Amazon.com: SABRENT NVMe M.2 SSD to PCIe X16/X8/X4 Card with Aluminum Heat Sink (EC-PCIE) : Electronics
Amazon.com: M.2 NVME SSD M Key to PCIE X8 Adapter Card, PCIE to NVME Dual Drive Expansion Card, 32Gbps SSD PCIE 3.0/4.0 Adapter for Desktop PC, PCI E Full Channel Full Speed(ph45) :
StarTech.com - DUAL-M2-PCIE-CARD-B - M.2 PCIe SSD Adapter Card, x8/x16 to Dual NVMe/AHCI M.2 SSD, 2 Port - RS