Amazing Gaming Performance Boost with ASUS EAH4550! - Low profile/1-slot design with Low profile bracket bundled for HTPC - Native HDMI support- ASUS exclusive quiet Fansink thermal solution - DDR3 512M Shop Modal header Amazing Home Theater Enjoyment with ASUS EAH4550! ASUS Exclusive Innovation ASUS Features Low profile/1-slot design with Low profile bracket bundle for HTPC Native HDMI Support DDR3 512M memory on boardASUS Splendid: Watching movies on PC is as good as on Top-of-the-line consumer televisionASUS Gamer OSD:Real-time overclocking, benchmarking and video capturing in any PC game!ASUS Smart Doctor: Your intelligent hardware protection and overclocking tool Graphics GPU FeaturesATI RADEON® HD4550 GPUPCI Express 2.0 supportATI Software CrossFire SupportUnified Video Decoder (UVD) for Blu-ray™ and HD DVD Built for Microsoft® Windows Vista™ Full support for Microsoft DirectX10.1 and Shader Model 4.1 enables stunning and complex special effectsOpenGL®2.0 supportFull HD Support: let you get smooth, high quality HD video playback at full HD 1080p from most pc or free up the CPU I/O SpecificationsDVI-I VGA HDCP CompliantHDMI (Native) HDMI (High Definition Multimedia Interface)HDMI means High Definition Multimedia Interface, it carries both HD video and 5.1 surround audio for a clean, high definition connection. And it can transfer both audio and video in only one HDMI cable without messy cables problem. This option means a greater choice and simplification of installation for consumers when connecting to PC monitors or home theaters for maximum enjoyment of full HD 1080p content.