The Dell Docking Station - USB 3.0 connects your laptop to up to three additional monitors, various external devices and the Internet with a single cable. It's a convenient way to expand the capabilities of your portable PC and customize your desktop computing environment. This sleek, compact dock unlocks enhanced productivity and entertainment options with high-speed connectivity and support for Ultra HD 4K displays. Designed for Ultra HD 4K resolution, this USB 3.0 universal docking station enables compatible PC's to display 4K resolution when connected. Expand your desktop by connecting up to three displays at once, including one Ultra HD 4K display and two Full HD displays. The Dell Docking Station allows you to spread out your desktop on up to three external displays, increasing productivity and making it easier to manage multiple applications. The Dell Docking Station offers ultra-fast data transfer speeds among connected devices. The dock features three USB 3.0 ports, as well as two USB 2.0 connections, ensuring compatibility with a vast array of peripherals, such as external hard drives, printers and scanners. The dock also provides USB charging to peripherals but does not charge your laptop.