![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 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](https://m.media-amazon.com/images/I/61GpS98AU6L._AC_UF894,1000_QL80_.jpg)
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
![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 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](https://m.media-amazon.com/images/I/61kZaXJwLkL._AC_UF894,1000_QL80_.jpg)
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
![iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium](https://miro.medium.com/v2/resize:fit:1400/1*SrrheGYtuFqZZPGQIZ9PFA.jpeg)
iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium
![Amazon.com: Original Graphics Card GPU Replacement for Apple iMac 2009 Core 2 Duo 3.06 A1312 MB952LL/A 27 Inch Desktop PC Computer, ATI Mobility HD 4670 GDDR3 256MB 109-B80357-00, MXM Video Board Repair Parts : Electronics Amazon.com: Original Graphics Card GPU Replacement for Apple iMac 2009 Core 2 Duo 3.06 A1312 MB952LL/A 27 Inch Desktop PC Computer, ATI Mobility HD 4670 GDDR3 256MB 109-B80357-00, MXM Video Board Repair Parts : Electronics](https://m.media-amazon.com/images/I/71VQMw8fg+L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Original Graphics Card GPU Replacement for Apple iMac 2009 Core 2 Duo 3.06 A1312 MB952LL/A 27 Inch Desktop PC Computer, ATI Mobility HD 4670 GDDR3 256MB 109-B80357-00, MXM Video Board Repair Parts : Electronics
![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 : 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 :](https://m.media-amazon.com/images/I/71GRYHAib7L.jpg)
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 :
![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: 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](https://m.media-amazon.com/images/I/71j3V+0rkRL.jpg)
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 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 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](https://m.media-amazon.com/images/I/71j3V+0rkRL._AC_UF894,1000_QL80_.jpg)
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
![Quadro K1100m K1100 K2100m 2gb Video Graphics Card N15p-q1-a2 For Imac A1311 A1312 2009 2010 2011 Years - Laptop Repair Components - AliExpress Quadro K1100m K1100 K2100m 2gb Video Graphics Card N15p-q1-a2 For Imac A1311 A1312 2009 2010 2011 Years - Laptop Repair Components - AliExpress](https://ae01.alicdn.com/kf/Hf91a90d074b34fc3b513296cc1e7bafer/Quadro-K1100M-K1100-2GB-Video-Graphics-Card-N15P-Q1-A2-For-iMac-A1311-A1312-2009-2010.jpg)
Quadro K1100m K1100 K2100m 2gb Video Graphics Card N15p-q1-a2 For Imac A1311 A1312 2009 2010 2011 Years - Laptop Repair Components - AliExpress
![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 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](https://ae01.alicdn.com/kf/S8db1e17dd49d4e3597464a9b93a96334e.jpg_640x640Q90.jpg_.webp)