Key Features:

Powered by Radeon HD 4550 GPU

Supports PCI Express 2.0

Microsoft DirectX 10.1 and OpenGL 2.1 support

Integrated with the best 512MB GDDR3 memory(on board 128MB) and 64-bit memory interface

Supports CrossFireX? and Avivo?HD technology

Features Dual-link DVI-I / D-sub / HDMI

More Information 55nm Technology Faster clocks, double the transistor density of earlier 65 nm technology. 55nm technology helped make HD 4550 series products the most advanced GPUs ever highest clocks speeds, incredible feature integration, full performance and precision all the time, and ability to take advantage of future, higher-speed memories. ATI Avivo HD ATI Avivo HD continues to provide brilliant colors, sharp images, smooth playback of Blu-ray? and HD DVD content, and now adds enhanced connectivity through DisplayPort?, HDMI with built-in multi-channel digital audio, and on some GPUs, Unified Video Decoding (UVD). UVD is designed to enable a cool and quiet media PC with low GPU and CPU power requirements and playback of full HD 1080p content. Catalyst? Control Center ATI?s all-new Catalyst Control Center goes far beyond traditional driver configuration software?it?s a feature-rich and stable 3D acceleration control application that puts you in complete command of your ATI visual processing unit (VPU). Catalyst Control Center offers exceptional graphics performance and visual quality for the ultimate in performance, stability, and innovation. Safe GPU overclocking, custom profiles, and assignable hotkeys are just a few of the many new features. You?ll also enjoy frequent updates, reliable customer service, and an interactive user feedback program, all backed by ATI?s technical confidence, industry-leading capability, and uncompromising commitment to creating your ultimate visual experience. Microsoft