![Buy Used & Refurbished Apple iMac Retina 4K 21.5-inch 3.0GHz Six-core i5 (Early 2019) MRT42LL/A - Excellent Condition - iMac Buy Used & Refurbished Apple iMac Retina 4K 21.5-inch 3.0GHz Six-core i5 (Early 2019) MRT42LL/A - Excellent Condition - iMac](https://techable.com/images/detailed/24/apple-imac-retina-4k-21.5-inch-3.0ghz-six-core-i5-early-2019-mrt42ll-a-apple-imac-retina-4k-21.5-inch-3.0ghz-six-core-i5-early-2019-mrt42ll-a-excellent-condition.jpeg)
Buy Used & Refurbished Apple iMac Retina 4K 21.5-inch 3.0GHz Six-core i5 (Early 2019) MRT42LL/A - Excellent Condition - iMac
![Amazon.com: Apple 2020 iMac with Retina 4K Display (21.5-inch, 8GB RAM, 256GB SSD Storage) : Electronics Amazon.com: Apple 2020 iMac with Retina 4K Display (21.5-inch, 8GB RAM, 256GB SSD Storage) : Electronics](https://m.media-amazon.com/images/I/41mctweHopL._AC_SY1000_.jpg)
Amazon.com: Apple 2020 iMac with Retina 4K Display (21.5-inch, 8GB RAM, 256GB SSD Storage) : Electronics
Apple launches new Retina 4K 21.5-inch iMac, all 27-inch iMacs now feature Retina 5K displays - 9to5Mac
![Refurbished: Apple iMac 21.5" Retina 4K Display Desktop (3.1 GHz Intel Core i5 Quad-Core, 8GB RAM, 1TB HDD, Mac OS X) - Newegg.com Refurbished: Apple iMac 21.5" Retina 4K Display Desktop (3.1 GHz Intel Core i5 Quad-Core, 8GB RAM, 1TB HDD, Mac OS X) - Newegg.com](https://c1.neweggimages.com/ProductImage/ABMT_1312758669157761488aauKmul5x.jpg)
Refurbished: Apple iMac 21.5" Retina 4K Display Desktop (3.1 GHz Intel Core i5 Quad-Core, 8GB RAM, 1TB HDD, Mac OS X) - Newegg.com
![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/41WbOjmXvzL._AC_.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 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/61Kimc4ZXPL.jpg)
Amazon.com: Apple iMac MK452LL/A 21.5-Inch 4K Retina Display Intel Core i7 3.3GHz 16GB RAM 256GB SSD (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/9e2ffe60f37c1b0381bedab11bb72fe0346fab75/hub/2015/10/09/54f1edc6-361b-4d74-be8f-b80c9272e8f2/apple-imac-with-4k-retina-display-21-5-inch-2015-22.jpg?auto=webp&width=768)
Apple iMac with 4K Retina display (21.5-inch, 2015) review: Apple packs more pixels into its smallest iMac - CNET
![Computers & Electronics :: iMac :: Apple iMac Retina 4K 21.5-inch 3.2GHz Six-core i7 (Early 2019) MRT32LL/A (BTO) Computers & Electronics :: iMac :: Apple iMac Retina 4K 21.5-inch 3.2GHz Six-core i7 (Early 2019) MRT32LL/A (BTO)](https://techable.com/images/thumbnails/1118/1024/detailed/35/apple-imac-retina-4k-21.5-inch-3.2ghz-six-core-i7-early-2019-mrt32ll-a-bto-apple-imac-retina-4k-21.5-inch-3.2ghz-six-core-i7-early-2019-mrt32ll-a-bto.jpg)
Computers & Electronics :: iMac :: Apple iMac Retina 4K 21.5-inch 3.2GHz Six-core i7 (Early 2019) MRT32LL/A (BTO)
![Apple 21.5-inch iMac with Retina 4K display MHK23LL/A: 3.6GHz quad-core 8th-generation Intel Core i3 processor, 8GB RAM, 256GB SSD (Early 2020) | Portable One, Inc (2023) Apple 21.5-inch iMac with Retina 4K display MHK23LL/A: 3.6GHz quad-core 8th-generation Intel Core i3 processor, 8GB RAM, 256GB SSD (Early 2020) | Portable One, Inc (2023)](https://www.portableone.com/resize/shared/moved/0428ea15356e75c76091020baa948d4c.png?bw=550&w=550&bh=550&h=550)
Apple 21.5-inch iMac with Retina 4K display MHK23LL/A: 3.6GHz quad-core 8th-generation Intel Core i3 processor, 8GB RAM, 256GB SSD (Early 2020) | Portable One, Inc (2023)
![Review: Apple's 21.5-inch iMac with 4K Retina display is great, but skip the slow HDD model | AppleInsider Review: Apple's 21.5-inch iMac with 4K Retina display is great, but skip the slow HDD model | AppleInsider](https://photos5.appleinsider.com/archive/gallery/14797-10614-151031-iMac-1-l.jpg)
Review: Apple's 21.5-inch iMac with 4K Retina display is great, but skip the slow HDD model | AppleInsider
![Amazon.com: Apple 2020 iMac with Retina 4K Display (21.5-inch, 8GB RAM, 256GB SSD Storage) : Electronics Amazon.com: Apple 2020 iMac with Retina 4K Display (21.5-inch, 8GB RAM, 256GB SSD Storage) : Electronics](https://m.media-amazon.com/images/I/31qnon2uOYL._AC_SY1000_.jpg)