SIIG's USB 3.0 4-Port Hub is an ideal solution to easily add 4 more USB 3.0 ports to your desktop or notebook computer. It delivers ultra-fast USB 3.0 data transfer rate up to 5Gb/s to work flawlessly with high-bandwidth USB 3.0 devices, such as external hard disks, high resolution webcams, camcorders, video surveillance cameras, digital video cameras, multi-channel audio and more, while maintaining backward compatibility with USB 2.0 and USB 1.1 devices. Additionally, the USB 3.0 4-Port Hub features over-current protection to protect both connected devices and the hub itself from unforeseen power surges and is hot-swappable allowing for instant attachment and detachment of peripheral devices without having to first power your system off.