The Dell WD19CS Docking Station with 180W AC adapter is designed specifically for Dell laptops, featuring passive cooling for optimal performance. It comes in a sleek black color and includes various ports such as Audio Out, DisplayPort, HDMI, Ethernet (RJ-45), USB 3.0, USB 2.0, and USB-C. With built-in USB ports, this docking station is compatible with Dell Latitude 14 3420, 7400, and 15 3511 models, providing a convenient and efficient solution for expanding your laptop's connectivity options. Product tested and is in working condition.