Connect two SATA drives to your PC with this ADA-2022B USB 2.0 eSATA dual SATA adapter.The ADA-2022B supports two SATA drives and lets you connect to a PC using either an eSATA connector or USB 2.0 connector. You can use the OTB (One Touch Backup) function to backup your data onto two SATA hard drives at the same time!Using the eSATA connector you can get a speedy transfer rate of up to 3 Gbp/s or use the USB 2.0 connector for a transfer rate of up to 480 Mbps. The ADA-2022B features a clone function which enables you to clone two SATA hard drives without the use of a PC! Order today!