Lenovo ThinkPad Mini Dock Series 3 Type 4337 Docking Station for Lenovo ThinkPad L412, L512, L420, L520, T400s, T410, T410i, T410s, T410si, T420, T420s, T510, T510i, T520, X220
Lenovo ThinkPad Ultra Dock Type 40A2 Docking Station for Lenovo ThinkPad L440, L540, X240, T540p, T440, T440p, T440s, W540
