GIGABYTE Unveils Radeon™ HD 7800 Overclock Series Graphics Cards | News - GIGABYTE Global
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VTX3D Launches Radeon HD 7800 Series | VideoCardz.com
Sapphire Intros its HD7800 Series GCN based Graphic Cards
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MSI Releases Radeon HD 7800 Twin Frozr Series | VideoCardz.com