NVMe external adapter U.2 (SFF-8639) to NVMe M.2 and PCIE x4 slot
U.2 to M.2 NVMe SSD for PCIe Gen4 Adapter
U2 U.2 NVMe SSD to PCI E 3.0 x4 SFF 8639 NVMe PCIe Data Cable High Rate Transmission 32G/bps 5/10/15/20/30/40/50/60CM Cabo|Computer Cables & Connectors| - AliExpress
PCIE Riser PCI Express 3.0 X4 to U.2 SFF 8639 Adapter PCIe U2 SSD to PCI E Expansion Card PCI Express x4 to 2.5" SATA Riser Card|Add On Cards| - AliExpress
ST PEX4SFF8639: Adapter, U.2 to PCIe - 2.5" U.2 NVMe SSD at reichelt elektronik