NevMXM NVMe Adapter for A1311/A1312 iMac from iBoffRCC on Tindie
Apple iMac A1419 32GB NVME PCIe SSD Solid State Drive 656-0029D 661-03526
ACASIS 10Gbps to Mac SSD Enclosure for Apple MacBook Air Pro, iMac from 2013 to 2017 Flash 12+16 PIN SSD Compatible with M.2 Nvme SSD with Adapter, Mac3W - Walmart.com
How to Install/Upgrade the PCIe SSD in a 27-inch iMac (Late 2013) iMac14,2 - YouTube
KINGDATA High-Speed PCIe NVMe SSD 256GB Upgrade for Your MacBook, Boost Performance and Storage Capacity Internal Solid State Drive for MacBook Air/Pro/iMac - Walmart.com