Lenovo ThinkPad UltraDock 40A2 00HM917 T440 T450 T540 T550 DockingStation. - ThinkPad T440, T440s, T440p, T450, T450s, T450p, T460,T460s, T460p, T470, T470s, T470p. - ThinkPad T540, T550, T560, T570, W540, W541, W550.
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