Thinkpad - T440s, 20AR. Thinkpad - T440s. Thinkpad - T440s, 20AQ, 20AR. Thinkpad - X260, 20F5, 20F6. Thinkpad - T450, 20BU, 20BV. ThinkPad Edge - E540, 20C6. ThinkPad 11e - 20ED, 20EE. ThinkPad 11e - 20G9, 20GB.
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