Equipped with complete sideband signal lines, supports hot-swap detection and drive status feedback; SFF-8643 male to male direct connection, SAS 3.0 12Gbps high-speed internal storage transmission; Standard 100-Ohm controlled impedance design minimizes signal reflection and attenuation; Broad compatibility with NVMe backplanes, RAID controllers, SATA HDD/SSD and hot-swap bays; 1m flexible length for server chassis routing, sold in 2 packs for multi-channel storage deployment