Wavlink SATA HDD Docking Station USB 3.0 Hard Drive Enclosure for 2.5&3.5 Inch HDD SSD Dual Bay SATA to USB3.0 Case Box Product Description USB3.0 Docking station launching brings data transmiion to a new stage. USB3.0 has a super speed connector that can speed up to 5GB/s. It is 10 times faster than USB2.0 and greatly improves the stability of transportation and the efficiency of energy. Fast installation SATA hard disk without any drives and compatible with USB2.0 1.1 fast speed device make a great combination to occupy the market. Product Specification * ( 1 ) plug and play ,no driver required * ( 2 ) Compatible with 2.5&3.5 inch SATAI/II/III interface external HDD SSD * ( 3 ) USB 3.0 connectivity with date transfer up to 5Gbps * ( 4 ) One-button backup function enables faster and easier HDD backup * ( 5 ) Support offine clone between two hard drives without a host computer * ( 6 ) 2xHDD Status LED,4xClone Status LEDS(25% 50% 75% 100%) Offline Clone Function: The offline one-button clone function provides quick and secure sector by sector hard driver duplication without a host computer. The Dual Dock can acce to both drives at the same time and use external power to provide stable driver performance and hot-swapping. Therefore, there is no need to reboot your computer. -This device cannot Bi-directionally copy ,you can only copy from disk A (source disk ) to disk B (target disk ) -please use "offine copy " carefully because it can format your hard drive mounted in disk B ,after copying,the capacity abs partition of disk B will be consistent with disk A,if you need to restore the capacity of B,you need repartition the disk Warm reminder : >>>HDD or SSD are not included. >>>To perform offline copying normally ,the capacity of disk A (source disk)must be le than that of disk B (target disk ) >>>There should not be any bad block in disk B ,otherwise the copying proce may fail . How to works? *1. Install your hard drives into the drive slots.please align your hard drive in the correct direction *2.plug the dual bay in an electrical outlet *3.Connect the device to your PC/Laptop ,and turn on the device. Note:the blue indicator light of Disk A&B is always on during work,but it flashes when reading or writing hard disk What In the box ? -1xUSB 3.0 to sata hard drive Docking station -1xUSB A to USB C adapter -1xUSB 3.0 Type-B to Type-A extension cable -1xPower adapter -1xQuick start guide