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

The ThinkPad Mini Dock Plus Series 3 offers convenient, one-step connection to a rich array of peripheral devices. It's ideal for notebook users who have advanced computing requirements but demand a docking solution that is small and easy to use.