iMac Intel 27" EMC 2429 Radeon HD 6970M Graphics Card
Amazon.com: 2GB Graphics Card GPU Upgrade Replacement for iMac 27 Inch Mid- 2011 A1312 Desktop Computer Core i5 3.1 MC814LL/A MC814, AMD Radeon HD 6970M GDDR5 2 GB MXM Video Board Repair Parts :
iMac 27" A1312 Mid 2011 Video Card AMD Radeon HD 6770M 512MB 730-0630-A 661-5967 | eBay
Original HD 4670 4850 5750 6970 VGA Video Card For iMac 27" A1312 Graphics Card 512MB 1GB 2GB 2009 2010 2011 Year - AliExpress
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Upgrading the graphics in our 2011 iMac (first attempt) - YouTube
Amazon.com: Sunvalley 2GB Graphics Video Card Replacement for Apple iMac Mid -2011 27 Inch A1312 Core i7 3.4 MD063LL/A MD063 Desktop PC Computer, ATI Radeon HD 6970 GDDR5 2 GB, New GPU Upgrade
Amazon.com: Sunvalley 2GB Graphics Video Card Replacement for Apple iMac Mid -2011 27 Inch A1312 Core i7 3.4 MD063LL/A MD063 Desktop PC Computer, ATI Radeon HD 6970 GDDR5 2 GB, New GPU Upgrade
Apple Initiates Video Card Replacement Program for Radeon HD 6970M Equipped Mid-2011 27” iMacs
Original Ati HD 6970M 5750m 4850 4670 Graphics Card Video Card 1GB 2GB 109-C29657-10 For Apple iMac 27" A1312 GPU 2009 2010 2011 - AliExpress
NEW Video Card AMD HD 6970M 2GB For iMac 27" Mid 2011 A1312 With heat sink | eBay
Amazon.com: Sunvalley 2GB Graphics Video Card Replacement for Apple iMac Mid -2011 27 Inch A1312 Core i7 3.4 MD063LL/A MD063 Desktop PC Computer, ATI Radeon HD 6970 GDDR5 2 GB, New GPU Upgrade
Amazon.com: Graphics Video Card for Apple iMac Mid-2011 A1312 Core i5 2.7 27 -Inch Desktop PC MC813LL/A, AMD Radeon HD 6770M GDDR5 512MB 109-C29557-00, MXM VGA Board Genuine Replacement Parts : Electronics
How to Upgrade/Replace GPU Graphics Card on Mid-2011 21.5" iMac - YouTube
nVidia Geforce GTX770M 3GB MXM Video Card For iMac 27-inch 2010 & 2011 – local338
Amazon.com: Original Graphics Video Card for Apple iMac 2011 Core i5 2.7 A1312 MC813LL/A MC813 27 Inch Desktop PC Computer AMD Radeon HD 6770M HD6770M GDDR5 512MB 109-C29557-00 Replacement Parts : Electronics