The Lenovo docking stations were last used (05/2026) and worked.   Technical specifications: Dock input interface: USB-C cable Video connections: Two DisplayPort HDMI port USB ports Two USB 2.0 Three USB 3.1 Gen 2 (10 Gbps, 1 x always on charging) A USB-C (10 Gbps, 5V, 3A) Audio connections: Stereo/microphone combination Network connection: Gigabit Ethernet Physical safety Safety locking slot Maximum number of external monitors: 3 Maximum resolution/ refresh rate: 3840x2160 @60Hz Maximum video output: One: 4K @ 60 Hz Two: 4K @ 60 Hz. (Source: 2 Lanes HBR3* Source, MST, DSC 3:1) Three: 4K @ 60 Hz X 2, 4K@ 30 Hz X 1. (Source: 2 Lanes HBR3* Source, MST, DSC 3:1) Input power: 90W Maximum power for laptop charge: 60W incl. associated power supply   Lenovo Docking Station is compatible with Lenovo and non-Lenovo notebooks to expand data, power, and video.   Dockingstaions have signs of wear and slight scratches.   Further information can be found from the website of the owner.