SFF-8644 Mini SAS HD male split to four independent SFF-8482 29Pin female ports; Integrated separate 4Pin power lines, simultaneously supply power to SAS/SATA hard drives; Stable 6Gbps transmission bandwidth, ideal for enterprise server and NAS disk arrays; 100cm sufficient length for tidy wiring inside rack chassis and storage enclosures; Gold-plated contacts & shielding wire reduce interference, support long-term continuous operation