Want to be able to plug in the most demanding next-generation peripherals and experience high-speed data transfer rates? With speeds up to 40x faster than its predecessors, USB V2.0 is the new standard for high-speed peripheral connectivity. The StarTech.com PCI420USB 4-port PCI card lets you plug in your most demanding USB peripherals and still enjoy data transfer speeds of up to 480 Mbps. And since the PCI420USB is backwards compatible with USB 1.1 specifications, your less demanding peripherals will still function perfectly with no adjustments. The PCI420USB also features Plug and Play connectivity, letting your connect and swap your peripherals with ease.