2-port usb 2.0 pci adapter - 2-port usb pci adapter for connecting external usb devices to pc - usb 2.0 compliant - usb 2.0 pci adapter provides 2 usb a-type receptacles - high-speed 480mbps data transfer rate - backward compatible with usb 1.1 devices - 40 times faster than usb 1.1 - support for windows 98 or above