Compatible with HP EliteBook 755 G5,HP EliteBook 755 G4,HP EliteBook 755 G3,HP EliteBook 745 G2,HP EliteBook 755 G2,HP EliteBook 740 G2,HP EliteBook 740 G1,HP EliteBook 840 G2,HP EliteBook 840 G1,HP EliteBook 750 G2,HP EliteBook 750 G1,HP EliteBook 850 G2,HP EliteBook 850 G1,HP Zbook 14 G2,HP ZBook 14,HP ZBook 15u G2,HP 845 G2