Part
00HT640
is utilised in the following Models:
20DFA05JAU
NoteBook TP E550 Sub Series 4G 500 W10H 20DFA05JAU (20DF-A05JAU)
20DFCT01WW
E550 (ThinkPad) - Type 20DF - 20DFCT01WW - 20DFCT01WW (20DF-CT01WW)
20DFCTO1WW
ThinkPad E550 - 20DFCTO1WW