Features: Brand new and high quality One button offline copy function can realize data copy transfer between two hard disks without connecting a computer. It conforms to the standard of Type C 3.2, and the theoretical transmission rate can reach 10Gbps. Support two M.2 NVMe protocol hard disks to work at the same time. Tool-free installation, second hard disk replacement without screwdriver, easy installation. Built-in cooling fan makes the air get full convections, cooling the hard disk more efficiently. Equipped with DC5V4A power supply to avoid disk damage caused by insufficient power supply and provide strong power for data exchange. Specifications: Material:Aluminum alloy +ABS Output interface: USB 3.2 Built-in interface: M.2 MKey Hard disk support: M.2 NVMe SSD Transmission rate: 10Gbps Data line: 50cm Power cord: 150cm Size:Approx.120x87mm/4.7x3.4inches Package Includes: 1x Hard Disk Case note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.