Now you can switch easily and reliably between any combination of two DVI and USB 2.0 equipped computers PC or Mac using only one keyboard, monitor and mouse. The 2-Port DVI USB KVM Switch saves space there's no need to work on a desk crowded with double monitors, keyboards and mouse devices. It saves time there's no need to move from one monitor to another to access different computers. And, it saves money there's no need to purchase additional monitors, mouse devices, keyboards etc. The 2-Port DVI USB KVM Switch allows you to choose between a Macintosh or PC keyboard /video / mouse combination.