Dell D3100 4K USB 3.0 3 Monitor Support Docking Station NRRYW 0NRRYW CN-0NRRYW
Maximum Resolution: 4K
Input/Output Ports: 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
Interface: USB 3.0
Features: Supports three displays at once, including one Ultra HD 4K and two Full HD