For iMac 27" Mid 2011 A1312 AMD Radeon HD 6970M Video Card 1GB 109-C29657-10 | eBay
iMac Intel 27" EMC 2374, AMD Radeon HD 4850 Video Card Removal & Repair - iFixit Repair Guide
NEW Apple iMac 27" A1312 mid 2011 AMD Radeon HD 6970M 2GB DDR5 VGA Video Card | eBay
AS-IS Apple iMac 27" A1312 Mid 2011 - Video Card AMD Radeon HD 6770M 512MB | eBay
How to Upgrade/Replace GPU Graphics Card on Mid-2011 21.5" iMac - YouTube
Amazon.com: 2GB Graphics Video Card Upgrade for Apple iMac Mid-2011 27 Inch Core i5 MC814LL/A MC814 A1312 Desktop All-in-One PC, AMD Mobility Radeon HD 6970M Replacement Repair Parts : Electronics
Apple iMac 27" Mid 2010 AMD Radeon HD A1312 VGA Video Card Heatsink 6970m 6970 for sale online | eBay
Amazon.com: 2 GB Graphics Video Card GPU Upgrade Replacement for Apple iMac Mid-2011 A1312 27 Inch Core i7 3.4 i5 3.1 Desktop Computer, New AMD Radeon HD 6970M HD6970M 2GB MXM Board
661-5967 Graphic Card 512MB AMD Radeon HD 6770 for iMac 27 inch Mid 2011 A1312 MC813LL/A MC814LL/A | Graphic card, Video card, Apple computer
Original For Apple Imac 27" A1312 Mid 2011 Amd Radeon Hd 6970m 2gb Vga Video Card Graphics Cards - Buy Graphics Cards For Imac 27'',Video Card A1312,Graphics Cards A1312 Product on Alibaba.com