GV-N240D5-512I (rev. 2.0) Powered by NVIDIA GeForce GT 240 GPU Supports PCI Express 2.0 Microsoft DirectX 10.1 and OpenGL 3.1 support Integrated with industry’s best 512 MB GDDR5 memory and 128-bit memory interface Supports NVIDIA PureVideo® HD technology Features Dual link DVI-I / D-sub / HDMI with HDCP protection *Minimum 450W or greater system power supply.