8600GT 512MB DDR3 -------------------------------------------------------------------------------- Specifications Bus interface: PCI Express Memory: 512MB Memory Interface: 128 bit RAMDACs: 400 MHz NVIDIA® unified architecture with GigaThread™ technology Full Microsoft® DirectX® 10 Shader Model 4.0 support 16x full-screen anti-aliasing True 128-bit floating point high dynamic-range (HDR) lighting NVIDIA® Quantum Effects™ physics processing technology Two dual-link DVI outputs support two 2560x1600 resolution displays NVIDIA® PureVideo™ HDtechnology HDCP capable OpenGL® 2.0 support NVIDIA ForceWare® Unified Driver Architecture (UDA) NVIDIA® Lumenex™ Engine Innovative Cooling System Built for Microsoft® Windows Vista™