USB 3.0 To SATA Dual Bay RGB Lamp Effect Hard Disk 2.5/3.5 Inch Hard Drive Enclosure Docking Station Offline Clone HDD SSD with 5Gbps fast transfer speed and supports offline cloning too; The docking station can operate offline cloning independently from a computer. No need to copy the files one by one, insert the hard drives and power supply, press the clone button, save time to do another thing you want, and improve your work efficiency.