Quickly add six high-speed USB 2.0 ports to your computer and experience incredible data transfer rates of up to 480 Mbits/sec. The PCI625USB2I comes with four external USB 2.0 ports and two internal USB 2.0 ports for future internal products. With 40 times the bandwidth of USB 1.1, USB 2.0 is the new standard for today's most demanding peripherals. Ideal for upgrading your system to USB 2.0 capabilities, this card is also backwards compatible with USB 1.1/1.0 so you can continue to use your older USB devices without having to worry about incompatibility. The card features Plug and Play connectivity, allowing you to instantly connect your external hard drives, USB printers, portable drives, Zip drives and other USB peripherals, without having to power down your computer.