New 21.5-inch iMac least repairable yet due to lack of RAM, hard drive upgradability - 9to5Mac
SOLVED: 2015 21.5" ram upgrade - iMac Intel 21.5" Retina 4K Display (2015) - iFixit
![How to upgrade RAM in the (Mid 2017) 5K iMac and save up to ~$900 [Video] - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2017/06/ram-upgrade-complete-imac-2017-5k.jpg?quality=82&strip=all "How to upgrade RAM in the (Mid 2017) 5K iMac and save up to ~$900 [Video] - 9to5Mac")
How to upgrade RAM in the (Mid 2017) 5K iMac and save up to ~$900 [Video] - 9to5Mac
iMac Soldered RAM Upgrade (Late 2015): 16GB - YouTube
OWC Tears Down iMac Retina 4K, Confirms Memory Is Soldered
iMac Intel 21.5" Retina 4K Display Teardown - iFixit
SOLVED: How do I increase my RAM/Memory 2015? - iMac Intel 21.5" Retina 4K Display (2015) - iFixit
Apple iMac 2015 (mid) 21.5-inch SSD & macOS X Upgrades - ZD Laptop Service Centre
Apple iMac with 4K Retina display (21.5-inch, 2015) review: Apple packs more pixels into its smallest iMac - CNET
Apple 21.5-inch 4K iMac Teardown Reveals Upgradeable Kaby Lake CPU And RAM | HotHardware
A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
Memory Upgrades for iMac w/ Retina 5K Display Late 2015
Timetec 8GB Compatible for Apple Late 2015 iMac (27-inch w/Retina 5K Display) DDR3L 1867MHz / 1866MHz PC3L-14900 2Rx8 CL13 1.35V 204 Pin SODIMM Memory Module MAC RAM Upgrade for iMac 17,1 at Amazon.com
Apple iMac 21.5 (Late 2015) - Core i5 2.8GHz, 8GB RAM, 1TB HDD (Renewed) : Amazon.co.uk: Computers & Accessories
Teardown of New 4K 21.5-inch iMac Reveals Removable RAM and Modular CPU - MacRumors
Apple 21.5" iMac with Retina 4K Display (Late 2015) MK452LL/A
iMac RAM Upgrade 8GB-32GB (Late 2015) - YouTube
iMac Repair & Upgrade, Same Day Services
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
