Tripp Lite's 8-port KVM Switch is the optimal solution for controlling up to 8 computers (combination of PS/2, AT, Mac, Sun, & USB) from one keyboard, mouse and monitor. Multiple KVM switches can be daisy-chained together in order to control up to 512 computers. Easily switch ports using the On Screen Display (OSD), keyboard hot key or front panel switch. It features keyboard and mouse emulation for error-free boot-ups and works on all operating systems. This device also supports ultra high 180MHz video resolutions up to 1920 x 1440 pixels without any noticeable degradation. Innovative design adjusts to either a rackmount or stackable unit.