It does not have Thunderbolt port to connect to a Thunderbolt dock. By the way, did you read the dock Compatibility list ? Which shows
Compatible with HP ProBook 430 G5; HP ProBook 440 G5; HP ProBook 450 G5; HP ProBook 470 G5; HP ProBook 640 G4; HP ProBook 650 G4; HP ProBook 645 G4; HP EliteBook 735 G5; HP EliteBook 745 G5; HP EliteBook 755 G5; HP EliteBook 830 G5; HP EliteBook 840 G5; HP EliteBook 850 G5; HP EliteBook x360 1020 G2; HP EliteBook x360 1030 G2; HP EliteBook 1040 G4; HP Mobile Workstation G3; HP Mobile Workstation G4; HP Mobile Workstation G5; HP Elite x2 G1; HP Elite x2 G2; HP Pro 612 x2; HP EliteBook Folio G1
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