Your MacBook Pro just got a whole lot more functional with this secure docking station. Turn your MacBook Pro into a desktop system. No need to undock your computer to secure it. Leave it safely on your desk. This simple DOCK Express brings you a dual monitor solution for Thunderbolt Connectivity and HDMI, plus a Security Slot and more. This device works with the 15-inch MacBook Pro with Retina display model (Model A1398).