![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
![macos - iMac 27'' late 2009 with GPU problems gets fixed by reinstalling Mac OS, what can be really happening? - Ask Different macos - iMac 27'' late 2009 with GPU problems gets fixed by reinstalling Mac OS, what can be really happening? - Ask Different](https://i.stack.imgur.com/xVXOG.jpg)
macos - iMac 27'' late 2009 with GPU problems gets fixed by reinstalling Mac OS, what can be really happening? - Ask Different
![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*pKDnJ-1fA7zycu3YOIWzrg.jpeg)
iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium
![For iMac 27" A1312 Mid 2009 2010 2011 6970m 1GB 2GB 109-C29657-10 Upgrade For Nvidia GTX 680M DDR5 2GB MXM TYPE-B VIDEO GPU CARD - AliExpress For iMac 27" A1312 Mid 2009 2010 2011 6970m 1GB 2GB 109-C29657-10 Upgrade For Nvidia GTX 680M DDR5 2GB MXM TYPE-B VIDEO GPU CARD - AliExpress](https://ae01.alicdn.com/kf/Sbe297fc6219a41d0b1e848dbfb378e8aU/For-iMac-27-A1312-Mid-2009-2010-2011-6970m-1GB-2GB-109-C29657-10-Upgrade-For.jpg)
For iMac 27" A1312 Mid 2009 2010 2011 6970m 1GB 2GB 109-C29657-10 Upgrade For Nvidia GTX 680M DDR5 2GB MXM TYPE-B VIDEO GPU CARD - AliExpress
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For iMac 27" A1312 Mid 2009 2010 2011 6970m 1GB 2GB 109-C29657-10 Upgrade For Nvidia GTX 860M DDR5 2GB MXM TYPE-B VIDEO GPU CARD - AliExpress
![Successfully baked iMac 27” late 2009 graphics card, ask me anything! (Yes I feel empowered lol) : r/mac Successfully baked iMac 27” late 2009 graphics card, ask me anything! (Yes I feel empowered lol) : r/mac](https://preview.redd.it/jirv7w3lku891.jpg?width=640&crop=smart&auto=webp&s=abd4e1b63f0c25a534435a99df1e64189c9604ff)
Successfully baked iMac 27” late 2009 graphics card, ask me anything! (Yes I feel empowered lol) : r/mac
![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
![Recently acquired 2007 Intel iMac (A1224), I am looking for GPU upgrade options but i can't find a list of compatible ones. Can anyone help me out on finding an either common Recently acquired 2007 Intel iMac (A1224), I am looking for GPU upgrade options but i can't find a list of compatible ones. Can anyone help me out on finding an either common](https://i.redd.it/t44su8kom9p71.jpg)