Operate with complete confidence with optimal performance using smart-pin technology & reduce the risk of power surges, while drawing only minimal power as needed. Connection versatility with a specially designed dongle allowing for simple conversion from the new standard 4.5mm connector to HP predecessor notebooks with 7.4mm connectors. Tight access made convenient – the new right-angled (90°) 4.5mm connector allows for connecting in limited spaces & reduces cord bending providing better cable management & longevity. HP Notebooks with 4.5mm, 7.4mm connectors