Easily transfer data between hard disk drives during PC migration/upgrading Max transfer speed 480Mb/s Power adapter for 3.5'/5.25' devices & Bus power for 2.5' HDD Convert 2.5'/3.5' IDE HDD and 5.25' IDE Devices into USB 2.0 interface JM20337 IDE and SATA to USB chip with Back-Up software and single Button Back-Up Activation Feature