| Bus Interface |
PCI Express x16 PCI Express x1 |
PCI Express x16 PCI Express x1 |
PCI Express x16 PCI Express x1 |
PCI Express x16 |
| Memory Size |
256MB GDDR3 |
512MB DDR3 |
512MB GDDR32 |
512MB GDDR32 |
| Memory Interface |
64-bit |
64-bit |
128-bit (64bit/gpu) |
128-bit (64bit/gpu) |
| Memory Bandwidth |
11.2 GB/s |
12.6 GB/s |
11.2 GB/s per gpu |
11.2 GB/s per gpu |
| Form Factor |
SFF1 |
SFF1 |
SFF1 |
ATX Full Height, 1/2 length |
| CUDA Processor Cores |
8 |
16 |
16 |
16 |
| Display Connectors |
DisplayPort (2) |
DMS59 |
VHDCI (1) |
DisplayPort (4) |
| Max. Displays per Board |
2 |
2 |
4 |
4 |
| Max Digital Display Support |
2560 x 1600 |
2560x1600 (DisplayPort) 1920x1200 (DVI-I) |
2560 x 1600 |
2560 x 1600 |
| Max Analog Display Support |
N/A |
2048x1536 (VGA) |
N/A |
N/A |
| OpenGL |
3.3 |
3.3 |
3.3 |
3.3 |
| DirectX |
10.1 |
10.1 |
10.1 |
10.1 |
| Shader Model |
4.0 |
4.1 |
4.0 |
4.0 |
| CUDA enabled |
Yes |
Yes |
Yes |
Yes |
| Power and Cooling |
23W - Passive |
17.5W - Passive |
40W - Active6 |
35W - Passive |
| nView Enabled |
Yes |
Yes |
Yes |
Yes |
| DisplayPort Links |
2 |
27 |
43 |
4 |
| DVI Links |
25 |
28 |
44 |
45 |
| Analog Displays VGA |
N/A |
29 |
N/A |
N/A |