Toshiba HI Speed Port Replicator III+ - Port Replicator - TSH-PA5116U-2PRP USB 3.0 Ports for high data transfer rate and greater functionality Easy one-touch connection to your desktop environment eliminates the need to reconnect cables Built-in security lock Slot helps secure your notebook PC and Hi-Speed port Replicator III with cable lock Includes AC adapter eliminating the need to unplug whenever you undock Accommodates extended capacity battery, No need to remove it when you Dock