PCI\VEN_14E4&DEV_16A1

Ethernet driver

PCI\VEN_14E4&DEV_16A1 is the Broadcom Inc. and subsidiaries BCM57840 NetXtreme II 10 Gigabit Ethernet, an Ethernet device. Without it the wired port shows as an Ethernet Controller under Other devices and the cable does nothing. Get it from Windows Update or your PC maker first; the chip maker's own package is on support.microsoft.com.

Device details

Hardware IDPCI\VEN_14E4&DEV_16A1
Device nameBCM57840 NetXtreme II 10 Gigabit Ethernet
MakerBroadcom Inc. and subsidiaries (PCI vendor ID 14E4)
Device typeEthernet
Driver guideFind the right Ethernet driver
Known OEM variants3

PCs and boards that use this chip

Each line is a subsystem ID: the full hardware ID ends in SUBSYS_ plus these eight characters when the BCM57840 NetXtreme II 10 Gigabit Ethernet is built into that maker's product.

Full hardware ID endingMakerProduct
SUBSYS_866E1043ASUSTeK Computer Inc.PEB-10G/57840-2T 10GBase-T Network Adapter
SUBSYS_100B193DNew H3C Technologies Co., Ltd.NIC-ETH521i-Mb-4x10G
SUBSYS_98144C52LR-LINKLREC9814AF Quad-port 10Gb Ethernet Server Adapter

If your SUBSYS matches a laptop or board maker in this list, that maker's support page has the version tested for your model.

How to install the driver for BCM57840 NetXtreme II 10 Gigabit Ethernet

  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_14E4&DEV_16A1.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Network drivers may appear here once another connection works, such as Wi-Fi or a phone hotspot.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Networking or LAN.
  4. Use the chip maker's package. Update drivers through Device Manager in Windows (Microsoft) on support.microsoft.com. Our find the right ethernet driver guide explains which package fits.
  5. Restart and check. Plug in the cable and check that Windows shows a wired connection.

Other Broadcom ethernet IDs

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