CABLEDECONN Internal HD Mini SAS (SFF-8643 Host) to 4X SATA (Target) Hard Drive Cable (100CM) Please note: This Mini SAS (SFF-8643) TO 4x SATA cable, SFF-8643 is host, connect to the Motherboard or RAID controller with mini SAS ports. 4x7pin SATA is the target, connect to the hard drives with SATA port Before you buy this cable, Please make sure the Mini SAS (SFF-8643) on your motherboard or RAID controller. If the Mini SAS (SFF-8643) on your backplane, this cable will not work with them Sff-8643: the new connector uses less PCB real estate and allows higher port density for internal hosts and devices. Hybrid versions of these new cables will allow for a smooth transition from 6GB to 12GB Serial Attached SCSI (SAS) is a high-speed data storage interface designed for high-throughput and Fast data access cable length 1M Warranty policy: 18 month worry-free Warranty, 24 hr. dedicated email customer Support, High quality cutting edge technology at affordable prices