This rack mountable usb kvm switch supports high resolution video applications up to 1920x1440 pixels supported and audio switching between connected computers and provides an integrated usb 20 hub that lets the selected computer have access shared high speed usb peripherals providing control of up to four computers from a single usb keyboard and mouse peripheral set the switch features a sturdy all metal chassis and can be rackmounted in a server rackcabinet using an optional rackmount b