Connectivity . connects your laptop to up to three additional monitors various external devices and the internet with a single cable. Compatibility . works with all Dell notebooks. Compact dock . unlocks enhanced productivity and entertainment options with highspeed connectivity and support for Ultra HD 4K displays. 1 Year Warranty. 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 features a convenient way to expand the capabilities of your portable PC and customize your desktop computing environment. Compatibility Interfaces 2 x USB 2.0 - 4 pin USB Type A 3 x SuperSpeed USB 3.0 - 9 pin USB Type A 2 x display / video - HDMI - 19 pin HDMI Type A 1 x display / video - DisplayPort - 20 pin DisplayPort 1 x network - RJ-45 1 x headphones - output - mini-phone 3.5 mm 1 x audio - output - mini-phone 3.5 mm 1 x SuperSpeed USB 3.0 - 9 pin USB Type B . Compact dock unlocks enhanced productivity and entertainment options with highspeed connectivity and support for Ultra HD 4K displays. It also includes 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. Moreover it is a great choice for corporate environments with Wake-On-LAN and PXE boot (on selected platforms).. .