The STLab USB 3.0 SATA HDD Dock allows you to plug any 2.5" or 3.5" SATA Harddisk and *3.5" IDE Harddisk to your computer via USB port, a powerful tool for data transfer, backup and cloning. With the Superspeed USB 3.0 mode, it offers a theoretical data transfer speed of 5.0GBit/s. That's ten times faster than the USB 2.0 speed of 480 MBit/s. It is a perfect HDD dock for everyone.