Operate with confidence with optimal performance using smart-pin technology and 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 and reduces cord bending providing better cable management and longevity. HP Notebooks with 4. 5mm, 7. 4mm connectors