Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
Apple iMac 21.5" A1418 Late 2013 i5-4570R 2.7GHz Iris Pro Logic Board 820-3588-A | eBay
Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
iMac Late 2013 Upgrade in 2020 CPU Ssd Ram MAX Out ... Worth it? | Shades Of Tech ⬡ - YouTube
Install memory in an iMac - Apple Support
SOLVED: Need more ram for iMac 21.5 late 2013 - iMac Intel 21.5" EMC 2638 - iFixit
Apple's new 'Assembled in USA' iMac a bear to upgrade, repair • The Register
iMac Intel 21.5" A1418 and A2116 (2012-2019) Adhesive Strips
A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
Upgrading an iMac — Buchanan Consulting
Install memory in an iMac - Apple Support
OWC 16GB (2 x 8GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Compatible with Mac Mini 2018, iMac 2019 and up, and Compatible PCs (OWC2666DDR4S16P) at Amazon.com
Apple iMac 21.5-inch and 27-inch (Late 2013) reviews | Macworld
How to Upgrade/Install Memory in a 21.5-inch iMac (Late 2012– Mid 2014) iMac14,1 iMac14,3 - YouTube