64GB RAM upgrade kit for 21.5-inch iMAC now offered by OWC - 9to5Mac
iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement - iFixit Repair Guide
Timetec 16GB Compatible for Apple 2017 iMac (27-inch w/Retina 5K, 21.5-inch w/Retina
Apple's new 21.5" iMac with 4K Retina screen has user replaceable RAM and modular CPU
A-Tech 8GB RAM for Apple iMac 2017 (27 inch Retina 5K & 21.5 inch Retina 4K) | DDR4 2400MHz SODIMM PC4-19200 1.2V 260-Pin SO-DIMM Memory Upgrade Module at Amazon.com
iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement - iFixit Repair Guide
Refurbished 2019 21.5 inch iMac with Retina 4k display MRT32LL/A - Buy Used iMac 2019 at Techable
Memory Upgrades for iMac 21.5-Inch 2017
21.5-inch 3.0GHz 6-core Core i5 iMac (2019) review | Macworld
iMac 21.5" 2.7Ghz i5 RAM & SSD UPGRADE 2017 - YouTube
Apple iMac 21.5-Inch With 4K Retina Display (2017) Review | PCMag
Apple iMac 27-Inch With 5K Retina Display (2017) Review | PCMag
Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider
Refurbished Apple iMac 18,2/i5-7400 3.0GHz/256GB SSD/32GB RAM/AMD Pro 555 2GB/21.5-inch 4K Retina Display/C (Mid - 2017) -Mac4sale
Restored Apple 21.5" All-in-One Computer, Intel Core i5, 8GB RAM, 1TB HD, Mac OS X 10.8, Silver, MNDY2LL/A (Refurbished) - Walmart.com
Timetec 32GB KIT(2x16GB) Compatible for Apple 2017 iMac (27-inch w/Retina 5K, 21.5-inch w/Retina 4K / Non-Retina 4K) DDR4 2400MHz PC4-19200 SODIMM MAC RAM Upgrade for iMac 18,1 / iMac 18,2 / iMac
iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement - iFixit Repair Guide
Configure your own 21.5-inch Apple iMac (2017) at OWC
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
How to UPGRADE RAM in the (Mid 2017) 5K iMac & save $$$! - YouTube
iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement - iFixit Repair Guide
How to Upgrade/Install Memory in a 21.5-inch iMac (Mid 2017) iMac18,1 iMac18,2 - YouTube
iMac Intel 21.5" Retina 4K Display (2017) RAM and SATA Hard Drive Upgrade - iFixit Repair Guide
2017 iMac
Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac
