Features: Aluminum shell designs, effective heat dissipation, to ensure the stable operation of hard disk under high load. No need for additional driver, convenient for users to connect and use quickly. Small and light, easy to carry, suitable for carrying and office. Suitable for professional, photographers and content creators who need frequent data transmission. It can be used for data storage and transmission in office, family or business trip, and is easy to carry and use. Specifications: Component:Aluminum Size:Approx.103x35x10mm/4.06x1.38x0.39inch Weight:110g Interfaces:OCuLink Power:USB(5V3A) Internal port:M.2 M key Package Includes: 1 Set Enclosure Case note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.