Compatible with: Lenovo Thinkpad T440 T440P T440s T450 T450S T431s L440 L450 Series. ThinkPad T450 Series ThinkPad T450s 20BW ThinkPad T450s 20BX. Thinkpad T440 Series Thinkpad T440p 20AN Thinkpad T440p 20AW.
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