Featuring intelligent sleep function, this HDD enclosure can prolong the service time of the hard disk. This HDD enclosure supports stable and safe data storage as well as fast read because it features high-speed transmission up to 10Gbps. It is constructed of ABS material. This HDD enclosure features tool-free installation, which is easy to use. The length of this product is 12.2cm, the width is 8.2cm and the height is 1.3cm. This HDD enclosure is compatible for Windows 98/SE/ME/ 2000/XD, for Windows 7/8/10, for Mac OS 8.6 and Later. Item Name: HDD Enclosure Material: ABS Style: A: USB2.0, Style B: USB3.0, Style C: USB3.1 Supported Capacity: 2TB,3TB, 4TB Transmission Interface: Supports USB3.0 Downward Compatibility: USB2.0/2.1 Transmission Speed: 5Gbps, up to 10Gbps Power Supply: Direct Power Supply by USB cable, without External Power Supply Measured Speed: 450MBS(Actual and Hardware Related) Operating humidity: 10%RH to 80%RH Storage Temperature: -20 Degrees Celsius to 70 Degrees Celsius Storage Humidity: 5%-90% RH System Supported: for Windows 98/SE/ME/ 2000/XD, for Windows 7/8/10, for Mac OS 8.6 and Later Features: High-speed Transmission, Safe, Stable Output Size Details: L: 12.2cm/4.8", W: 8.2cm/3.23", H: 1.3cm/0.51"(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(HDD Not Included) 1 x USB Data Cable