![IBM Lenovo ThinkPad Mini Dock Series 3 4337 433710U Docking Station L412, L512, L420, L520 T400s, T410, T410i, T410s, T410si, T420, T420s, T510, T510i T520 X220 With KEY : Electronics IBM Lenovo ThinkPad Mini Dock Series 3 4337 433710U Docking Station L412, L512, L420, L520 T400s, T410, T410i, T410s, T410si, T420, T420s, T510, T510i T520 X220 With KEY : Electronics](https://m.media-amazon.com/images/I/71YWpE52V4L._AC_SL1500_.jpg)
IBM Lenovo ThinkPad Mini Dock Series 3 4337 433710U Docking Station L412, L512, L420, L520 T400s, T410, T410i, T410s, T410si, T420, T420s, T510, T510i T520 X220 With KEY : Electronics
![Lenovo IBM ThinkPad Mini Dock Series 3 4337 433710U 4337-10U Docking Station L412, L512, L420, L520 T400s, T410, T410i, T410s, T410si, T420, T420s, T510, T510i T520 X220 NO Key Unlocked : Electronics Lenovo IBM ThinkPad Mini Dock Series 3 4337 433710U 4337-10U Docking Station L412, L512, L420, L520 T400s, T410, T410i, T410s, T410si, T420, T420s, T510, T510i T520 X220 NO Key Unlocked : Electronics](https://m.media-amazon.com/images/I/41CYwTzrBwL._AC_.jpg)
Lenovo IBM ThinkPad Mini Dock Series 3 4337 433710U 4337-10U Docking Station L412, L512, L420, L520 T400s, T410, T410i, T410s, T410si, T420, T420s, T510, T510i T520 X220 NO Key Unlocked : Electronics
![docking station - How to connect a ThinkPad laptop to an incompatible (?) ThinkPad dock? - Super User docking station - How to connect a ThinkPad laptop to an incompatible (?) ThinkPad dock? - Super User](https://i.stack.imgur.com/Twz0I.jpg)