This driver download is available for Windows PCs.
Official Sources
Official
Intel Download Center
Intel
Softonic
Download on Softonic
trusted mirror
Mirror
Driver catalog page
Driverguide
At a Glance
DeviceIntel Ethernet Server Adapter X520 2
VendorIntel
Supported OSWindows
VersionLatest
File Size—
UpdatedOct 29, 2026
SafetyScanned, malware-free
LicenseFree
No Registration Required
Download free — no signup, no account, no waiting
On This Page
The Intel Ethernet Server Adapter X520 2 driver lets Windows recognize the Intel network adapter and communicate with it to send and receive data over an Ethernet connection. It is needed when setting up the adapter, reinstalling Windows, or troubleshooting a missing network connection or an adapter warning in Device Manager.
Key Features
- Adapter recognition: Helps Windows identify the installed Intel Ethernet adapter and make its network interfaces available.
- Network connectivity: Provides the software interface needed for Ethernet communication between the adapter, Windows, and your network.
- Configuration options: Compatible packages may expose advanced settings such as jumbo frames, interrupt moderation, and hardware offloading, depending on the adapter and operating system.
- Maintenance and fixes: A suitable driver update may resolve known issues and improve compatibility or connection stability. Improvements vary by release.
How to Install Intel Ethernet Server Adapter X520 2 Driver
- Confirm your adapter and Windows version. Open Device Manager and check the adapter under Network adapters or Other devices. If the name is unclear, review its hardware IDs under Properties > Details. Confirm your Windows edition and system architecture.
- Choose a compatible package. Before starting an Intel Ethernet Server Adapter X520 2 driver download for Windows, check the package’s supported-device list and release notes. For Windows 11, 10, 8, or 7, use a release that explicitly supports both your adapter and operating system; one package may not cover every version.
- Download and prepare the files. Use an official Intel or system-manufacturer source for a free download. Extract the archive if necessary. If this is your only network connection, save the package locally before changing the existing driver.
- Install the driver. Run the included installer and follow its prompts. If no installer is provided, right-click the adapter in Device Manager, select Update driver, and choose Browse my computer for drivers to locate the extracted files.
- Restart and verify connectivity. Restart if prompted, then confirm that Device Manager shows no adapter warning. Check the Ethernet cable, link status, and access to your local network or the internet.
Keep the driver updated when a compatible release addresses a problem or provides a relevant fix. The latest version is not always suitable for older hardware or operating systems, so verify support before you install an update—even on Windows 10/11. Keep a copy of the working driver in case you need to roll back.
Common Issues and Fixes
- Install fails or rolls back: use the Intel package matching your Windows Server version/architecture, run it as administrator, and temporarily disable antivirus/filter drivers. Remove any Windows Update-provided driver first.
- Adapter not detected: reseat the X520 2 in a PCIe x8 slot, confirm the slot is enabled in BIOS, and check Device Manager for an unknown Ethernet controller. Update server BIOS/firmware.
- Version/teaming conflicts: uninstall older Intel PROSet/network drivers and any ANS/teaming/VLAN software, reboot, then install the current driver. Avoid mixing Windows inbox and Intel packages; verify the driver version in Device Manager.
Driver Details
| Device | Intel Ethernet Server Adapter X520 2 |
|---|---|
| Vendor | Intel |
| Category | Network |
| Supported OS | Windows |
| Published | October 28, 2026 |
| Updated | October 29, 2026 |
This driver download is available for Windows PCs.