2-Bay USB 3.0 SATA HDD Duplicator Dock is incredibly useful, enabling you to easily turn old internal hard drives into external hard drives. So if you have a hard drive lying in an old PC that doesn't turn on any more, you can quickly take it out and plug it straight into the USB 3.0 Docking & Cloning Station. Instead of complicated screws to work with, our docking station just snaps in place, holding your hard drive firmly and securely. It has the ability to clone an HDD with just a click of a button and without being connected to a PC. Due to its unique design, this docking station holds both your 2.5" and 3.5" HDD or SSD firmly in place. Support SATA 3.0 and UASP can up to 6Gbps. Transfer your data just minutes.