Axle3D nVidia GeForce GT 630 4GB DDR3 128 bit PCI Express w/ VGA + DVI + HDMI Video Graphics Card NVIDIA PureVideo HD Technology - Blu-ray 3D Support TrueHD and DTS-HD Audio Bitstreaming - Microsoft DirectX 11 Support NVIDIA CUDA Technology - NVIDIA PhysX Technology NVIDIA FXAA Technology -NVIDIA Adaptive Vertical Sync PCI Express 2.0 Support - Support for Windows XP/Vista/Windows 7/Windows 8.1