You can easily connect laptops to Ultra HD 4K displays, Full HD displays and other external devices The Dell Docking Station – USB 3.0 allows you to connect your laptop to up to three additional monitors, various external devices and the Internet with just one cable. It provides a convenient way to expand the capabilities of your portable PC and customize your desktop computing environment. This stylish, compact dock offers enhanced productivity and entertainment options with ultra-fast connectivity and support for Ultra HD 4K displays. This USB 3.0 universal docking station is designed for Ultra HD 4K resolution and allows compatible PCs to display 4K resolution when connected. 2 x USB 2.0 – 4 pin USB Type A 3 x SuperSpeed ​​USB 3.0 – 9-pin USB type A 2 x screen/video – HDMI – 19 pin HDMI type A 1 x Screen/Video – DisplayPort – 20-pin DisplayPort 1 x Network – RJ-45 1 x Headphone - Output - Mini Phone 3,5mm 1 x Audio Output - Mini Phone 3,5mm 1 x SuperSpeed ​​USB 3.0 – 9 pin USB Type B