Apple iMac 2019 (Early) 21.5-inch (Retina 4k) OSX , Ram & SSD Upgrades - ZD Laptop Service Centre
A1418 Solid State Drive SSD 32GB for Apple iMac 21.5-inch A1418 A2116 iMac 27-inch A1419 A2115 (Mid 2017- Mid 2019)
NEW 2012 2019 Year ssd for Apple 21.5" iMac All in One Desktop Computer A1418 A1419 Solid State Drive 128G 512G 2TB IMAC SSD|Computer Cables & Connectors| - AliExpress
Simplymacsg - Ram and SSD upgrade for iMac 21.5" from year... | Facebook
How to upgrade / replace PCIe SSD in a 21.5-iMac (2019)