Best Selection of The 4-port Desktop USB KVM switch from Tripp Lite is an ideal solution for controlling up to four USB computers from one keyboard, mouse, and monitor. It features keyboard and mouse emulation for error-free boot-ups and works on all operating systems. This device also supports 180 MHz video resolutions up to 1920x1440 pixels without any noticeable degradation. The switch features a compact design that does not require external power, software, or complicated set-up procedures. ...  ...More Details