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 M.2 to U.2 Adapter - For M.2 PCIe NVMe SSDs - PCIe M.2 Drive to U.2 (SFF-8639) Host Adapter - M2 SSD Con... | Dell USA
SSD Interface Comparison: PCI Express vs SATA | Overclock.net