pulled from a working system works absolutely fine. no power supply or cables included. just the box as is
Dell D3100 Docking Station USB 3.0, Triple Monitor, Ultra HD 4K Support, Gigabit Ethernet, UK Power Cable 452-BBOO 4N2PF (Renewed)
Dell D3100 Docking Station 3, 0 Ultra HD Triple Video, 452-Bbot (Ultra HD Triple Video) (Renewed)
Dell D3100 Docking Station
Dell D3100 Docking Station - 2x HDMI, 1x DP, 5x USB, Ethernet
Dell D3100 Docking station with PSU and USB cable.
