GTX 295 1792MB DDR3 Memory PCI-E 2.0 16x 576Mhz GPU Clock Speed 2016Mhz Memory Clock Speed NVIDIA SLI ready DirectX 10/OpenGL 3.0 GTX 285 2048MB DDR3 Memory PCI-E 2.0 x16 675Mhz GPU Clock Speed 2376Mhz Memory Clock Speed NVIDIA SLI ready DirectX 10/OpenGL 3.0 GTX 275 1792MB DDR3 Memory PCI-E 2.0 16x 648Mhz GPU Clock Speed 2376Mhz Memory Clock Speed NVIDIA SLI ready DirectX 10/OpenGL 3.0   GTX 285 FOR MAC 1024MB DDR3 Memory PCI-E 2.0 x16 648Mhz GPU Clock Speed 2484Mhz Memory Clock Speed GTX 285 Classified 1024MB DDR3 Memory PCI-E 2.0 x16 675Mhz GPU Clock Speed 2538Mhz Memory Clock Speed NVIDIA SLI ready DirectX 10/OpenGL 3.0 GTX 275 CO-OP Physx 1280MB DDR3 Memory PCI-E 2.0 16x 633+738Mhz GPU Clock Speed 2268+2200Mhz Memory Clock Speed NVIDIA SLI ready DirectX 10/OpenGL 3.0   GTX 260 SSC 896MB DDR3 Memory PCI-E 2.0 16x 626Mhz GPU Clock Speed 2106Mhz Memory Clock Speed NVIDIA SLI ready DirectX 10/OpenGL 3.0 GTS 250 1024MB DDR3 Memory PCI-E 2.0 x16 756Mhz GPU Clock Speed 2200Mhz Memory Clock Speed NVIDIA SLI ready DirectX 10/OpenGL 3.0 GT 240 1024MB Memory PCI-E 2.0 x16 550Mhz GPU Clock Speed 3400Mhz Memory Clock Speed DirectX 10/OpenGL 3.0   GTX 260 896MB DDR3 Memory PCI-E 2.0 16x 576Mhz GPU Clock Speed 1998Mhz Memory Clock Speed NVIDIA SLI ready DirectX 10/OpenGL 3.0 GTS 250 512MB DDR3 Memory PCI-E 2.0 x16 675Mhz GPU Clock Speed 1800Mhz Memory Clock Speed NVIDIA SLI ready DirectX 10/OpenGL 3.0 HDMI GT 240 512MB Memory PCI-E 2.0 x16 550Mhz GPU Clock Speed 3400Mhz Memory Clock Speed DirectX 10/OpenGL 3.0   GT 220 1024MB DDR3 Memory PCI-E 2.0 x16 625Mhz GPU Clock Speed 1580Mhz Memory Clock Speed GEFORCE 210 512MB DDR2 Memory Passive Heatsink PCI-E 2.0 x16 589Mhz GPU Clock Speed 804Mhz Memory Clock Speed 9800 GX2 Physx 1024MB DDR3 Memory PCI-E 2.0 x16 600Mhz GPU Clock Speed 2000Mhz Memory Clock Speed Video Input-DVI & HDMI Video Output-DVI & HDMI NVIDIA SLI ready , DirectX 10/OpenGL 3.0   GS 8400 256MB DDR2 Memory PCI-E 16x 459Mhz GPU Clock Speed 800Mhz Memory Clock Speed DirectX® 10/OpenGL® 2.0 nVIDIA® SLI™ ready GT 8500 256MB DDR2 Memory PCI-E 16x 459Mhz GPU Clock Speed 800Mhz Memory Clock Speed DirectX® 10/OpenGL® 2.0 nVIDIA® SLI™ ready GTX 8800 768MB DDR3 Memory PCI-E 16X 575Mhz GPU Clock Speed 1800Mhz Memory Clock Speed nVIDIA® SLI™ ready DirectX® 10/OpenGL® 2.0   GS 8800 384MB DDR3 @ 1.6GHz 96 Stream 65nm GPU @ 550MHz Core Processors @ 1.375GHz Second Generation PureVideo HDPCI Express 2.0 Supported DirectX® 10/OpenGL® 2.0 nVIDIA® SLI™ ready GTS 8800 640MB DDR3 Memory PCI-E 16X 576Mhz GPU Clock Speed 1700Mhz Memory Clock nVIDIA® SLI™ ready DirectX® 10/OpenGL® 2 GS 8400 512MB DDR2 Memory PCI 2.1 567Mhz GPU Clock Speed 1000Mhz Memory Clock Speed DirectX 10/OpenGL 3.0