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AMD Radeon HD 6990 Launch Day: a 450W and 0 Dual-GPU Graphics Card for The Fanatic! | Geeks3D
AMD Radeon HD 6990 Graphics Card Review - Overclockers
AMD ATI Radeon HD 6990 4GB GDDR5 PCIe Reviews, Pros and Cons | TechSpot
XFX Radeon HD 6990 4GB Core | VideoCardz.net
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AMD Radeon HD 6990 Graphics Card Review - Overclockers
Sapphire RADEON HD 6990 Dual GPU VGA Review | The ChannelPro Network
Radeon HD 6990 review - Introduction
