The UNIMUX™ High Density VGA USB KVM Matrix Switch allows up to 4 users to individually command or simultaneously share up to 16 USB computers. Access USB computers (PC, SUN, and MAC) using USB keyboards and mice, and VGA multiscan monitors.< br>< br> For more information, visit: < a href=“http://www.networktechinc.com/srvsw-usbvst-uhd.html”>http://www.networktechinc.com/srvsw-usbvst-uhd.html< /a>