https://www.laptopjacks.com/laptop-dc-power-jacks/hp-dc-power-jacks/hp543100c32-hp-probook-4440s-4441s-4445s-4446s-dc-power-jack-676706-fd1-676706-yd1.html
HP543100C32 HP Probook 4440s 4441s 4445s 4446s DC Power Jack 676706-FD1 676706-YD1
Supported Models: HP Probook 4440s 4441s 4445s 4446s Part Numbers: 676706-FD1 676706-YD1
dc power jack