HP
N41840-601
is compatible in the following HP Models:
HP EliteBook 655 15.6 inch G10 Notebook PC (Knucker15)
HP EliteBook 655 15.6 inch G10 Notebook PC (75G84AV) - 8T575PA
HP
HP EliteBook 645 14 inch G10 Notebook PC (75C25AV) - 876Q1PA
HP EliteBook 645 14 inch G10 Notebook PC (75C25AV) - 877M9PA