Easily add 4 USB 3.0 Superspeed ports to your PC Transfers data at speeds of up to 5Gbps, capable of transferring an HD movie in seconds. Slim but durable design easily slips into pocket or computer bag. Advanced chipset with thermal design prevents overheating during long-term use. Includes extra Type C adapter for transforming Type-C devices into USB 3.0 hub or connecting USB A devices to USB C devices. Great compatibility with Windows 10/8/8.1/7/Vista/XP, Mac OS X, Linux, and Chrome OS Note: Supports output max current up to 900mA; some HDDs may require external power adapter Plug and Play: No external power or software drivers required