External SATA cable is specifically designed to connect eSATA ports on an external hard drive, enclosure or docking station to a computer, laptop, host controller card, DVR, or satellite receiver box for expanded storage Blazing fast SATA III speeds up to 6 Gbps are faster than USB 3.0 equipped drives and much faster than most internal DVR hard drives; Provides secure connections for fast and reliable file transfers; Compatible with eSATA equipped enclosures or docking stations connecting 2.5", 3.5" SATA I, II, III hard drives Fully shielded & flexible eSATA cable is engineered to reduce EMI noise interference; Flexible black PVC jacket isnt too stiff; Robust molded connectors with easy grip treads sit flush with connected equipment and are engineered to withstand 100x more matings than an internal SATA cable. Cost-effective 2-pack provides spare or superior replacement eSATA cables to fix troublesome connection problems; Longer eSATA cable allows location of external hard