O
.	O
</s>
<s>
The	O
system	O
relies	O
heavily	O
on	O
Nvidia	O
's	O
SLI	B-Device
technology	O
.	O
</s>
<s>
This	O
product	O
is	O
one	O
of	O
several	O
professional	O
graphics	O
solutions	O
on	O
the	O
market	O
today	O
,	O
along	O
with	O
ATI	O
's	O
FireGL	B-Application
and	O
Matrox	B-Application
's	O
professional	O
graphics	B-Device
cards	I-Device
.	O
</s>
