Add 4 external USB (Universal Serial Bus) ports & 1 internal USB (Universal Serial Bus) port to your computer through a PCI Express slot. This 5 Port PCI Express USB (Universal Serial Bus) 2.0 adapter card lets you connect up to five USB (Universal Serial Bus) 2.0 peripherals (4 external & 1 shared internal) to your computer, with support for high speed USB (Universal Serial Bus) data transfer rates of up to 480 Mbps. Plus, the PCI Express USB (Universal Serial Bus) card is backward compatible with USB (Universal Serial Bus) 1.1, so you can continue using your older USB (Universal Serial Bus) peripherals. Featuring easy plug & play installation, this adapter card provides convenient, hassle-free connections without having to reboot the host computer.