Tripp Lite B006-004R 4-Port KVM Switch USB Black KVM switch

4-Port Desktop KVM Switch (USB) Tripp Lite's 4-port Desktop USB KVM Switch is the optimal solution for controlling up to 4 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 180MHz video resolutions up to 1920 x 1440 pixels without any noticeable degradation. It features a compact design that does not require external power, software, or complicated set-up procedures.

-Control up to 4 USB computers from a single keyboard, mouse and monitor.
-Console Ports: HD15 Female (Monitor) and 2 USB A Female (Keyboard/Mouse).
-Computer Ports: 4 HD15 Male (Monitor) and 4 USB B Female (Dual Keyboard/Mouse).
-Includes 2 USB A Female ports for sharing of USB peripherals between connected computers.
-2 LEDs per port; one indicates when the computer is connected & on, the other indicates when the computer has been selected.
-Supports 180MHz video resolutions up to 1920 x 1440.
-Supports VGA, SVGA, or Multisync monitors.
-Does not require external power, software, or complicated set-up procedures.
-Select a computer via front panel push-buttons.
-Includes autoscan feature.
-Keyboard and mouse emulation for dependable computer boot-up.
-Compatible with all operating systems.
-Compatibile with most mice; including scroll mice.