DELL USB 3.0 Ultra HD Triple Video Docking Station D3100 SWI. Connectivity technology: Wired, Host interface: USB 3.2 Gen 1 (3.1 Gen 1) Type-A, Headphone connectivity: 3.5 mm. Ethernet LAN data rates: 10,100,1000 Mbit/s. Product colour: Black, Brand compatibility: Dell. Cables included: AC, HDMI-DVI, USB