Features: 1. There is an about 7 mm/ 0.28 inches tall cushion for hard disk driver inside the package. Please install the cover inside the cover before inserting the hard disk. And it is not recommended to use this product for 12.5 mm hard disk. 2. Adopting fully transparent design for simple life. 3. Transparent vibration casing pipe is made of shock-proof ABS with flame retardancy, which helps select the easier hard disk driver to design a good one except your office. 4. USB 3.0 to SATA III supports UASP protocol. 5. It has 5 Gbps of maximum data transmission rate which is 10 times faster than USB 2.0. And the UASP transmission protocol is 20 faster than traditional USB 3.0, which is able to reduce CPU occupation and data latency, waiting time. Note: Only include box, not include hard drive. Specification: Material: ABS Size: 125x79x13mm Support hard disk specifications: 2.5 inch SATA interface hard disk Package List: 1x External Hard Drive box 1x data cable