Sapphire HD 6750 Vapor-X Specs | TechPowerUp GPU Database
XFX Radeon HD 6750 1GB GDDR5 PCI Express 2.1 x16 Video Card HD-675X-ZDFC GPUs / Video Graphics Cards - Newegg.com
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Radeon HD 6750 and Radeon HD 6770 listed on AMD website | VideoCardz.com