12 in One Hard Disk Duplicator: A variety of output input external interface, HDTV 4K, 3.5mm audio, USB3.1/3.0, Type-C, supports SD/TF card, built-in blue-tooth 5.0, all is your need. Offline Clone Function: This USB 3.1 Hard Drive Duplicator with Offline Clone Function is a top-loading, toaster-style dock, this design makes it easy to insert and remove your drives. 40TB Capacity: This MAIWO dual bay hard drive dock work with all standard 2.5' and 3.5' SATA HDD/SSD hard drives up to 20TB for 3.5' hard drives and 8TB for 2.5' hard drives. It will begin configuring straight away once its plugged in. High-Transfer Rate: This duplicator dock allows for exceptional duplication speeds, as fast as 10 Gbps. At this rate, you could duplicate an entire 1TB hard drive in just a few minutes. Highly-Compatible: MAIWO hard Drive Docking Station can be used either for hard drive cloning, or as an external dock, it supports hard drives up to 40 TB. Its also compatible with most operating system.