Due to USB3.0 data transmission interface, this hard disk case is faster than USB2.0 interface and meets daily use requirements. A large capacity hard drives are supported by this hard drive case, allowing you to save music, movies and files. What's more, it features smart hibernation, power saving and low loss to reduce hard drive wear and tear. It is constructed of aluminum alloy material. The length of this product is 12.1cm, the width is 8cm and the height is 1.7cm. And it supports hard disk with thickness lower than 1.5cm. It is suitable for Windows 98/SE/ME/2000/XD/for Win7/Win8/for Win10, for Mac OS8.6, etc. Item Name: HDD Enclosure Material: Aluminum Alloy Features: High-performance, Fast Read And Write, Anti-vibration Supported Capacity: 4TB Transmission Interface: Support USB3.0, Downward Compatible for USB2.0/2.1 Transmission Interface: USB3.0/Type-C Transmission Speed: 5Gbps Power Supply: USB Plug Operating Humidity: 10Percent RH-80Percent RH Storage Temperature: -20 to 70 Degree Celsius Storage Humidity: 5Percent RH-90Percent RH Support System: for Windows 98/SE/ME/2000/XD/for Win7/Win8/for Win10, for Mac OS8.6, etc. Size Details: L: 12.1cm/4.76", W: 8cm/3.15", H: 1.7cm/0.67"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x HDD Enclosure (Hard Disk Not Included) 1 x USB Cable