Force3d ATI Radeon Hd 4550 1gb Ddr3 Hdmi / DVI / VGA Pci-express Hd4550 Video Card Microsoft DirectX 10.1 & PCI Express 2.0 & HDMI output Enhanced Anti-Aliasing & Anisotropic Filtering Unified Video Decoder 2 & Upscale Beyond 1080p & Enhanced DVD Upscaling Consumes less than 25 watts under full load & Dynamic Power Management Energy Efficient Manufacturing Process & Stability & Reliability