AMD's Radeon HD 6770 & Radeon HD 6750: The Retail Radeon 5700 Rebadge
HD6770 Graphics Card PCI-E 2.0 X16 4GB GDDR5 128 Bit VGA DVI-I HDMI-Compatible Video Card for AMD Radeon HD 6770 4G 128Bit - Newegg.com
Dell 8PJF8 ATI Radeon HD 6770 1GB Review - PCGameBenchmark
Dell ATI Radeon HD 6770 08PJF8 1GB GDDR5 Desktop Graphics Card ATI-102-C01002 | eBay
SAPPHIRE Flex Radeon HD 6770 Video Card 100328FLEX - Newegg.com
SAPPHIRE Radeon HD 6770 Video Card 100328L - Newegg.com
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AMD Radeon HD 6770 Green Edition Specs | TechPowerUp GPU Database
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