Lenovo ThinkPad Ultra Docking Station 40A2. T440, T440p, T440s, T450, T450s, T450p, T460, T460p, T470, T470s, T540, T540P, T560. L440, L450, L460, L470, L540, L560, L570, P50s. Dock only. Requires Lenovo 90W AC Adapter which you may already have to power your laptop.
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