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 :
256GB M.2 PCIE NVMe Solid State Drive | MemoryC
Western Digital Blue SN570 WDS100T3B0C 1 TB Solid State Drive, M.2 2280 Internal, PCI Express NVMe (PCI Express NVMe 3.0 x4) - Walmart.com