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What do I need to know about Thunderbolt 3 and power delivery?

Thunderbolt™ 3 is capable of 100W of bi-directional power; however not all manufacturers will implement power delivery, or implement power delivery at the full 100W.

Optical Thunderbolt 3 cables do not support power delivery at any wattage.

Refer to the information provided by the manufacturer to confirm the power delivery capabilities of the following components:

  • The Thunderbolt 3 host connection
  • The Thunderbolt 3 cable
  • The Thunderbolt 3 device (for example, a hard drive docking station)