EVGA GeForce GTX 460 FPB, 1024MB GDDR5, PCI-E 2.0, Dual DVI, miniHDMI, SLI Ready Graphics Card (01G-P3-1361-KR) Free Performance Boost 823MHz Core Clock 1024MB GDDR5, Memory Clock = 4008MHz, Shader Clock = 1646 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. Minimum 450W power supply and 2 6-pin PCI-E Connectors Required.