HP UltraSlim Docking Station with 65W Adapter. Compatible with EliteBook 720 G1-G2, 725 G2-G4, 740 G1-G2, 745 G2-G4, 750 G1-G2, 755 G2-G4, 820 G1-G4, 840 G1-G4, 850 G1-G4, 1020 G1, 1040 G1-G3; EliteBook Folio 9480m, 9470m; EliteBook Revolve 810 G1, 810 G3; Pro x2 612 G1; ProBook 640 G2-G3; ZBook 14; ZBook 14u G4; ZBook 15U G3-G4 Mobile Workstation.