64GB RAM upgrade kit for 21.5-inch iMAC now offered by OWC - 9to5Mac
Used Apple iMac 21.5-inch (Retina 4K) 3.6GHZ Quad Core i7 (Mid 2017) MNE02LL/A-BTO - GainSaver
Install memory in an iMac - Apple Support
Apple iMac 21.5-Inch With 4K Retina Display (2017) Review | PCMag
Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider
iMac 21.5" 4K Mid-2017 | K-12 Tech Solutions | Tech to School
How to Upgrade iMac Hard Drive or SSD 2012-2022: EveryMac.com
Apple iMac with Retina 4K Display (21.5-inch, 8GB RAM, 256GB SSD Stora – HHgregg Electronics
iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement - iFixit Repair Guide
Apple 21.5" Certified Refurbished iMac Desktop Intel Core i5 2.3GHz 8GB Memory 1TB HDD (2017) Silver MMQA2LL/A - Best Buy
OWC Tears Down iMac Retina 4K, Confirms Memory Is Soldered
Upgrade your iMac with OWC, 2017 4K Retina Edition
Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown
21.5-inch 3.0GHz 6-core Core i5 iMac (2019) review | Macworld
Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac
iMac 21.5" 2.7Ghz i5 RAM & SSD UPGRADE 2017 - YouTube
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
iMac 21.5-inch Retina (Mid-2017) Core i5 3.0GHz - HDD 1 TB - 8GB | Back Market
Apple 21.5" iMac with Retina 4K Display (Mid 2017)
Timetec 32GB KIT(2x16GB) Compatible for Apple 2017 iMac (27-inch w/Retina 5K, 21.5-inch
iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement - iFixit Repair Guide
iMac 21.5-inch (2017) Review: Ultimate Refinement | Macworld
