ATI Radeon HD 6450 512MB DDR3 PCI Express (PCI-E) DVI Video Card w/HDMI & HDCP Support ATI Radeon HD 6450 512 MB DDR3 PCI Express Video Card General Features: ATI Radeon HD 6450 GPU (graphics processing unit) 512 MB DDR3 memory PCI Express 2.1 x16 interface Microsoft DirectX 11 support OpenGL 4.1 support AMD Eyefinity multi-display technology AMD App Acceleration AMD HD3D technology Dual-link DVI with HDCP Integrated HD audio controller Low profile PCB (low profile brackets not included)