Amazon.com: 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 -
What is U.2 SSD (formerly SFF-8639)? | Definition from TechTarget
What is U.2 SSD (formerly SFF-8639)? | Definition from TechTarget