HIS H489F1GP Radeon HD 4890 HDMI Dual DL-DVI HDCP 1 GB 256 Bit GDDR5 PCI Express 2.0 X16 Video Card Retail (RoHS) ATI Radeon HD 4890 Series Key Features: GDDR5 memory. Redefine HD Gaming: The ATI Radeon HD 4800 Series GPUs deliver a cinematic gaming experience with unprecedented performance. The powerful new TeraScale graphics will propel you deep into your gameplay with seamless frame rates and high resolutions. ATI Avivo HD Technology: ATI Avivo HD is the advanced image and video processing and display technology found in ATI Radeon HD GPUs . Specifically designed for HDTV and HD video enthusiasts, ATI Avivo HD provides brilliant colors and sharp images. HDMI Video and Audio: A system with an ATI Radeon HD 4800 Series graphics card can help enhance the HD entertainment experience by providing a seamless connection to an HDTV or home theater system. Enhanced anti-aliasing (AA) and anisotropic filtering create striking graphics with unparalleled realism so you can max out the settings of the most demanding next-generation games or revitalize your favorite titles.