Description This SFF8639 male to female extension cable is 1 Meter in length. The SFF-8639 68-pin U.2 cable extension cable is a high-speed data transfer cable designed to connect storage devices such as solid-state drives (SSDs) to a computer's motherboard or storage controller. The cable has a length of 1 meter and features a 68-pin U.2 connector on one end and a male SFF-8639 connector on the other end. The SFF-8639 connector is a 38-pin connector that supports four lanes of PCIe 3.0 and two lanes of SATA 3.0, providing a maximum bandwidth of up to 32 Gbps. The U.2 connector is a 68-pin connector that supports up to four lanes of PCIe 3.0 and provides a maximum bandwidth of up to 32 Gbps. Micro SATA Cables PN# SFF-1143-1M