Radeon HD 7970 official: 28nm, 2,048 Stream processors, and a $549 price for January 9th - The Verge
MSI Radeon HD 7970 3GB GDDR5 PCI Express 3.0 x16 CrossFireX Support Video Card R7970-2PMD3GD5/OC GPUs / Video Graphics Cards - Newegg.com
AMD Radeon HD 7950 3GB PCIe x16 HDMI DVI Video Card 7121B10000G Compeve Compenet AMD Radeon HD 7950 3GB PCIe x16 HDMI DVI Video Card 7121B10000G [Radeon HD 7950] - $319.00 :
AMD Radeon HD 7970 Specs | TechPowerUp GPU Database
7970PE53G Best Data Products Diamond Amd Radeon HD 7970 PCie 3g GDDR5 Video Graphics Card
XFX AMD Radeon HD 7970 GDDR5 SDRAM PCI Express 3.0 x16 Video Card – ISSUES – ASA College: Florida