HP
642761-AD1
is compatible in the following HP Models:
HP EliteBook 8400 Mobile Workstation series
HP ELITEBOOK 8460W MOBILE WORKSTATION - A1A54PP
HP ELITEBOOK 8460W MOBILE WORKSTATION (ENERGY STAR) - B2Y01PA
HP ELITEBOOK 8460W MOBILE WORKSTATION (ENERGY STAR) - QC591PA
HP ELITEBOOK 8460W MOBILE WORKSTATION (ENERGY STAR) - QC592PA