AMD's new ATI Radeon HD 5800 3D cards first to market with DirectX 11 support - CNET
HIS HD 5850 1GB (256bit) GDDR5 PCIe (DirectX 11/ Eyefinity) < HD 5800 Series < Desktop graphics < Products | HIS Graphic Cards
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XFX Radeon HD 5800 Series graphics cards
GIGABYTE Launches Latest Ultra Durable VGA Based Radeon HD 5800 Series | TechPowerUp
Changing the Game - ATI Radeon HD 5870 1GB GDDR5 - HardwareZone.com.sg
GIGABYTE Presents Radeon™ HD 5800 Series Graphics Cards, First to Offer Full Support for Microsoft DirectX® 11Expand your visual real estate across up to three displays | News - GIGABYTE U.K.
AMD Radeon 5800 XT (big NAVI) to get 80 Compute units?
New video shows the rise and fall of AMD, Intel and Nvidia graphics cards | Eurogamer.net