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2011 21″ iMac (HD6750M) [2nd,4C,S] + GTX 1050 Ti @ 10Gbps-TB1 (AKiTiO Thunder2) + macOS 10.13 & Win10 [NayChan] – External GPU Builds
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iMac 27-Inch "Core i5" 2.7 (Mid-2011) Specs (Mid-2011, MC813LL/A, iMac12,2, A1312, 2429): EveryMac.com
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![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/max/1200/1*SrrheGYtuFqZZPGQIZ9PFA.jpeg)
iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium
Replacment GPU for Apple iMac 11,1 - 12,2 [year 2009 - 2011], Computers & Tech, Parts & Accessories, Computer Parts on Carousell
![Adding an external GPU to your Mac is probably a better upgrade option than getting a new one | TechCrunch Adding an external GPU to your Mac is probably a better upgrade option than getting a new one | TechCrunch](https://techcrunch.com/wp-content/uploads/2020/07/https-hybrismediaprod.blob_.core_.windows.net-sys-master-phoenix-images-container-he9-h03-9011281788958-razer-core-x-chroma-gallery-hero.jpg)
Adding an external GPU to your Mac is probably a better upgrade option than getting a new one | TechCrunch
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