Accelerate and Dominate with the SAPPHIRE HD5800 series.

Welcome to SAPPHIRE’s HD5800 series pages. Here you can find out all you need to know about the best graphic solution available on the planet, the HD5800 series. Expand your visual real estate across up to three displays and get lost in the action with revolutionary ATI Eyefinity Technology. Using ATI Stream technology, accelerate even the most demanding applications and do more than ever with your PC. The first to deliver full support for Microsoft DirectX® 11.