The Best £100 Graphics Card: Radeon HD 6870 Review | Eurogamer.net
XFX HD-687A-ZDFC Radeon HD 6870 Double D Video Card - 1024MB, GDDR5, PCI-Express 2.1 (x16), HDMI, Dual DVI, 2x Mini Display Port, DirectX 11, Dual-Slot, CrossFireX, Includes Dirt3 Game w/Registration at TigerDirect.com
AMD Radeon HD 6870 Review | TechSpot
AMD Radeon HD 6870 Specs | TechPowerUp GPU Database