Compatible Part Numbers: ASM P/N 45N1124 FRU P/N 45N1125 ASM P/N 45N1126 FRU P/N 45N1127 ASM P/N 45N1132 FRU P/N 45N1133 FRU P/N 45N1775 31CP7/38/65 LC P/N 121500146 LC P/N 121500147 LC P/N 121500152 Compatible Models: For Lenovo ThinkPad X240 Series For Lenovo ThinkPad X240s Series For Lenovo ThinkPad X250 Series For Lenovo ThinkPad X260 Series For Lenovo ThinkPad W550 Series For Lenovo ThinkPad L450 Series For Lenovo ThinkPad L460 Series For Lenovo ThinkPad L470 Series For Lenovo ThinkPad T440 Series For Lenovo ThinkPad T440s Series For Lenovo ThinkPad T450 Series For Lenovo ThinkPad T450s Series For Lenovo ThinkPad T460 Series For Lenovo ThinkPad T460p Series For Lenovo ThinkPad T470p Series For Lenovo ThinkPad T550 Series Warning: doesn't fit for ThinkPad T460s, T470 , T470s