64GB RAM upgrade kit for 21.5-inch iMAC now offered by OWC - 9to5Mac
A-Tech 16GB (2x8GB) 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 Kit at Amazon.com
64GB Memory Upgrade Kit for 21.5-inch Apple iMac 2017
Adamanta 16GB (2x8GB) Memory Upgrade Compatible for 2017 Apple iMac 27"/21.5" Retina 5K/4K or Non-Retina Display DDR4 2400MHz PC4-19200 SODIMM 1Rx8 CL17 1.2v Single Rank RAM DRAM at Amazon.com
iMac Intel 21.5" EMC 2428 RAM Replacement - iFixit Repair Guide
iMac 21.5-inch (2017) Review: Ultimate Refinement | Macworld
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
How to Upgrade/Install Memory in a 21.5-inch iMac (Mid 2017) iMac18,1 iMac18,2 - YouTube
NEMIX RAM 32GB (2X16GB) SODIMM Memory Upgrade Kit DDR4 2400MHz PC4-19200 Compatible with Apple iMac 2017 27-inch w/Retina 5K, 21.5-inch w/Retina 4K/Non-Retina 4K iMac 18,1 / iMac 18,2 / iMac 18,3 at
Apple's New 21.5 Inch iMac Has Upgradeable Parts — That's a Huge Deal
iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement - iFixit Repair Guide
8GB Apple iMac 2017 21.5" Non-Retina RAM Upgrade iMac18,1
Teardown of New 4K 21.5-inch iMac Reveals Removable RAM and Modular CPU - MacRumors
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Timetec 16GB Compatible for Apple 2017 iMac (27-inch w/Retina 5K, 21.5-inch w/Retina
The New 2017 iMac: Notes & Tidbits on RAM - The Mac Observer
