This is a genuine replacement 4.5*3.0MM DC Power Jack for Elitebook 830 G5 G6 and X360 11 G1 G2 EE series. Requires disassembly and technical skills such as soldering to install, please consult an expert if unsure, YOU CANNOT FIT THESE WITH A SOLDERING IRON ONLY HOT AIR IS REQUIRED! Socket outer diameter: 4.5 mm Socket inner diameter: 3.0 mm Compatible P/N: 2DC3071-007111F, S210302-F4 Reference Compatible with Laptop models: - Pavilion Gaming 15-CX series: 15-CX0056WM, 15-CX0058WM, 15-CX0020NR, 15-CX0144TX, 15-CX0140TX, 15-CX0077WM ... - ZBook 1015 G1 - Probook X360 11 G1 EE - Probook X360 11 G2 EE - ProBook 640 G2 - ProBook 650 G2 - ZBook G3 745 - ZBook 14u G4 G5 - ZBook 15u G3 G4 - EliteBook 820 G2 G3 G4 G5 - EliteBook 840 G2 G3 G4 G5 G6 - EliteBook 848 G3 - EliteBook 850 G3 G4 G5 G6 - Elitebook 820 G5 G6 - Elitebook 830 G5 G6 - EliteBook 720 G3 G4 - EliteBook 725 G3 G4 - EliteBook 745 G3 G4 - EliteBook 755 G3 G4 What's in the box: 1x DC-IN Power Connector Socket