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Thunderbolt(TM) 4 Settings#

Thunderbolt 4

PCIe Tunneling

Whether to enable PCIe (peripheral component interconnect express) Tunneling.

Possible states:

  1. On - Default.
  2. Off
  • Some Thunderbolt devices, such as external GPUs and storage drives, may not work properly.
  • The USB functions of USB4 based devices that are Thunderbolt 4 certified may still work.
WMI Setting name Values Locked by SVP AMD/Intel
PCIeTunneling Disable, Enable Yes Both