This ThinkPad Pro Linnk One dock includes the 90W power adapter -. ThinkPad E455, E450, E550, E550c, E555, E540, E440, E455, E531, E431. ThinkPad S440, S431, S540, S531. ThinkPad Yoga, Yoga 12, Yoga 14 (Type 20DM, 20DN), Yoga 15.
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