Amazon.com: Sedna PCI Express (PCIe) SATA III (6G) SSD Adapter with 1 SATA III Port (with Built in Power Circuit, no Need SATA Power Connector, Best for Mac), SSD not Included :
Amazon.com: M.2 NVMe SSD NGFF to PCIE 3.0 X16 /X4 Adapter M Key Interface Card Support PCI Express 3.0 x4 2230-2280 Size m.2 Full Speed (Black Gold) : Electronics
M2.pcie Ssd Adapter M.2 Ssd Nvme Pcie M.2 To Pcie M2 To Pci E Nvme Converter Nvme/m2 M Key 2230-2280 Pci Express X4 X8 X16 Card - Add On Cards & Controller