Asus NVIDIA GeForce 640 2GB DDR3 PCI Express 3.0 Graphics Card: * NVIDIA GeForce 640 GPU with support for Microsoft DirectX 11 to provide graphics power for the most demanding games and 3D movies * 2GB DDR3 onboard memory provides visual realism * PCI Express 3.0 interface doubles the bandwidth per lane for faster communication * Super Alloy Power * Dust-proof fan * GPU Tweak * NVIDIA PhysX technology * NVIDIA 3D Vision Surround ready * NVIDIA CUDA technology * Supports up to 4 HD displays * Outputs: D-sub, 2 x DVI, HDMI * Includes Asus drive and utilities