The Lenovo ThinkPad Thunderbolt 3 Dock Gen 2 - 40AN is a versatile docking station designed for Lenovo ThinkPad laptops. It features Thunderbolt 3, Thunderbolt 2, DisplayPort, HDMI, Ethernet, USB 3.0, USB 2.0, and USB-C ports to provide connectivity options. The docking station is compatible with various Lenovo ThinkPad models and is made of rigid plastic in a sleek black colour. With passive cooling and built-in USB ports, this docking station offers convenience and functionality for professionals on the go.