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What is the difference between Power Delivery and Power Passthrough?

Power Delivery provides power through a USB-C connection, while power passthrough allows power from an external adapter to be delivered through a docking station to a connected laptop.

Power Delivery (PD) is a USB-C technology that allows a compatible device, such as a docking station, to provide power to a connected laptop.

Power Passthrough means an external USB-C power adapter is connected to the docking station, and the docking station passes that power through to the laptop.

Important

  • Power Delivery allows compatible USB-C devices to negotiate and provide power.
  • Power passthrough allows power from an external adapter to pass through the docking station to your laptop.
  • A compatible USB-C power adapter is required to use Power Delivery passthrough.
  • Actual charging power depends on the power adapter and your laptop's requirements.