AMD Radeon HD 6850 Review: AMD Radeon HD 6850 review: An affordable model in AMD's 6800 Radeon series of graphics cards - PC Components - Graphic Cards - PC World Australia
HD-685X-ZDFC, Radeon™ HD 6850 Display Port 775MHz, 1GB GDDR5 4000MHz, PCIe x16 CrossFire, 2x DVI+HDMI+DP, Retail, XFX
SAPPHIRE Radeon HD 6850 2GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card (100315-2GL ) - Newegg.com
GIGABYTE Ultra Durable VGA Series Radeon HD 6850 Video Card with Eyefinity GV-R685OC-1GD - Newegg.com