The black 230W Advanced Docking Station from HP is designed exclusively for select HP Business Notebook platforms such as the ZBook 15 and 17, so you can maintain the connectivity and comfort of your laptop at a fixed station. It offers desktop convenience with full port replication capability in a space-saving design. The Docking Station features an optional integrated HP docking station cable lock for securing the dock and notebook with one lock. It also has an integrated upgrade bay that lets you use a hard drive or optical drive for additional storage while docked. Conveniently charges the notebook while it is in the docking station Easy docking system provides port replication and cable management Four USB 3.0 ports; two USB 2.0 ports; support for DisplayPort 1.2 The integrated upgrade bay lets you use a hard drive or optical drive for additional storage while docked Supports the HP docking station cable lock, which gives you two security options: lock the docking station only (which also prevents access to the advanced docking station drive bay) or lock both the docking station and your notebook for additional security. This docking station also supports an industry standard notebook lock