GV-N210OC-512I Powered by NVIDIA GeForce 210 GPU Supports PCI Express 2.0 Microsoft DirectX 10.1 and OpenGL 3.1 support Integrated with industry’s best 512 MB GDDR2 memory and 64-bit memory interface Supports NVIDIA PureVideo® HD technology Features Dual link DVI-I / D-sub / HDMI with HDCP protection *Minimum 300W or greater system power supply.