![iMac 21.5-Inch "Core i5" 2.5 (Mid-2011) Specs (Mid-2011, MC309LL/A, iMac12,1, A1311, 2428): EveryMac.com iMac 21.5-Inch "Core i5" 2.5 (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 21.5-Inch "Core i5" 2.5 (Mid-2011) Specs (Mid-2011, MC309LL/A, iMac12,1, A1311, 2428): EveryMac.com
![Apple iMac 21.5" All-in-One Desktop Computer i5-2500s 2.7GHz 8GB Ram 1TB Mac OS High Sierra MC812LL/A w/ Keyboard & Mouse Apple iMac 21.5" All-in-One Desktop Computer i5-2500s 2.7GHz 8GB Ram 1TB Mac OS High Sierra MC812LL/A w/ Keyboard & Mouse](https://cdn11.bigcommerce.com/s-w5trgcbv/images/stencil/1280x1280/products/7638/59690/imac%2021.5%204%20__58214.1644957179.jpg?c=2?imbypass=on)
Apple iMac 21.5" All-in-One Desktop Computer i5-2500s 2.7GHz 8GB Ram 1TB Mac OS High Sierra MC812LL/A w/ Keyboard & Mouse
![Apple iMac 21.5" MC812LL/A Mid 2011 - 12GB RAM - 1TB HDD - 2.7Ghz Intel Core i5-2500S (Refurbished) - Walmart.com Apple iMac 21.5" MC812LL/A Mid 2011 - 12GB RAM - 1TB HDD - 2.7Ghz Intel Core i5-2500S (Refurbished) - Walmart.com](https://i5.walmartimages.com/asr/007cf6bb-e2a3-4268-b616-1b7194304462.b758676e422560d7fbb32db9318675ab.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Apple iMac 21.5" MC812LL/A Mid 2011 - 12GB RAM - 1TB HDD - 2.7Ghz Intel Core i5-2500S (Refurbished) - Walmart.com
![What are the differences between the "Mid-2011" Aluminum iMac models? Which is best for my needs?: EveryMac.com What are the differences between the "Mid-2011" Aluminum iMac models? Which is best for my needs?: EveryMac.com](https://everymac.com/images/other_images/apple-imac-mid-2011.jpg)