Four USB ports provide you easy compatibility with today's most popular peripherals and tomorrow's exciting new ones! The USB2connect 3100LP card from Adaptec allows your Mac or PC to work with both USB 1.1 and 2.0 devices through its four high-speed ports. With data speeds up to 480 megabits per second (Mbps) USB 2.0 is 40 times faster than USB 1.1, making it ideal for use with external storage devices, scanners, CD-RWs and more. The plug-and-play USB2connect 3100LP is easily installed and rock solid as you've grown to expect from Adaptec.