Mini sas 36 sff-8087 to sff-8482 sas forward breakout, internal mini sas 36pin sff-8087 sas connector male connect to sas raid controller or motherboard, 4x sas sff-8483 connectors with sata power connect to backplane or 4 hdd, each sas SFF8482 adapter contain sata 7pin data and data 15pin power adapter, middle SAS NO pin, Note: sff-8087 to 4 sff-8482 cable do Not work with SAS Driver, Donot connecter Mini SAS SFF-8087 on your backplane, otherwise the mini sas to sas breakout will not work with them. Mini sas to 4 sas/ sff-8087 host to sff-8482 target, sas 8087 host connect to sas hba or pcie controller, mini sas 36pin sff-8087 to 4 sff-8482 connectors with sata power port link between the serial scsi controller and the sata disks, need to attach SATA power supply cables for each sas to sata adapter connector, sas 8087 8482 cable data transfer rate up to 6Gbs per drive.