File:Sapphire Radeon HD 6870 - top 2.jpg - Wikimedia Commons
Meet The Radeon HD 6950 1GB and XFX Radeon HD 6870 Black Edition - AMD's GTX 560 Ti Counter-Offensive: Radeon HD 6950 1GB & XFX's Radeon HD 6870 Black Edition
AMD Radeon HD 6870 Specs | TechPowerUp GPU Database
Sapphire Radeon HD 6870 1GB GDDR5 PCIe Reviews, Pros and Cons | TechSpot
XFX AMD Radeon HD 6870 (HD-687A-ZNFC) 1GB / 1GB (max) GDDR5 SDRAM PCI Express x16 Graphics adapter for sale online | eBay
AMD ATI Radeon HD 6870 1GB GDDR5 PCIe Reviews, Pros and Cons | TechSpot