Today picked up a $20 2011 iMac 27” with working gpu too! : r/mac
Upgrading the GPU in the 2011 iMac - is it worth it? - YouTube
Need to repair this iMac 27" 2011, Please any suggestions? GPU Temperature is not even 50 C : r/mac
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 :
1.5.8 with iMac Mid 2011 27" loses the GPU Heatsink sensor · Issue #406 · crystalidea/macs-fan-control · GitHub
Amazon.com: 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 Repair
How to Upgrade/Replace GPU Graphics Card on Mid-2011 21.5" iMac - YouTube
Upgrading an iMac GPU for METAL Support! Late 2009 – Mid 2011 Models - YouTube
nVIDIA K1100M 2GB MXM Metal Video Card for iMac 11,1 / 11,2 / 11,3 / 12,1 / 12,2 | eBay
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 :
Upgrading the graphics in our 2011 iMac (first attempt) - YouTube
iMac 27“ (2011) 3-Pipe GPU Heatsink/Grafikkühler für Metal-GPU in Bayern - Nürnberg (Mittelfr) | Grafikkarte gebraucht kaufen | eBay Kleinanzeigen ist jetzt Kleinanzeigen
Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for Apple iMac A1311 Mid-2011 Core i5 2.7 MC812LL/A MC812 21.5 Inch Desktop Computer, AMD Radeon HD 6770M GDDR5 512MB Repair
Upgrading an iMac GPU for METAL Support! Late 2009 – Mid 2011 Models - YouTube
SOLVED: What GPU's are compatible with iMac 27" 2011? - iMac Intel 27" EMC 2429 - iFixit