Amazon.co.jp: Convert Adapter M.2 NVME SSD (Key M) Key B SSD to U.2 SFF-8639 Black : Computers
NVMe to USB Adapter, RIITOP M.2 SSD to USB 3.1 Type-A Reader Compatible with Both M Key PCIe NVMe SSD & NGFF (B+M Key) SATA SSD Hard Drive / SSD Enclosures -
Amazon.co.jp: M.2 NVMe SSD NGFF to PCIe Adapter M.2 PCIe Adapter B Key/M Key to PCI-e 3.0 x 4 Host Controller Expansion Card with Low Profile Bracket, Dual M2 Adapter Support SSD:
PCEM2-1U PCIe NVMe M.2 adapter | Axagon
In The Lab: Netstor NP631N M.2 NVMe to PCIe Host Adapter - StorageReview.com
NVMe to USB Adapter, M.2 SSD to USB 3.1 Type A Card, Key Based PCIe Hard New | eBay