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 :
StarTech.com Dual M.2 PCIe SSD Adapter Card, x8 / x16 Dual NVMe or AHCI M.2 SSD to PCI Express 4.0, Up to 7.8GBps/Drive, For 2242/2260/2280/22110mm PCIe M-Key M2 SSDs, Bifurcation Required
Adapter, M.2 to U.2 - M.2 PCIe NVMe SSDs - Drive Adapters and Drive Converters | StarTech.com