Late 2013 iMac updated to Sonoma - runs absolutely fine. : r/OpenCoreLegacyPatcher
How to Upgrade Memory in a 27-inch iMac (Late 2012-2013) iMac13,2 and iMac14,2 - YouTube
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
HOW I UPGRADED MY iMAC 21.5in Late 2013 MODEL (SSD & RAM UPGRADE) - YouTube
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
iMac Intel 21.5" EMC 2638 RAM Replacement - iFixit Repair Guide
Apple iMac 21.5-inch and 27-inch (Late 2013) reviews | Macworld
Apple iMac 21.5" All-in-One Desktop Computer Core i5-4570R 2.7GHz 8GB RAM 250GB HDD Mac OS Mojave Late-2013 w/ Keyboard & Mouse
21.5 inch late 2013 iMac - RAM upgrade - Apple Community
Apple iMac 21.5" Core i5-4570R 2.70 GHz, 8GB RAM, 1TB HDD, 10.15.6 Lat – PC Retro Shop
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
Apple iMac 2013 (Late) 21.5-inch (iMac 14,3) SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
21.5-inch iMac (Late 2013) Review: Iris Pro Driving an Accurate Display
A-Tech 8GB Kit (2x4GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
Apple iMac 21.5-inch 2.7GHz Quad-core i5 (Late 2013)
16GB -2x8GB Memory Ram Upgrade 21.5" Apple iMac-14.1 Core i5 2.7GHz Late 2013 | eBay
Apple iMac Memory - Intel Core i5 2.9GHz Quad-Core 21.5" Late 2013 ME087LL/A - DMS
Apple iMac 21.5-Inch "Core i7" 3.1 (2013) 16GB RAM 1TB HDD BTO/CTO – Coretek Computers
How to Upgrade RAM on iMac - A Performance Uprade - devonbuy.com
820-3482-A) Logic Board - iMac 21.5″ A1418 (Late 2013)
How to upgrade RAM iMac late 2013 21.5inch - break & fix MOVIE - YouTube
2013 iMac teardowns reveal SSD slots, soldered-in CPU in the 21.5” model | Ars Technica
Install memory in an iMac - Apple Support
