The Connector Formerly Known as SFF-8639 - Now Called U.2 - PC Perspective
Quad Bay U.2 NVMe SSD Backplane Cage with with OCulink Connector
U.2 is for Enterprise Servers. This M.2-U.2 Adaptor -Ninja - 1150 - YouTube
Fusion Dual U.2 SSD PCIe Card – SONNETTECH
U2 U.2 NVMe SSD to PCI-E 3.0 x4 SFF-8639 NVMe PCIe Data Cable
U.2 SFF-8639 NVMe SSD to M.2 NGFF PCI-e Adapter with Cable - Walmart.com
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 -
Adapter, U.2 to M.2 - 2.5” U.2 NVMe SSD - Drive Adapters and Drive Converters | Hard Drive Accessories | StarTech.com France (en)
U.2 NVMe SSD to PCIE 3.0 x4 SFF8639 NVMe PCIe Extension Data Cable MDY-R27SF