Description: U.2 (SFF-8639) NVMe PCIe to Mini SAS (SFF-8643) SSD Cable. Use this cable to connect a U.2 port (SFF-8639) to a mini SAS HD (SFF-8643) connector. U.2 Ports come in M.2 Adapters that use M-key (NVMe). For Intel 750 SSD SFF-8643 Mini SAS HD. Hyper Kit Storage Controller Ultra M.2 PCIe 3.0 x4 Cable only Package Includes: 1 Piecex SAS SFF8643 To SFF8639 Cable