SIIG Hi-Speed USB 5-Port PCI Adapter, 480Mbps Data Transfer Mode Support

The SIIG Hi-Speed USB 5-Port PCI adapter is designed to enable your computer to connect up to five additional USB devices. It instantly adds 5 Hi-Speed USB 2.0 ports (four external and one internal) to your current desktop computer. This Hi-Speed USB 2.0 5-Port PCI adapter supports high-speed (480Mb/s), full-speed (12Mb/s) and low-speed (1.5Mb/s) data transfer rates, offers full backward compatibility for USB 1.1 devices and supports simultaneous operation of multiple high-speed USB 2.0 and USB 1.1 devices.

It allows you to hot-swap devices (connect and disconnect) without first turning your system off and works with a variety of USB 2.0 and USB 1.1 devices. Designed with over current protection per USB 2.0 port, both connected devices and the adapter itself are protected from unforeseen power surges.