Late 2009 iMac 27" Video Card Repair [4850 Bake] - YouTube
Apple iMac A1311 A1312 2009 2010 2011 NVIDIA K1100M K2100M 2GB Video Card GPU | eBay
Amazon.com: Original Graphics Card for Apple iMac 2009 Core 2 Duo 3.06 MB420LL/A MB420 A1225 24 Inch All-in-One Desktop PC, NVIDIA GeForce GT 130M GDDR3 512MB, GPU Video Board Replacement 180-10816-0000-C01 :
2009 27” Imac Amd Radeon M98 GPU For Parts | eBay
iMac Graphics Card GPU Overheating and Failure
Amazon.com: Genuine Graphics Video Card GPU Replacement for Apple iMac Late 2009 27 Inch Core i5 2.66 MB953LL/A A1312 All-in-One Desktop PC, AMD ATI Mobility Radeon HD 4850 GDDR3 512MB, MXM VGA
Amazon.com: Original Graphics Card for Apple iMac 2009 Core 2 Duo 3.06 MB420LL/A MB420 A1225 24 Inch All-in-One Desktop PC, NVIDIA GeForce GT 130M GDDR3 512MB, GPU Video Board Replacement 180-10816-0000-C01 :
Amazon.com: Original Graphics Video Card for Apple iMac Core i7 2.8 27-Inch Late 2009 A1412 MC507LL/A MC507 Desktop Computer, AMD ATI Mobility Radeon HD 4850 GDDR3 512MB 109-B91157-00, GPU Upgrade Replacement : Electronics
For iMac 27" A1312 Mid 2009 2010 2011 upgrade NVIDIA K3100M 4GB GPU Video Card | eBay