M.2 NVMe SSD NGFF TO PCIE 3.0 x16 x8 x4 Adapter M Key Interface Card Full Speed | eBay
PCIe 3.0 to NVMe (4) M.2 Adapter for M.2 (M Key) SSD, X16
PCIe x16 ASM2824 to 4 port M.2 NVMe SSD Adapter expansion card Quad mkey nvme to pci-e converter - AliExpress
Amazon.com: A ADWITS PCI Express 3.0 x16 to PCIe-Based NVMe and AHCI SSD Adapter Card with Heat Sink, Fits M.2 (NGFF) Form Factor with Key M in Size 2230/2242/2260/2280 : Electronics