A list of successful iMac 27" (2012-2019) SSD upgrades | Page 39 | MacRumors Forums
Upgrade SSD Apple iMac 21.5 slim A1418
How to Install/Upgrade the PCIe SSD in a 27-inch iMac (Late 2014 - Mid 2015) iMac15,1 - YouTube
Clean install of Sonoma on a 2014 5K iMac. It's the top of the line model with an Apple SSD upgrade too. It's running AMAZING. Haven't had a problem. I7-4790K, 32GB RAM,