PCI\VEN_1B21&DEV_2463

ASM2464PD USB4 Device Controller 40G driver

PCI\VEN_1B21&DEV_2463 is the ASMedia Technology Inc. ASM2464PD USB4 Device Controller 40G, 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.

Device details

Hardware IDPCI\VEN_1B21&DEV_2463
Device nameASM2464PD USB4 Device Controller 40G
MakerASMedia Technology Inc. (PCI vendor ID 1B21)
Device typeThunderbolt
Driver guideGet the Thunderbolt driver

How to install the driver for ASM2464PD USB4 Device Controller 40G

  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_1B21&DEV_2463.
  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 ASMedia thunderbolt IDs

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