1、The latest high-speed USB0 transmission interface, backward compatible with USB 2、Support hot swap. 3、Compatible operating system: for Vista/Windows2000/ME/XP/WIN7/WIN8/WIN10/OS X8.6 and other operating systems. 4、Theoretical transmission speed is up to 480M / sec. 5、Supports all kinds of 5in SATA mechanical hard drives and solid state drives. Features: 1. The latest high-speed USB 2.0 transmission interface, backward compatible with USB 1. 1. 2. Support hot swap. 3. Compatible operating system: for Vista/Windows2000/ME/XP/WIN7/WIN8/WIN10/OS X 8.6 and other operating systems. 4. Theoretical transmission speed is up to 480M / sec. 5. Supports all kinds of 2.5in SATA mechanical hard drives and solid state drives. 6. There are 3 colors for you to choose from. Specification:Item Type: Mobile Hard Disk Box Material: ABS External Transmission Interface: USB 2.0 Supported Hard Disk Types: 2.5 inch SATA hard disk and SSD solid state hard disk Surface Treatment: Sand blasting oxidation + screen printing Model: W25A820 Support Capacity: 8TB Transmission Speed: 480M / sec Color: Black, white, red(optional) Package List: 1 x 2.5in Hard Drive External Box(Hard disk is Not Included) 1 x USB Cable