Condition like new. Tested and working. The Dell D3100 Dock USB 3.0 Ultra HD/4K Triple Display is a black docking station specifically designed for 14-inch Dell laptops. Made from rigid plastic, it features passive cooling and built-in USB ports for added convenience. This unit is compatible with the Dell Inspiron product line and offers triple display capabilities with Ultra HD/4K resolution. Designed by Dell, this docking station is a reliable and efficient solution for expanding your laptop's connectivity options.