User manual Gigabyte Radeon HD 6870 (English - 38 pages)
ASUS Radeon HD 6870 1GB GDDR5 PCI Express 2.1 x16 CrossFireX Support Video Card with Eyefinity EAH6870 DC/2DI2S/1GD5 GPUs / Video Graphics Cards - Newegg.com
SAPPHIRE Radeon HD 6870 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card (100314-3L ) - Newegg.com
XFX Radeon HD 6870 1GB GDDR5 PCI Express 2.1 x16 CrossFireX Support Video Card HD-687A-ZHFC GPUs / Video Graphics Cards - Newegg.com
Asus Radeon HD 6870 1GB GDDR5 PCIe Reviews, Pros and Cons | TechSpot
File:Sapphire Radeon HD 6870 - top 1.jpg - Wikimedia Commons
iXBT Labs - Sapphire Vapor-X HD 6870 1GB, Sapphire Toxic HD 6870 1GB, Sapphire HD 6850/6870 1GB Graphics Cards - Page 1: Specifications
Gigabyte Radeon HD 6870 specifications
Sapphire Radeon HD 6870 1GB GDDR5 PCIe Reviews, Pros and Cons | TechSpot
ATI Radeon HD 6870 and HD 6850 reviewed, deemed worthy of the midrange | Engadget