ADS Tech USB Turbo 2.0 for Notebooks USBX-2001 Eliminate the bottleneck in your fast, powerful recent computer with this Plug and Play PCMCIA PC-card USB 2.0 handles the demands of high bandwidth external storage devices, video capture and video conferencing Both forward and backward compatible with USB 1.1 - even uses the same cables and and connectors, for a seamless transition Be ready for next generation printers, scanners, networking and more, with transfer capabilities up to 480 Mbits of data per second! 2 USB 2.0/1.1 ports (4 External / 1 Internal)