Control four computers from one keyboard, VGA monitor and mouse. It is plug & play, no software to install and supports simultaneous boot-up. Provides superior compatibility with 4D/multi-button mouse & trackball, hot-key & push-button for PC selection, supports 200MHz video and resolution of up to 1920x1440. Hot-Plug allows for the addition and removal of connected PC without shutting down the KVM. Required Cables: QVS C3P2A-06 6ft PS/2 KVM combo cables. (Connectors to Console: HD15 Female/2 Mini6 Female; Connectors to PC: 4 HD15 Male/8 Mini6 Female)