![Apple 21.5" Certified Refurbished iMac 4K Intel Core i5 3.1GHz 8GB Memory 1TB HDD (2015) MK452LL/A - Best Buy Apple 21.5" Certified Refurbished iMac 4K Intel Core i5 3.1GHz 8GB Memory 1TB HDD (2015) MK452LL/A - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6507/6507195_sd.jpg)
Apple 21.5" Certified Refurbished iMac 4K Intel Core i5 3.1GHz 8GB Memory 1TB HDD (2015) MK452LL/A - Best Buy
![Amazon.com: Late-2015 Apple iMac with 2.8GHz Intel Core i5 Quad-core (21.5-Inch, 8GB RAM, 1TB) (Renewed) : Electronics Amazon.com: Late-2015 Apple iMac with 2.8GHz Intel Core i5 Quad-core (21.5-Inch, 8GB RAM, 1TB) (Renewed) : Electronics](https://m.media-amazon.com/images/I/61XD1dMZgnL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Late-2015 Apple iMac with 2.8GHz Intel Core i5 Quad-core (21.5-Inch, 8GB RAM, 1TB) (Renewed) : Electronics
![Apple iMac 21.5" (Model 2015)- Core i5 1.6GHz Processor 8GB RAM 1TB HDD Wi-Fi Webcam OS Mojave USED - Walmart.com Apple iMac 21.5" (Model 2015)- Core i5 1.6GHz Processor 8GB RAM 1TB HDD Wi-Fi Webcam OS Mojave USED - Walmart.com](https://i5.walmartimages.com/asr/01d4b3e3-4f86-41d4-b0e3-270ab5dc2672.43d043eb7276dcaf02e203b0ca2f9f4d.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Apple iMac 21.5" (Model 2015)- Core i5 1.6GHz Processor 8GB RAM 1TB HDD Wi-Fi Webcam OS Mojave USED - Walmart.com
![Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown](https://cdn.wccftech.com/wp-content/uploads/2017/06/4K-21.5-inch-iMac-teardown-3.jpg)
Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown
![Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown](https://cdn.wccftech.com/wp-content/uploads/2017/06/4K-21.5-inch-iMac-teardown-2.jpg)
Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown
![A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com](https://m.media-amazon.com/images/I/91-zBOrgqXL.jpg)
A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
![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/12ec4a642a78c88eb17dda98c86781a0a70a632f/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=675&width=1200)