This U.2 dual port to SFF-8674 1x2, 4X(external Mini SAS HD) converter has a built-in SFF-8674 1x2, 4X, 30" connector, two U.2 SFF-8639, 30u" connectors, a programmable current limit, a programmable inrush current slew rate, a thermal shutdown protection and fault alert, and LED indicators. Micro SATA Cables PN # MS-2028-DU2