![Apple iMac 21.5" (Mid 2011) - Intel Quadcore i5 CPU - 8GB RAM - 500GB HD - iMac - avec macOS High Sierra - Catawiki Apple iMac 21.5" (Mid 2011) - Intel Quadcore i5 CPU - 8GB RAM - 500GB HD - iMac - avec macOS High Sierra - Catawiki](https://assets.catawiki.com/image/pr:cw_ldp_l/plain/assets/catawiki/assets/2023/12/7/8/b/4/8b472e02-f052-436d-b100-3baef3f8d7e4.jpg)
Apple iMac 21.5" (Mid 2011) - Intel Quadcore i5 CPU - 8GB RAM - 500GB HD - iMac - avec macOS High Sierra - Catawiki
![iMac 27-inch, Mid 2011 (iMac 12,2) MacOS High Sierra (10.13.6) randomly restarts during startup - YouTube iMac 27-inch, Mid 2011 (iMac 12,2) MacOS High Sierra (10.13.6) randomly restarts during startup - YouTube](https://i.ytimg.com/vi/eF6uiHwCBWM/maxresdefault.jpg)
iMac 27-inch, Mid 2011 (iMac 12,2) MacOS High Sierra (10.13.6) randomly restarts during startup - YouTube
![Hey folks! I am looking for advice on potentially updating my trusty 2011 iMac in order to run a newer OS on it (ideally Monterey) and would love pointers on which components Hey folks! I am looking for advice on potentially updating my trusty 2011 iMac in order to run a newer OS on it (ideally Monterey) and would love pointers on which components](https://i.redd.it/05al1cle574a1.jpg)
Hey folks! I am looking for advice on potentially updating my trusty 2011 iMac in order to run a newer OS on it (ideally Monterey) and would love pointers on which components
![APPLE IMAC 21.5" CORE I5 2.5GHZ MID-2011 4GB 250 SSD SMART DVD MAC OS SIERRA (Refurbished) : Amazon.co.uk: Computers & Accessories APPLE IMAC 21.5" CORE I5 2.5GHZ MID-2011 4GB 250 SSD SMART DVD MAC OS SIERRA (Refurbished) : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/419sCWtVv1S._AC_UF1000,1000_QL80_.jpg)
APPLE IMAC 21.5" CORE I5 2.5GHZ MID-2011 4GB 250 SSD SMART DVD MAC OS SIERRA (Refurbished) : Amazon.co.uk: Computers & Accessories
![Mid 2014 Apple iMac 21.5" - Core i5 1.4GHz, 8GB RAM, 500GB HDD - Argent (Reconditionné) : Amazon.fr: Informatique Mid 2014 Apple iMac 21.5" - Core i5 1.4GHz, 8GB RAM, 500GB HDD - Argent (Reconditionné) : Amazon.fr: Informatique](https://images-eu.ssl-images-amazon.com/images/I/61yb48V3LzL._AC_UL600_SR600,600_.jpg)
Mid 2014 Apple iMac 21.5" - Core i5 1.4GHz, 8GB RAM, 500GB HDD - Argent (Reconditionné) : Amazon.fr: Informatique
Apple iMac 27″ Mid 2011 Core i5 3.1GHz 8GB 1TB DVDCDRW Wifi macOS 10.13 High Sierra for just $499.00. Order here... | By Atlas Computers & Electronics | Facebook
![Mid-2011 21.5" iMac / macOS 10.13 High Sierra (3 left) - computers - by owner - electronics sale - craigslist Mid-2011 21.5" iMac / macOS 10.13 High Sierra (3 left) - computers - by owner - electronics sale - craigslist](https://images.craigslist.org/00G0G_57TU0HvgDOnz_0CI0t2_600x450.jpg)
Mid-2011 21.5" iMac / macOS 10.13 High Sierra (3 left) - computers - by owner - electronics sale - craigslist
![iMac "Core i5" 2.5 21.5" (Mid-2011) Specs (Mid-2011, MC309LL/A, iMac12,1, A1311, 2428): EveryMac.com iMac "Core i5" 2.5 21.5" (Mid-2011) Specs (Mid-2011, MC309LL/A, iMac12,1, A1311, 2428): EveryMac.com](https://everymac.com/images/cpu_pictures/apple-imac-mid-2010-21.jpg)
iMac "Core i5" 2.5 21.5" (Mid-2011) Specs (Mid-2011, MC309LL/A, iMac12,1, A1311, 2428): EveryMac.com
![2011 21″ iMac (HD6750M) [2nd,4C,S] + GTX 1050 Ti @ 10Gbps-TB1 (AKiTiO Thunder2) + macOS 10.13 & Win10 [NayChan] | External GPU Builds 2011 21″ iMac (HD6750M) [2nd,4C,S] + GTX 1050 Ti @ 10Gbps-TB1 (AKiTiO Thunder2) + macOS 10.13 & Win10 [NayChan] | External GPU Builds](https://i.imgur.com/eqqdvz5.png)
2011 21″ iMac (HD6750M) [2nd,4C,S] + GTX 1050 Ti @ 10Gbps-TB1 (AKiTiO Thunder2) + macOS 10.13 & Win10 [NayChan] | External GPU Builds
![Mac OS CATALINA on a 2011 IMAC. I kept hearing it won't work because of the video card and would make my Mac unable to use but it is working for me. I decided to take the risk . : r/mac Mac OS CATALINA on a 2011 IMAC. I kept hearing it won't work because of the video card and would make my Mac unable to use but it is working for me. I decided to take the risk . : r/mac](https://preview.redd.it/659ugq09ypm41.jpg?width=1080&crop=smart&auto=webp&s=655f2126234f67b89963ce7640682e14c747f255)