How do I replace my AMD Radeon HD 6970M 1… - Apple Community
New amd radeon hd6970m for iMac 27" 2011 a1312 HD 6970m Graphics Card GPU 2gb | eBay
AMD Radeon HD 6970M Specs | TechPowerUp GPU Database
For iMac 27" Mid 2011 A1312 AMD Radeon HD 6970M Video Card 1GB 109-C29657-10 | eBay
Amazon.com: Valley Of The Sun Genuine Graphics Video Card Replacement AMD Radeon HD 6970M GDDR5 1GB 109-C29657-10 for Apple iMac 2011 27" MC814LL/A MD063LL/A A1312 Desktop PC Computer, MXM VGA Board :
Gaming Performance: HD 6970M Nipping at the Heels of GTX 485M - Eurocom Racer: Why the Radeon HD 6970M Rocks
661-5969 Video Card AMD Radeon HD 6970M 2GB for APPLE iMac 27" Mid 2011 A1312 | eBay
AMD Radeon HD 6970M card
Review AMD Radeon HD 6970M Graphics Card - NotebookCheck.net Reviews