Easy to install and remove the hard disk drive USB and eSATA input interface Available for 2 SATA device in same time Support eSATA to Serial ATA interface,transter rate up to 3.0Gb/sec Support USB2.0 to Serial ATA interface,transter rate up to 480Mb/sec Suitable for 2.5"/3.5"Serial ATA HDD One touchbackup function Attached HDDs duplication function without PC system Power supply:AC100~240V input,DC5V/12V-3A output