Share a keyboard mouse and dual dvi displaysmonitors between 4 multimedia computersr r integrated usb 20 hub and micaudio switching allows the user to have full multimedia control of two computers and share usb peripherals eliminating the expense of duplicate devicesr take full advantage of dual head video cards by switching up to four machines across two high resolution dvi monitorsr absolutely no software or drivers required providing a completely os independent kvm solutionr r the sv431dd