EVGA 512-P3-N862-AR e-GeForce 9600 GT SuperClocked 512MB DDR3 PCI-E 2.0 Graphics Card API Supported - Microsoft DirectX10 and Shader Model 4.0, OpenGL 2.1 RAMDAC Clock Speed - 400 MHz Video Input - Dual DVI,HDTV-out - NVIDIA SLI Ready - 16 x full-screen anti-aliasing