USB 3.0 4-Port Portable Hub UH400 USB 3.0 ports offer transfer speeds of up to 5Gbps, 10 times faster than standard USB 2.0 The 4 data transfer ports mean you don't have to switch between devices *Note: Does not require drivers for Windows 8.1 / 8 / 7 / Vista / XP or Mac OS X and Linux systems. Backward compatible with USB 2.0/1.1 and the actual transmission speed is limited by the setting of the device connected. What This Product Does The UH400 supports all USB devices including USB drives, mice, printers or any other USB device you want to run simultaneously. USB 3.0 ports offer transfer speeds of up to 5Gbps, 10 times faster than the USB 2.0 standard. High Speed Data Transfer Equipped with USB 3.0 ports, UH400 provides a data transfer rate of up to 5Gbps, 10 times faster than USB 2.0. Expand Your USB Ports UH400 adds 4 additional USB ports to your PC, making it unnecessary to switch between devices. Compact and Portable Design Compact design with a retractable cable makes it an ideal USB HUB on the go. Safe and Reliable UH400’s multiple protections avoid any potential harm to your connected devices no matter you’re transferring data or charging devices.