The 2x1 DVI KVM DL Switcher allows you to easily switch between two cross-platform dual link DVI computers using just one dual link DVI display and USB 2.0 keyboard and mouse. Dual link DVI describes the use of all 24 pins of the DVI connector to achieve mega high video resolutions up to 3840x2400. USB 2.0, also known as hi-speed USB, is the next generation of USB capable of sending data significantly quicker than before.