Amazon.com: SinLoon PCI E X1 M.2 Adapter M.2(NGFF) M Key SSD to PCI-e X1 Card M.2 NVME to PCI Express Adapter for M.2 SSDs with PCI-E (M-Key) Interface Type : Electronics
Renov8 Adapter from 12+16 pin Apple SSD proprietary connector to M.2 with M -key
2 In 1 M.2 Nvme Ssd To U.2 Adapter And Sata-Bus Ngff Ssd To Pci-E U.2 Sff-8639 | eBay
Amazon.com: M.2 SATA SSD to USB 3.0 External SSD Reader Converter Adapter Enclosure with UASP, Support NGFF M.2 2280 2260 2242 2230 SSD with Key B/Key B+M(Can't Fit for PCIe NVMe/PCIe AHCI
Amazon.com: Sintech nVME USB SSD Card,USB 3.0 M.2(NGFF) M Key SSD External Case Box with USB 3.1 Type C Connector(Not Support M.2 SATA SSD) : Electronics
Understanding M.2, the interface that will speed up your next SSD | Ars Technica