45N1124 45N1125 45N1126 45N1127 45N1128 45N1129 45N1132 45N1134 45N1133 45N1136 45N1137 45N1144 45N1769 121500146 121500147 121500148 0C52861 0C52862. For Lenovo ThinkpadX240 X240s T440 T440S T450 T550 T460 S440 S540 X250 L450 K2450 L460 L470 W550S P50S T460P T470P T560 X270 Series.
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