EVGA GeForce GTX 460 SuperClocked, 1024MB GDDR5, PCI-E 2.0, Dual DVI, miniHDMI, SLI Ready Graphics Card (01G-P3-1363-KR) SuperClocked 867 MHz Core Clock 1024MB GDDR5, Memory Clock = 4050MHz, Shader Clock = 1734 MHz, and Cuda Cores = 336 Microsoft directX 11 support NVidia PhysX, NVidia PureVideo HD, NVidia 2-Way SLI Ready, NVidia 3D Vision Surround Ready, NVidia CUDA Technology Windows XP/Vista/7 Support OpenGL 4.2 Support Dual-Link HDCP Capable PCI Express 2.0 Support