Amazon.com: Valley Of The Sun 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 :
For iMac 27" A1312 Mid 2009 2010 2011 upgrade NVIDIA K3100M 4GB GPU Video Card | eBay
2011 iMac GPU Upgrade Now with Brightness and Boot menu - Absolutely Worth It! - YouTube
New amd radeon hd6970m for iMac 27" 2011 a1312 HD 6970m Graphics Card GPU 2gb | eBay
How to Upgrade/Replace GPU Graphics Card on Mid-2011 21.5" iMac - YouTube
Voor Imac 27 "A1312 Mid 2009 2010 2011 6970M 1Gb 2Gb 109-C29657-10 Upgrade Voor Nvidia Gtx 780M DDR5 4Gb Mxm TYPE-B Video Gpu Kaart - AliExpress
Voor Imac 27 "A1312 Mid 2009 2010 2011 6970M 1Gb 2Gb 109-C29657-10 Upgrade Voor Nvidia Gtx 780M DDR5 4Gb Mxm TYPE-B Video Gpu Kaart - AliExpress
imac - Graphics Card Failure - Ask Different
Let op type!! Video grafische VRAM kaart VGA GPU voor Apple iMac 27 inch A1312 HD6970... | bol.com
Upgrading the graphics in our 2011 iMac (first attempt) - YouTube