Video Card   GeForce 9800 GTX AMP!         Experience blazing-fast performance in the latest DirectX 10 and OpenGL 2.1 3D games and applications at stunning extreme high-definition resolutions. The ZOTAC GeForce 9800 GTX AMP! Edition packs 128 pixel-pushing stream processors supercharged to 1890 MHz into a single NVIDIA GeForce 9800 GTX GPU, which also is boosted to 750 MHz. Take 3D performance to levels never thought possible using a single GPU with the ZOTAC GeForce       Graphics Processing Unit - NVIDIAR GeForceR 9800 GTX @ 750 MHz engine clock - 128 Stream Processors - Dual 400 MHz RamDAC - Max. Resolution @ 2560 x 1600 - True 128-bit floating point high dynamic-range (HDR) lighting with 16x full- screen anti-aliasing       Memory - 512 GDDR3 - 2300MHz memory clock - 256-bit memory bus       Bus Support - PCI Express 2.0 // PCI Express x16       3D Acceleration - MicrosoftR DirectXR10 support - Unified Shader Model 4.0 - OpenGL 2.1