1to4 breakout design: Single SFF8087 MiniSAS port to four SFF8482 connectors for multidrive expansion; Builtin SATA power adapter + extra 4×4pin power cables supply stable power to SAS/SATA hard drives; Highspeed reliable data transfer for enterprise RAID arrays, HDDs and SSDs; 1M/ 3.3FT length for flexible internal server wiring; 2pack for bulk deployment; Servergrade shielding minimizes signal loss, crosstalk and electromagnetic interference