Lenovo ThinkPad Mini Dock Series 3 - Mini-dock - for ThinkPad L412; L420; L512; L520; T400s; T410; T410s; T420; T420s; T510; T520; X220

The ThinkPad Mini Dock Series 3 is ideal for notebook users who need easy access to the Internet/ LAN, multiple USB devices, audio and video equipment, and robust key lock security.