For the SSD7120 NVMe U.2 RAID Controller, Compatible with U.2 Select SSDs, 1 x SFF-8643 Connector, 1 x U.2 SFF-8639 Connector, 1 x 15-Pin SATA Power Connector The SFF-8643 to U.2 SFF-8639 Cable from HighPoint has been tested with their SSD7120 NVMe U.2 RAID Controller as well as select U.2 SSDs from Intel Micron and the HGST Ultra series. It helps to ease integration and streamline maintenance and upgrade procedures.