late 2013 imac proccesor upgrade help | MacRumors Forums
How to upgrade RAM iMac late 2013 21.5inch - break & fix MOVIE - YouTube
I got a FREE 2013 iMac 21.5 with internal upgrades including Samsung evo ssd and 16gigs of ram. Then used open legacy patcher to install Mac OS Venture 13.5 beta. : r/osx
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
Late 2013 iMac updated to Sonoma - runs absolutely fine. : r/OpenCoreLegacyPatcher
Install memory in an iMac - Apple Support
Apple iMac 21.5-Inch (Late 2013) "Core i5" 8GB RAM 1TB HDD Intel Iris Pro | eBay