Spinido Dual Bay USB 3.0 Hard Drive Docking Station with Offline Clone Function Hard Drive Reader for 2.5 Inch and 3.5 Inch HDD SSD SATA (2 x 6TB Support, Black) (2.5&3.5) High Speed Hard Drive Reader Offline Clone from Source HDD to Target HDD. Dual bay hard drive cloner especially supports 2.5 and 3.5 inch SATA HDD and SDD. SuperSpeed USB 3.0 hard drive dock supports faster performance with simple works. Special Aluminum Casing ssd hard drive with Glossy ABS Top Panel with Delicate Touch Feeling. Easy Plug & Play, just press the clone button, equipped with LED Progress Indicator, hot-Swappable, no Drivers Needed. NOTE: THREE MONTHS WARRANTY, ANY QUESTIONS, PLEASE CONTACT US. Plug and Play<span class="a-text-bold">--</span>It can copy your files from one disk to another without computer support and no additional driver is needed. Simple and Efficient<span class="a-text-bold">--</span>Simple and high efficient for data recovery, drive imaging, and testing centers, or any environment that requires fast access to uninstalled/achieved drives. Two hard drives are needed. Then plug them into this hard drive dock. HDD1 is for source disk and HDD2 is for target hdd disk. (Attention: The target disk must equal to or larger than the source disk) Connect to power supply. Press &#034;Copy&#034; button for about 3 seconds until the LED start flashing and the cloning process begins. Process indicator with LED: 25%-50%-75%-100%. When it goes to 100%, it means the cloning process is over.