ASUS HD6770 DirectCU Silent graphics card with DirectX®11 and HDMI DirectCU Silent cooling with four flattened copper heatpipes contacting the GPU directly and 95% bigger heatsink surface area than reference for enhanced 0dB heat removal Pump up graphics performance with Super Alloy Power, delivering a 15% performance boost, 2.5 longer lifespan, and 35゚C cooler operation Shop Modal header The Coolest Silent Card! ASUS Exclusive Innovation DirectCU SilentFour flattened copper heat-pipe contacts GPU directly for 0dB cooling experience-- making it the COOLEST silent solution in the work. 95% larger thermal surface than normal design. Super Alloy PowerSuper Alloy Power technology uses special alloy formula in critical power delivery components for a 15% performance boost, 35°C cooler operation and 2.5 times longer lifespan. ASUS Smart DoctorIntelligent system monitoring for efficient overclocking with an intuitive slide bar. Graphics GPU Features Powered by AMD Radeon™ HD 6770 AMD HD3D™ TechnologyOptimize stereoscopic 3D gaming and movie-watching entertainment. DirectX® 11 SupportBring new levels of visual realism to gaming on the PC and get top-notch performance Microsoft® Windows® 7 CompatibleEnable PC users to enjoy an advanced computing experience and to do more with their PC I/O Ports Highlight