SIIG 5-port PCI host adapter with 4 external & 1 internal Hi-Speed USB 2.0 ports

USB 2.0 5-Port (4 ext. & 1 int.) PCI adapter adds 5 high-speed (480Mbps) USB 2.0 ports into your system - with full backward support for USB 1.1 devices. It supports simultaneous operation of multiple high-speed USB 2.0 and USB 1.1 devices.