MSI N9600GT 512M OC GeForce 9600 GT 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card API Supported - Microsoft DirectX10 and Shader Model 4.0, OpenGL 2.1 RAMDAC Clock Speed - 400 MHz Video Input - Dual DVI,HDTV-out Stream Processors -- 64 Memory