Designed exclusively for ultraslim HP EliteBook Notebook PCs, the HP UltraSlim Docking Station expands display, network, and device connectivity so you can be more productive throughout the day—all through a simple one-click slide-in side dock. Four USB 3.0 ports offer high-speed connectivity to the USB devices you use most. USB 3.0 reduces the time required for data transmission (vs. USB 2.0), is backward compatible with USB 2.0, and is bi-directional. Get high-speed connectivity to the USB devices you use most with four USB 3.0 ports, which reduce the time required for data transmission (vs. USB 2.0), are backward compatible with USB 2.0, and bi-directional. Secure the connected notebook to the dock with the optional HP Docking Station Cable Lock (sold separately).