Amazon.com: M.2 NVME SSD Convert Adapter Card for Upgrade MacBook Air ( 2013-2017 ) : Electronics
Air Pro Box SSD 2013 for 3.2 for M.2 Macbook Adapter 2017 SSD Retina USB NVME M2 | eBay
M.2 NVME SSD Convert Adapter Card for Upgrade MacBook Air (2013-2017) | eBay
USB 3.2 NVME MAC SSD Case Box Solid State Disk Enclosure For 2013-2017 12+16PIN Apple Macbooks Air Pro - AliExpress
Amazon.com: OWC 2.0TB Aura Pro X2 SSD Compatible with MacBook Air (Mid 2013- 2017), and MacBook Pro (Retina, Late 2013 - Mid 2015), and Mac Mini (Late 2014) : Electronics
How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider