IBM Lenovo 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 NO. POWER CORD 13.6 x 7.8 x 2.4 inches Model type: 4337
