Amazon.com: Original Graphics Card GPU Replacement, for Apple iMac Late 2009 A1312 MC507LL/A 27-Inch Core i7 2.8 27-Inch Computer, AMD Radeon HD4850 HD 4850 GDDR3 512MB, MXM GPU Video Board Repair Parts :
macos - iMac 27'' late 2009 with GPU problems gets fixed by reinstalling Mac OS, what can be really happening? - Ask Different
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|Laptop LCD Screen| - AliExpress
Originalna grafična kartica IMAC 2009, 2010, 2011 – 1 GB – Apple servis in trgovina
iMac Late 2009 Graphic Card issues - Apple Community
Amazon.com: Original Graphics Card GPU Replacement, for Apple iMac Late 2009 A1312 MC507LL/A 27-Inch Core i7 2.8 27-Inch Computer, AMD Radeon HD4850 HD 4850 GDDR3 512MB, MXM GPU Video Board Repair Parts :
AMD Radeon HD 4850 | Late 2009 iMac stock video card | James Wages | Flickr