Builtin IC chip enhances signal stability for longdistance & highspeed transmission; 1to4 breakout: Single SFF8644 external Mini SAS HD port to four independent SATA 7pin ports; Supports up to 6Gbps bandwidth for server HDD, SSD and RAID system interconnection; 28AWG highpurity copper wire delivers lowloss, reliable data transfer performance; 0.5 m short length ideal for compact server, NAS and external storage enclosure wiring