PNY XLR8 GeForce 8800 Ultra Overclocked 768MB PCI-Express Performance Edition Graphics Card NVIDIA unified architecture with GigaThread technology, Full Microsoft DirectX 10 Shader Model 4.0 support,NVIDIA SLI-Ready 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 HD technology1 , HDCP Capable2 PCI Express support, OpenGL 2.0 support, Output: DVI-I+DVI-I+HDTV/S-Video NVIDIA ForceWare Unified Driver Architecture (UDA), Built for Microsoft Windows Vista