Amazon.com: Odyson - 1TB SSD (PCIe 3.0 x4, SSUBX) Replacement for MacBook Pro, iMac, Mac Pro, Mac Mini (Late 2013-2015) : Electronics
How to Upgrade/Replace the PCIe SSD in a 21.5-inch iMac (Late 2013) iMac14,1 iMac14,3 - YouTube
How to Install/Upgrade the PCIe SSD in a 27-inch iMac (Late 2014 - Mid 2015) on Vimeo
iMac 17,1 replace pcie ssd - Apple Community
Amazon.com: LEVEN 1TB Mac Upgrade NVMe SSD PCIe Gen3x4 Compatible with Apple MacBook Air (2013-2017) & Pro (2013-2015), Mac Mini (2013) & Pro (2014), iMac (2013-2019) : Electronics
How to Install/Upgrade the PCIe SSD in a 27-inch iMac (Late 2014 - Mid 2015) iMac15,1 - YouTube
DIY Bundle - 2TB OWC 6G SSD and HDD Kit for 27-Inch iMac
How to Install/Upgrade the PCIe SSD in a 21.5-inch iMac (Mid 2017) on Vimeo