PCI\VEN_8086&DEV_10F7
Ethernet driver
PCI\VEN_8086&DEV_10F7 is the Intel Corporation 10 Gigabit BR KX4 Dual Port Network Connection, 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 intel.com.
Device details
| Hardware ID | PCI\VEN_8086&DEV_10F7 |
|---|---|
| Device name | 10 Gigabit BR KX4 Dual Port Network Connection |
| Maker | Intel Corporation (PCI vendor ID 8086) |
| Device type | Ethernet |
| Driver guide | The right Intel Ethernet driver |
| Latest official package | Intel Network Adapter Driver for Windows 11 (Wired_driver_31.3_x64.zip) 31.3, October 16, 2026 |
| Known OEM variants | 2 |
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 10 Gigabit BR KX4 Dual Port Network Connection is built into that maker's product.
| Full hardware ID ending | Maker | Product |
|---|---|---|
SUBSYS_7B12108E | Oracle/SUN | Sun Dual 10GbE PCIe 2.0 FEM |
SUBSYS_000D8086 | Intel Corporation | Ethernet Mezzanine Adapter X520-KX4-2 |
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 10 Gigabit BR KX4 Dual Port Network Connection
- 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_10F7. - 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.
- Check your PC maker. Enter your model or serial number on its support site and look under Networking or LAN.
- Use the chip maker's package. Intel Network Adapter Driver for Windows 11 (Wired_driver_31.3_x64.zip) on intel.com. Our the right intel ethernet driver guide explains which package fits.
- Restart and check. Plug in the cable and check that Windows shows a wired connection.
Other Intel ethernet IDs
VEN_8086&DEV_109680003ES2LAN Gigabit Ethernet Controller (Copper)VEN_8086&DEV_109880003ES2LAN Gigabit Ethernet Controller (Serdes)VEN_8086&DEV_10BA80003ES2LAN Gigabit Ethernet Controller (Copper)VEN_8086&DEV_10BB80003ES2LAN Gigabit Ethernet Controller (Serdes)VEN_8086&DEV_125BEthernet Controller I226-LMVEN_8086&DEV_125CEthernet Controller I226-VVEN_8086&DEV_125DEthernet Controller I226-ITVEN_8086&DEV_1521I350 Gigabit Network Connection
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.