2-pack bundle, each 3.3 ft internal Mini SAS cable for server chassis wiring; SFF-8087 36Pin host to four 29Pin SFF-8482 drive ports with integrated SATA power; Combined data & power design, no extra splitters needed for SAS/SATA drives; 6Gbps SAS/SATA transmission, stable for RAID backplanes and hot-swap bays; Shielded wiring, reliable for 24/7 continuous server & NAS operation