Smart Interactive Cloning feature 3-bay hard driver docking station Supports Standard 2.5 inch and 3.5 inch SATA Hard Drives. Connected to the host computer through a USB3.0 connection, SuperSpeed interfaces with data transfer rates up to 5Gbps,10x faster than USB2.0, backward compatible with USB2.0 and 1.1. It is a ideal solution for you to access File,Video,Music and photo in HDDs easy and quickly. ORICO 6638US3-C is ready for Hard Drive Stand Alone Clone allow to duplicate source Hard Drive in slot source HDD to target Hard Drive in slot target HDD without connect the dock to computer. Duplicate speed up to 60-80MB per second.You don"t have to spend your time with computer to duplicate your Hard Drive and the Process won"t drawing the CPU & Memory Usage since the dock don"t need to connected to computer at all.You are free to enjoy your time by just leave it alone for the duplicate. 3-bay 2.5 & 3.5 inch HDD Docking Station Supports 3TB*3 Support hot swap, plug and play HDD off-line Clone function Interface: USB3.0 and transfer rate can up to 5Gbps ABS material, Excellent workmanship; LED indicatior; independent power switecher With 12V4A power adapter Led indicator:Blue Compatibility -No driver required ready for three 2.5 & 3.5 inch SATA HDD or SSD,Allow to accessing 2 Drives at the same time -Support Windows XP , Vista , 7 , 8 or Mac OS X 10.2 and above -CE , FCC Appproval -Please contact ORICO Customer Care Team for support when you get any questions about operation or duplicating Most Importantly,Please do not insert drive to wrong slot Note:Item on sale is the protection box only, HDD is not included. What is in the box • 1 x 3 Bay USB3.0 HDD Docking Station • 1 x 12V4A AC Power Adapter • 1 x USB3.0 Cable • 1 x User Manual • 1 x Service Card