The Lenovo ThinkPad Thunderbolt 3 Dock Gen 2 (40AN) is a high-quality docking station designed for Lenovo laptops. It features passive cooling technology to keep your device cool while in use. The dock includes Thunderbolt 3 and Thunderbolt 2 ports, as well as a built-in USB port for added connectivity. With a sleek black design, this docking station is a reliable and efficient accessory for enhancing your computing experience.