![Amazon.com: Apple 21.5" iMac with Retina 4K Display Desktop, Intel Core i5, 8GB RAM, 1TB HDD - MRT42LL/A (Renewed) : Electronics Amazon.com: Apple 21.5" iMac with Retina 4K Display Desktop, Intel Core i5, 8GB RAM, 1TB HDD - MRT42LL/A (Renewed) : Electronics](https://m.media-amazon.com/images/I/71JeS5P1ZTL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Apple 21.5" iMac with Retina 4K Display Desktop, Intel Core i5, 8GB RAM, 1TB HDD - MRT42LL/A (Renewed) : Electronics
![Amazon.com: Apple iMac 21.5-inch Retina 4K Display MNDY2LL/A Mid-2017 - Intel Core i5 3.0GHz, 8GB RAM, 256GB SSD, macOS Mojave - Silver (Renewed) : Electronics Amazon.com: Apple iMac 21.5-inch Retina 4K Display MNDY2LL/A Mid-2017 - Intel Core i5 3.0GHz, 8GB RAM, 256GB SSD, macOS Mojave - Silver (Renewed) : Electronics](https://m.media-amazon.com/images/I/61Z2af0NZfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Apple iMac 21.5-inch Retina 4K Display MNDY2LL/A Mid-2017 - Intel Core i5 3.0GHz, 8GB RAM, 256GB SSD, macOS Mojave - Silver (Renewed) : Electronics
![Apple iMac with 4K Retina display (21.5-inch, 2015) review: Apple packs more pixels into its smallest iMac - CNET Apple iMac with 4K Retina display (21.5-inch, 2015) review: Apple packs more pixels into its smallest iMac - CNET](https://www.cnet.com/a/img/resize/c0f83eedacd1312de7bff3d50ab303212711d26c/hub/2015/10/09/54f1edc6-361b-4d74-be8f-b80c9272e8f2/apple-imac-with-4k-retina-display-21-5-inch-2015-22.jpg?auto=webp&fit=crop&height=1200&width=1200)
Apple iMac with 4K Retina display (21.5-inch, 2015) review: Apple packs more pixels into its smallest iMac - CNET
![Best Buy: Apple 21.5" Certified Refurbished iMac with Retina 4K Display Intel Core i3 3.6GHz 8GB Memory 1TB HDD (2019) Silver MRT32LL/A Best Buy: Apple 21.5" Certified Refurbished iMac with Retina 4K Display Intel Core i3 3.6GHz 8GB Memory 1TB HDD (2019) Silver MRT32LL/A](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6455/6455801cv4d.jpg)
Best Buy: Apple 21.5" Certified Refurbished iMac with Retina 4K Display Intel Core i3 3.6GHz 8GB Memory 1TB HDD (2019) Silver MRT32LL/A
![Amazon.com: Apple iMac 21.5-inch Retina 4K Display MNDY2LL/A Mid-2017 - Intel Core i5 3.0GHz, 8GB RAM, 256GB SSD, macOS Mojave - Silver (Renewed) : Electronics Amazon.com: Apple iMac 21.5-inch Retina 4K Display MNDY2LL/A Mid-2017 - Intel Core i5 3.0GHz, 8GB RAM, 256GB SSD, macOS Mojave - Silver (Renewed) : Electronics](https://m.media-amazon.com/images/I/616gV6XY+4L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Apple iMac 21.5-inch Retina 4K Display MNDY2LL/A Mid-2017 - Intel Core i5 3.0GHz, 8GB RAM, 256GB SSD, macOS Mojave - Silver (Renewed) : Electronics
![Apple A Grade Desktop Computer iMac 21.5-inch (Retina 4K) 3.4GHZ Quad Core i5 (Mid 2017) MNE02LL/A 8 GB 1 TB HDD 4096 x 2304 Display Mac OS Includes Keyboard and Mouse - Walmart.com Apple A Grade Desktop Computer iMac 21.5-inch (Retina 4K) 3.4GHZ Quad Core i5 (Mid 2017) MNE02LL/A 8 GB 1 TB HDD 4096 x 2304 Display Mac OS Includes Keyboard and Mouse - Walmart.com](https://i5.walmartimages.com/seo/Apple-A-Grade-Desktop-Computer-iMac-21-5-inch-Retina-4K-3-4GHZ-Quad-Core-i5-Mid-2017-MNE02LL-A-8-GB-1-TB-HDD-4096-x-2304-Display-Mac-OS-Includes-Keyb_4ef5d711-f829-421f-80e4-fd3a309be320.5b2e15518a927a5b248efe95f76667c0.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Apple A Grade Desktop Computer iMac 21.5-inch (Retina 4K) 3.4GHZ Quad Core i5 (Mid 2017) MNE02LL/A 8 GB 1 TB HDD 4096 x 2304 Display Mac OS Includes Keyboard and Mouse - Walmart.com
![Refurbished: Apple A Grade Desktop Computer iMac 21.5-inch (Retina 4K) 3.6GHZ Quad Core i7 (Mid 2017) MNE02LL/A-BTO 24 GB 2 TB SSD 4096 x 2304 Display Mac OS Includes Keyboard and Mouse - Newegg.com Refurbished: Apple A Grade Desktop Computer iMac 21.5-inch (Retina 4K) 3.6GHZ Quad Core i7 (Mid 2017) MNE02LL/A-BTO 24 GB 2 TB SSD 4096 x 2304 Display Mac OS Includes Keyboard and Mouse - Newegg.com](https://c1.neweggimages.com/productimage/nb640/A8HFS2310250CECIQ67.jpg)
Refurbished: Apple A Grade Desktop Computer iMac 21.5-inch (Retina 4K) 3.6GHZ Quad Core i7 (Mid 2017) MNE02LL/A-BTO 24 GB 2 TB SSD 4096 x 2304 Display Mac OS Includes Keyboard and Mouse - Newegg.com
![Amazon.com: 2019 Apple iMac with Retina 4K/3.6 GHz Intel Core i3 Quad-Core (21.5-Inch, 8GB RAM, 1TB) - Silver (Renewed) : Electronics Amazon.com: 2019 Apple iMac with Retina 4K/3.6 GHz Intel Core i3 Quad-Core (21.5-Inch, 8GB RAM, 1TB) - Silver (Renewed) : Electronics](https://m.media-amazon.com/images/I/511AheCcg6L.jpg)
Amazon.com: 2019 Apple iMac with Retina 4K/3.6 GHz Intel Core i3 Quad-Core (21.5-Inch, 8GB RAM, 1TB) - Silver (Renewed) : Electronics
![Amazon.com: Apple iMac 21.5 inches Retina 4K i5-8500 8 256GB SSD Radeon Pro 560X Silver MHK33LL (Renewed) : Electronics Amazon.com: Apple iMac 21.5 inches Retina 4K i5-8500 8 256GB SSD Radeon Pro 560X Silver MHK33LL (Renewed) : Electronics](https://m.media-amazon.com/images/I/91Doy9NaHJL.jpg)
Amazon.com: Apple iMac 21.5 inches Retina 4K i5-8500 8 256GB SSD Radeon Pro 560X Silver MHK33LL (Renewed) : Electronics
![Amazon.com: Apple iMac MK452LL/A 21.5-Inch 4K Retina Display Intel Core i7 3.3GHz 16GB RAM 256GB SSD (Renewed) : Electronics Amazon.com: Apple iMac MK452LL/A 21.5-Inch 4K Retina Display Intel Core i7 3.3GHz 16GB RAM 256GB SSD (Renewed) : Electronics](https://m.media-amazon.com/images/I/710Lq-tQgPL.jpg)