Internal Mini SAS SFF-8643 to (4) 29pin SFF-8482 connectors with power connecting a SAS controller (SFF-8643) to four SATA/SAS disks (SFF-8482)
Please note that Mini SAS (SFF-8643) is host, 4 SAS 29 (SFF-8482) is target, internal Mini Serial Attached SCSI x4 (SFF-8643) to (4) x1 (SFF-8482) Serial Attached SCSI (controller based) fan-out cables
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
Mini SAS (SFF-8643) connect to the controller, 4 SAS connect to the HDD (hard disc driver)