How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider
Upgrading an older iMac's PCIe SSD: Third-party solutions that save you beaucoup bucks
How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider
NGFF/NVMe M.2 2280 SSD Converter for MACBOOK Air/Pro 2013 2014 2015 2016 2017 A1465 A1466 A1398 A1502 iMAC A1418 Mac mini A1347 (SSD is not included) - WIT Computers
SOLVED: additional ssd in the a1418 late 2013? - iMac Intel 21.5" EMC 2638 - iFixit
The OWC Aura Pro X2 SSD Review: An NVMe Upgrade For Older Macs
Fledging 256GB Feather M13-S PCIe NVMe Gen 3.0x4 SSD Upgrade – DIY kit & OS Included – Compatible with Apple MacBook Air (2013-2015) & Pro (2013-2016), Mac Mini (2013) & Pro (2014), iMac (2013-2019) | Pricepulse
Upgrading an older iMac's PCIe SSD: Third-party solutions that save you beaucoup bucks