PCI\VEN_8086&DEV_E434

Thunderbolt driver

PCI\VEN_8086&DEV_E434 is the Intel Corporation Core Ultra Processors (Series 3) Thunderbolt DMA1, a Thunderbolt device. Windows 11 includes support for most Thunderbolt and USB4 controllers; older systems need the maker's Thunderbolt software. Get it from Windows Update or your PC maker first; the chip maker's own package is on intel.com.

Download from intel.comFull guide: Get the Thunderbolt driver

Device details

Hardware IDPCI\VEN_8086&DEV_E434
Device nameCore Ultra Processors (Series 3) Thunderbolt DMA1
MakerIntel Corporation (PCI vendor ID 8086)
Device typeThunderbolt
Driver guideGet the Thunderbolt driver

How to install the driver for Core Ultra Processors (Series 3) Thunderbolt DMA1

  1. Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with PCI\VEN_8086&DEV_E434.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Thunderbolt firmware and drivers sometimes arrive here.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Thunderbolt or Chipset.
  4. Use the chip maker's package. Why Are There No Thunderbolt Drivers for Intel NUC Using Windows 11 on intel.com. Our get the thunderbolt driver guide explains which package fits.
  5. Restart and check. Connect a Thunderbolt or USB4 device and check that it works.

Other Intel thunderbolt IDs

Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.