Compatibility ThinkPad X120e/X121e, x130e\nThinkPad X220, X220i, X220t, X220ti, yes\nThinkPad T520, T520i ThinkPad Edge E320, E330, E335, E530, E535\nThinkPad L420, L421, L430\nThinkPad L520, L530\nThinkPad Tablet 2\nThinkPad Helix (Type 3xxx)\nLenovo V480, V480C, V580, V580C, V480s, B480, B485, B580, B585, B490, B590, K430, K230\nThinkCentre M92z\nThinkCentre M91z\nThinkCentre Edge 92z.
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