HP Elitebook 840 Laptop Computer Hinge

HP EliteBook 840 / 850 G5 Laptop Smart Card Reader Board - L18312-001

GENUINE HP ELITEBOOK 840 G6 LAPTOP SMART CARD READER INSERT L60631-001

HP Elitebook 840 G1 Laptop Notebook - Smart Card Reader

Hp Elitebook 840 G5 SC card slot (tested removed from working laptop)

HP Elitebook 840 G3 Laptop Fingerprint Reader with cable 821165-001

HP EliteBook 14” 840 G5 Genuine Smart Card Reader Board w/Cable 6053B1482001

HP Elitebook 840 G7 Smart Card Reader Board with Cable GRADE A