Connect a M.2 (B & M) key SSD into a B socket - Super User
M.2 NGFF SSD B Key M Key E Key Connector - MODDIY
M.2 Ssd M.2 Nvme M Key To M Key Ssd Adapter M.2 Sata B Key To B Key Extender Riser For Pc Accessories Computer Connector - Pc Hardware Cables & Adapters - AliExpress
Simplecom SA221 USB 3.0 to mSATA + NGFF M.2 (B Key) SSD 2 in 1 Combo Adapter
NVMe M.2 SSD to PCIe X16/X8/X4 Card - Sabrent
Amazon.com: M Key M.2 NGFF PCIe SSD to PCI Express 3.0 x4 Slot Converter Adapter Card Support M Key M.2 PCIe (NVMe, AHCI) Channel 2280, 2260, 2242, 2230 SSD : Electronics