2in1 breakout design converts single SFF8644 Mini SAS HD port to dual SFF8482 SATA drive ports; 28AWG lowloss pure copper wire ensures stable 12Gbps highspeed data transmission; Externaltointernal conversion supports server, JBOD and multidrive storage expansion; 1meter length enables flexible routing in rackmount servers, NAS enclosures and storage arrays; Shielded wire harness reduces interference, ideal for enterprisegrade HDD/SSD and RAID systems