PCI\VEN_8086&DEV_3101

Wi-Fi driver

PCI\VEN_8086&DEV_3101 is the Intel Corporation Killer E3100X 2.5 Gigabit Ethernet Controller, a Wi-Fi device. Without its driver Windows shows a Network Controller with a yellow mark and no wireless networks. 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_8086&DEV_3101
Device nameKiller E3100X 2.5 Gigabit Ethernet Controller
MakerIntel Corporation (PCI vendor ID 8086)
Device typeWi-Fi
Driver guideKiller Wi-Fi driver download
Latest official packageIntel Killer Performance Suite 50.26.915.2621, October 21, 2026

How to install the driver for Killer E3100X 2.5 Gigabit Ethernet Controller

  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_3101.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Wireless drivers are often offered here.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Networking or Wireless.
  4. Use the chip maker's package. Intel Killer Performance Suite on intel.com. Our killer wi-fi driver download guide explains which package fits.
  5. Restart and check. Open the Wi-Fi list in the taskbar and connect to your network.

Other Intel wi-fi IDs

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