For the USB2Connect 5100, 3100LP, DuoConnect 3121, USB2Connect for Notebooks, USB2connect 2000LP, XHub 4, XHub 4+, and XHub 7+ Adaptec's USB 2.0 drivers allow your Adaptec USB2connect and DuoConnect products to work with USB 2.0 devices at speeds up to 480 megabits per second. These drivers are 100% compatible with all USB 1.1 devices as well. Please read the included README file for the latest technical enhancements and limitations of these drivers. Supported operating systems: Adaptec's USB 2.0 drivers support Microsoft Windows® 98 Second Edition,Windows 2000 and Windows Millennium Edition operating systems. This is a self-extracting zip file that will unzip to c:\adaptec\usb2.