This Power eSATA to eSATA Male and USB Female Cable provides a 3ft connection between a computer equipped with a power eSATA port and an eSATA and/or USB capable device (external hard drive, etc.).Expertly designed and constructed of only top quality materials, the 3ft power eSATA to eSATA male and USB female cable is backed by StarTech.com"s Lifetime Warranty.