Redefine HD Gaming with the Diamond Radeon HD 4870 video card. It delivers 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. 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. Play today with a whopping 1GB of GDDR5 memory while preparing for tomorrow with tessellation, support for DirectX 10.1 and scalable ATI CrossFireX technology.