New 21.5-inch iMac least repairable yet due to lack of RAM, hard drive upgradability - 9to5Mac
Amazon.com: Apple iMac (21.5-inch, 8GB RAM, 256GB SSD Storage) : Electronics
Amazon.com: 2017 Apple iMac with Intel Core i5 (21.5-inch, 8GB RAM, 1TB Storage) - Silver (Renewed) : Electronics
Buy Used & Refurbished Apple iMac 21.5-inch (Mid-2014) 1.4GHz Core i5 500GB HDD 16GB RAM MF883LL/A - iMac
Apple iMac 21.5" All-in-One Desktop Computer Core i5-4570R 2.7GHz 8GB RAM 250GB HDD Mac OS Mojave Late-2013 w/ Keyboard & Mouse
Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown
Amazon.com: Late-2015 Apple iMac 21.5 with 4K Retina Display/3.1GHz Intel Core i5-5675R Quad-Core (21.5-inch, 8GB RAM, 1TB) (Renewed) : Electronics
Apple's New 21.5 Inch iMac Has Upgradeable Parts — That's a Huge Deal
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Review: 21.5-inch 2012 iMac takes two steps forward, one step back | Ars Technica
Amazon.com: Apple iMac (21.5-inch, 8GB RAM, 256GB SSD Storage) : Electronics
Apple iMac 21.5" Core i5-4570R 2.70 GHz, 8GB RAM, 1TB HDD, 10.15.6 Lat – PC Retro Shop
Install memory in an iMac - Apple Support
How to Upgrade/Replace the Memory in a 21.5-inch iMac (2019) iMac19,2 - YouTube
Apple 21.5" iMac (Mid 2017) MMQA2LL/A 2.3 GHz Intel Core i5 Dual-Core
OWC Tears Down iMac Retina 4K, Confirms Memory Is Soldered
Apple iMac 21.5" Core i5-4570R 2.70 GHz, 8GB RAM, 1TB HDD, 10.15.6 Lat – PC Retro Shop
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Memory Upgrades for iMac 21.5-Inch 2019
Apple A1418 iMac 21.5" All-In-One 2.7GHz i5 8GB RAM 1TB HDD macOS 10.1
21.5-inch 3.0GHz 6-core Core i5 iMac (2019) review | Macworld
Restored Apple iMac 21.5" All-in-One Computer, Intel Core i5, 8GB RAM, 1TB HD, macOS 10.15 Catalina, Silver, MD093LL/A (Refurbished) - Walmart.com
Teardown of New 4K 21.5-inch iMac Reveals Removable RAM and Modular CPU - MacRumors
