Mini SAS HD to 4×SAS SFF-8643 host to four SFF-8482 29-pin drive ends with 15-pin power; designed for internal storage expansion and RAID builds.; SAS3 12Gbps rated connectors and cable for enterprise throughput; backward-compatible in mixed SAS/SATA environments.; Forward breakout (not reverse) connect HBA/RAID (LSI/Broadcom 93xx/94xx) to four SAS drives; not for reverse wiring to controllers/backplanes.; 0.5 m compact run for short, tidy routes from HBA to hot-swap cages or direct-mount drives in 2U/4U rackmount/workstation chassis.; Broad compatibility for NAS/Workstation/Server builds great with TrueNAS, Unraid, Proxmox, ESXi; fits server backplanes and common trays.