Value 2-pack bundle, each cable length 0.5 meter / 1.6 feet, ideal for short-distance internal server chassis wiring; SFF-8087 male to male internal Mini SAS cable, 100-Ohm impedance design for low signal loss and stable 6Gbps transmission; Fully compatible with server RAID controllers, SAS/SATA hard drive backplanes and hot-swap storage enclosures; Supports hot-swap function, seamless connection for SAS HDD, SATA SSD and multi-disk RAID array configurations; High-density internal shielding eliminates signal crosstalk, reliable for 24/7 continuous rack server operation