![APPLE IMAC 21.5in CORE I5 2.5GHZ MID-2011 8GB 500GB SMART DVD MAC OS SIERRA (Renewed) : Amazon.co.uk: Computers & Accessories APPLE IMAC 21.5in CORE I5 2.5GHZ MID-2011 8GB 500GB SMART DVD MAC OS SIERRA (Renewed) : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/41D1PikvZRL._AC_UF1000,1000_QL80_.jpg)
APPLE IMAC 21.5in CORE I5 2.5GHZ MID-2011 8GB 500GB SMART DVD MAC OS SIERRA (Renewed) : Amazon.co.uk: Computers & Accessories
![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/0cacFDe.jpg)
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 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
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
![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. 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.](https://i.redd.it/659ugq09ypm41.jpg)