This docking station expands your notebook via the USB-C port with additional ports for peripherals, network and external monitors. It is also capable of powering your notebook via the USB-C port used. You'll also benefit from advanced security and management features such as slots for cable locks of various standards as well as PXE and WOL support. This variant comes with a 130-watt power supply and a regular USB-C connector cable. This provides the data connection to the dock and also powers the notebook. So you only need one connector for interface expansion and for charging your notebook battery.