Backup your data with this HD-DK320 eSATA External SATA Hard Drive Dock! It can support a 3.5-inch SATA hard drive with up to 2 Terabytes of storage or a 2.5-inch SATA hard drive with up to 1 Terabyte of storage capacity. The HD-DK320 is powered by a built-in eSATA power cable so there's no need for an external power supply. The HD-DK320 also includes a 1-port USB and 1-port eSATA Expansion Bracket for connecting high-speed USB and eSATA devices to your desktop computer! Simply add a 2.5-inch or 3.5-inch SATA hard drive and you're ready to store, exchange and backup your multimedia and data files. Get your HD-DK320 eSATA External SATA Hard Drive Dock today!