1GB Radeon HD 6750 DDR5 HDMI Dual DVI VGA PCI-E Graphics Card / GPU | eBay
AMD Releases Radeon HD 7670 to OEMs | VideoCardz.com
AMD Radeon HD 6750 Specs | TechPowerUp GPU Database
Amazon.com: SAPLOS Radeon HD 7670 Computer Graphics Card, 2GB, GDDR3, 128 Bit, VGA HDMI DVI-D, Entry Level GPU, Video Card for PC, PCI Express x 16, 60W Low Power, Single Fan Air