Gainward nVidia GeForce GTX640 Graphics Card (426018336-2562)
2GB DDR3 Memory
PCI Express 3.0 x16, Dual-link DVI, D-Sub, HDMI 1.4a
2-Slot Fan
Blu-ray 3D support, DirectCompute 5.0, DirectX 11, NVIDIA Adaptive Vertical Sync, NVIDIA CUDA with CUDA C/C++, NVIDIA FXAA, NVIDIA PhysX, NVIDIA PureVideo HD, OpenCL, OpenGL 4.2 & TrueHD and DTS-HD Audio Bitstreaming
Dual Slot