EVGA GeForce GTX 650 1024MB GDDR5 DVI mHDMI Graphics Card 01G-P4-2650-KR Microsoft DirectX 12 API (feature level 11_0) Support Core Clock: 1058 MHz 1024MB GDDR5 128-Bit Memory Clock: 5000 MHz CUDA Cores: 384 PCI-Express 3.0 Nvidia SMX Engine, NVidia Adaptive Vertical Sync, Nvidia Surround, Support for 3 Concurrent Displays, Nvidia PhysX, Nvidia 3D Vision Ready, Nvidia CUDA Technology