●External Mini SAS HD SFF-8644 to SFF-8644 Cable, 2-Meter(6.6ft), Twinaxial 8-pair high-bandwidth, transmission rates Up to 12Gbps per channel, low-skew, Impedance = 100 Ohms, AWG28. ●Fully compatible with the SAS 2.1 AND SAS 3.0 interface specifications. ●Wide Applications: External cabling solution for connecting Mini-SAS to HD Mini-SAS devices. Widely used in DATA Center, Servers, Storage racks, RAID systems, External Storage Systems, SAS/SATA HBA interfaces, Direct-attached storage (DAS),Switches. ●Premium External Mini SAS HD Cable with Solid connection and Excellent EMI performance. Easy to install, PLUG AND PALY, Hot pluggable. ●After-sales service: Provides 24/7 Customer Service, 30 Days Free-returned, 1 Year Free Warranty and Lifetime Technology Support