StarTech.com M.2. PCI-e NVMe to U.2 (SFF-8639) Adapter - Not Compatible with SATA Drives or SAS Controllers - For M.2 PCIe NVMe SSDs - PCIe M.2 Drive to U.2 Host Adapter -
NFHK PCI-E SFF-8654 to U.2 Kit NGFF M-Key to Slimline NVME PCIe SSD SATA Adapter | eBay
Verilux®PCI-E PCI Express 3.0 X4 to NVME M.2 NVME to NVME SSD PCI-e 3. – verilux
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 :