Comfortable port replication and cable management, backward compatibility with older devices, adaptability to new technologies and the charging of the battery while the notebook operation are the outstanding features of this product. Desktop convenience with full port replication capability in a space saving design. Conveniently charges the notebook while it is in the docking station. Four USB 3.0 ports; Support for DisplayPort 1.2. Optional integrated HP Docking Station Cable Lock for securing the dock and notebook with one lock (lock sold separately). A monitor stand port allows you to add a monitor stand and external display for more comfortable viewing. HP Docking Stations and HP Advanced Docking Stations are compatible with HP ProBook b-Series Notebook PCs, HP EliteBook 8xxx p Series Notebook PCs, and HP EliteBook 8xxx w Series Mobile Workstations.