The XFX Radeon HD 5800âs ATI Stream technology will accelerate even the most demanding applications, which will allow you to do more than ever with your PC. And the ATI Radeon HD 5800 Series graphics processor is the first ever to deliver full support for Microsoft DirectX 11. This spectacular new GPU delivers rich, realistic visuals and explosive HD gaming performance so youâll completely dominate the competition! Plus, this XFX ATI Radeon HD 5800 Series graphics processor is ready for Microsoft Windows 7. Other essential features include 40nm Process Technology, 2nd Generation TeraScale Engine, PCI 2.0 x16 bus interface, Advanced 1GB/256-bit GDDR5 memory interface, HDMI 1.3 support with Deep Color, and 7.1 High Bitrate Audio. The list of bleeding-edge technologies goes on and on. Onchip HDCP support. ATI CrossFireX multi-GPU support for highly scalable performance. ATI Avivo HD support. Dynamic power management with ATI PowerPlay technology, including memory clocks. Dolby TrueHD and DTSHD Mater Audio ...