How to Upgrade iMac Pro SSD (Replace Storage): EveryMac.com
maxupgrades.com: Single SSD Drives kit for iMac 27 inch 2012 Models with SATA Blade SSD Module / Heatsink/ Power Cable and DATA Cables for [SSD + HDD] with iMac Adhesive LCD Tape
iMac 27" 2013 SSD upgrade - IT-Tech Online
Where is my iMac A1419 SSD? - Ask Different
How to Install a PCIe SSD in a 27-inch iMac (2019)
iMac 5K Retina Late 2015 - 2019 SSD - Macfixit Australia
Amazon.com: Deal4Go SSD Hard Drive Cable HDD SATA Data Power Cable 593-1330 923-0312 Replacement for iMac 27" A1419 2012 2013 2014 2015 2017 A2115 2019 : Electronics
Starting config. for 2019 iMac SSD upgrade: Fusion or SSD? | MacRumors Forums