DC Power Jack Cable for

The Dell 0R2W9 DC power jack cable is an internal DC IN cable for a laptop. It connects the laptop’s power jack as part of its internal power input assembly.

The listing identifies the cable for Dell Latitude 3440 and Latitude 3540 models, making it a replacement part for those laptop models. Its purpose is specific to the DC jack connection; the source provides no further details about connector dimensions or cable construction.