Axle3D Nvidia GeForce GT 520 2GB DDR3 PCI Express w/ VGA + DVI + HDMI Silent Video Card - Low Profile READY Low Profile Ready - NVIDIA PureVideo Technology - NVIDIA PhysX-ready Microsoft DirectX 11 - Hardware Video Decode Acceleration - NVIDIA CUDA Technology Certified drivers for Windows 7 - Windows Vista - Windows XP Hardware Video Decode Acceleration - PCI Express 2.0 Support TrueHD and DTS-HD Audio Bitstreaming Support - OpenGL 4.1