Sapphire HD 7870 Dual-X OC Specs | TechPowerUp GPU Database
Refurbished: ASUS Radeon HD 7870 GHz Edition 2GB GDDR5 PCI Express 3.0 x16 CrossFireX Support Video Card HD7870-DC2-2GD5 GPUs / Video Graphics Cards - Newegg.com
Source GIGABYTE GV-R787OC-2GD Radeon HD 7870 GHz Edition 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card on m.alibaba.com
NeweggBusiness - SAPPHIRE Radeon HD 7870 GHz Edition 2GB GDDR5 PCI Express 3.0 x16 CrossFireX Support Video Card 100354OC-2L