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AMD Radeon HD 7970 GHz Edition review | TechRadar
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Revisiting the Radeon R9 280X / HD 7970 | TechSpot
Sapphire HD 7970 Dual-X Specs | TechPowerUp GPU Database
Sapphire Radeon HD 7970 GHz Edition TOXIC 6GB PCIe 100351TXSR Reviews, Pros and Cons | TechSpot