Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider
iMac 21.5-inch 4K (2017) Review | Trusted Reviews
Apple 21.5in iMac with Retina 4K display (2017) review | Stuff
Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac
Configure your own 21.5-inch Apple iMac (2017) at OWC
21.5-inch 3.0GHz 6-core Core i5 iMac (2019) review | Macworld
iMac (Retina 4K, 21.5-inch, 2017) - Technical Specifications
Install memory in an iMac - Apple Support
A-Tech 32GB (2x16GB) RAM for Apple iMac 2017 (27 inch Retina 5K & 21.5 inch Retina 4K) | DDR4 2400MHz SODIMM PC4-19200 2Rx8 1.2V 260-Pin SO-DIMM Memory Upgrade Kit at Amazon.com
Review: Apple's 21.5-in., 3.4GHz 'Kaby Lake' 2017 iMac | Computerworld
Install memory in an iMac - Apple Support
How to Upgrade/Install Memory in a 21.5-inch iMac (Mid 2017) iMac18,1 iMac18,2 - YouTube
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 RAM upgrade kit for 21.5-inch iMAC now offered by OWC - 9to5Mac
2017 21.5-inch 4K iMac memory upgrade kit includes 32GB of RAM, tools to take it apart | AppleInsider
Teardown of New 4K 21.5-inch iMac Reveals Removable RAM and Modular CPU - MacRumors
Apple iMac with Retina 4K Display (21.5-inch, 8GB RAM, 256GB SSD Storage, Intel Core i5) - Walmart.com
A-Tech 32GB (2x16GB) RAM for Apple iMac 2017 (27 inch Retina 5K & 21.5 inch Retina 4K) | DDR4 2400MHz SODIMM PC4-19200 2Rx8 1.2V 260-Pin SO-DIMM Memory Upgrade Kit at Amazon.com
iMac 21.5-inch 4K (2017) Review | Trusted Reviews
iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement - iFixit Repair Guide
iMac 21.5-inch (2017) Review: Ultimate Refinement | Macworld
iMac Intel 21.5" Retina 4K Display (2017) RAM and SATA Hard Drive Upgrade - iFixit Repair Guide
