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Download SFL9021 10GBASE-T Ethernet Controller

System Information

Your PC is currently running:

Driver details

Driver Name: SFL9021 10GBASE-T Ethernet Controller

Provider: Solarflare

Version: 4.11.0.1040

Release Date: 6/29/2017

Architecture: AMD64

File Size: 3.5 MB

Driver ID: pci\ven_1924&dev_0813&subsys_61021924

Supported OS: Windows 11, Windows 10

WHQL: Signed

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All links have been scanned by antivirus program.

Manual download (.cab, 3.5 MB) from Microsoft servers — install via Device Manager.

Compatible hardware

SFL9021 10GBASE-T Ethernet Controller (AMD Solarflare)
SFC9020 10G Ethernet Controller (AMD Solarflare)
SFC9120 10G Ethernet Controller (AMD Solarflare)
SFC9120 10G Ethernet Controller (Virtual Function) (AMD Solarflare)
SFC9140 10/40G Ethernet Controller (AMD Solarflare)
SFC9140 10/40G Ethernet Controller (Virtual Function) (AMD Solarflare)
SFC9220 10/40G Ethernet Controller (AMD Solarflare)
SFC9220 10/40G Ethernet Controller (Virtual Function) (AMD Solarflare)

Supported Hardware IDs

pci\ven_1924&dev_0803&subsys_04a71014

pci\ven_1924&dev_0803&subsys_04a81014

pci\ven_1924&dev_0803&subsys_2132103c

pci\ven_1924&dev_0803&subsys_2136103c

pci\ven_1924&dev_0803&subsys_2172103c

pci\ven_1924&dev_0803&subsys_2173103c

pci\ven_1924&dev_0803&subsys_62011924

pci\ven_1924&dev_0803&subsys_62021924

pci\ven_1924&dev_0803&subsys_62051924

pci\ven_1924&dev_0803&subsys_62061924

Show all 65 hardware IDs

pci\ven_1924&dev_0803&subsys_62071924

pci\ven_1924&dev_0803&subsys_62271924

pci\ven_1924&dev_0803&subsys_62371924

pci\ven_1924&dev_0803&subsys_65101924

pci\ven_1924&dev_0803&subsys_65111924

pci\ven_1924&dev_0803&subsys_65201924

pci\ven_1924&dev_0803&subsys_65211924

pci\ven_1924&dev_0803&subsys_65411924

pci\ven_1924&dev_0803&subsys_65621924

pci\ven_1924&dev_0803&subsys_72061924

pci\ven_1924&dev_0803&subsys_72071924

pci\ven_1924&dev_0803&subsys_75011924

pci\ven_1924&dev_0813&subsys_61021924

pci\ven_1924&dev_0813&subsys_61031924

pci\ven_1924&dev_0813&subsys_61041924

pci\ven_1924&dev_0813&subsys_71041924

pci\ven_1924&dev_0903&subsys_04cc1014

pci\ven_1924&dev_0903&subsys_215d103c

pci\ven_1924&dev_0903&subsys_215e103c

pci\ven_1924&dev_0903&subsys_401517aa

pci\ven_1924&dev_0903&subsys_80021924

pci\ven_1924&dev_0903&subsys_80031924

pci\ven_1924&dev_0903&subsys_80061924

pci\ven_1924&dev_0903&subsys_80071924

pci\ven_1924&dev_0903&subsys_80091924

pci\ven_1924&dev_0903&subsys_800a1924

pci\ven_1924&dev_0903&subsys_800c1924

pci\ven_1924&dev_0903&subsys_800d1924

pci\ven_1924&dev_0903&subsys_80ab103c

pci\ven_1924&dev_0923&subsys_800b1924

pci\ven_1924&dev_0923&subsys_800e1924

pci\ven_1924&dev_0923&subsys_800f1924

pci\ven_1924&dev_0a03&subsys_80171924

pci\ven_1924&dev_0a03&subsys_80191924

pci\ven_1924&dev_0a03&subsys_801a1924

pci\ven_1924&dev_1903&subsys_04cc1014

pci\ven_1924&dev_1903&subsys_215d103c

pci\ven_1924&dev_1903&subsys_215e103c

pci\ven_1924&dev_1903&subsys_401517aa

pci\ven_1924&dev_1903&subsys_80021924

pci\ven_1924&dev_1903&subsys_80031924

pci\ven_1924&dev_1903&subsys_80061924

pci\ven_1924&dev_1903&subsys_80071924

pci\ven_1924&dev_1903&subsys_80091924

pci\ven_1924&dev_1903&subsys_800a1924

pci\ven_1924&dev_1903&subsys_800c1924

pci\ven_1924&dev_1903&subsys_800d1924

pci\ven_1924&dev_1903&subsys_80ab103c

pci\ven_1924&dev_1923&subsys_800b1924

pci\ven_1924&dev_1923&subsys_800e1924

pci\ven_1924&dev_1923&subsys_800f1924

pci\ven_1924&dev_1a03&subsys_80171924

pci\ven_1924&dev_1a03&subsys_80191924

pci\ven_1924&dev_1a03&subsys_801a1924

root\efx_singleton

Match against Device Manager → Details → Hardware Ids to confirm this driver fits your device.

File details

File name: 675ba738-d13a-4a0c-87ab-649f7d524a97_be8f0c1eefaac4042951b80504e588b7dcc445d3.cab

File size: 3640142 bytes (3.4 MB)

Signed / DriverVer: 06/29/2017,4.11.0.1040

Provider (INF): Solarflare

Catalog file: netSFBa.cat

SHA-256:

a0211f7e497800a0568a0ed817e4fe35fa7dce82e1007176e2ea7017771b6daf

To verify: open PowerShell and run Get-FileHash <filename.cab>

What's inside the package (8 files)

SFBC490a.dll 233.3 KB

SFBPa.dll 177.8 KB

SFBa.man 3.5 KB

SFBa.sys 510.1 KB

SFUPDGUI.exe 8.4 MB

WdfCoInstaller01009.dll 1.6 MB

netSFBa.cat 16.8 KB

netSFBa.inf 31.8 KB

All versions of this driver

Version	Release Date	Architecture	OS
4.11.0.1040	6/29/2017	AMD64	Windows 11, Windows 10	(this page)
4.10.4.1002	2/8/2017	AMD64	Windows 11, Windows 10	4.10.4.1002
3.0.11.2245	3/24/2011	AMD64	Windows 11, Windows 10	3.0.11.2245
3.0.5.2184	9/6/2010	X86	Windows 11, Windows 10	3.0.5.2184

Related drivers

Drivers: The Foundation of Stable Device Performance

Why Are Drivers So Important?

Drivers play a crucial role in maintaining system stability. Outdated or corrupted drivers can lead to:

Malfunctions in hardware operation.

Slower system performance.

Errors, freezes, and other technical issues.

It is recommended to update drivers every 3–6 months. This is especially important before installing a new operating system, as updated drivers may be required to ensure compatibility.

How to Keep Your Drivers Up to Date?

Regularly check for driver updates.

Download drivers only from trusted sources, such as manufacturers’ websites.

Restart your system after installing new drivers to apply the changes properly.

Automatic method for updating and downloading drivers (Recommended):

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All links have been scanned by antivirus program.

Manual driver installation

Note: Installing an incorrect driver version may cause system issues. If you're unsure which driver to choose, we recommend using the automatic method.

Download the driver via Device Manager. How to open Device Manager:

In Windows 11, 10, and 8.1, right-click the "Start" menu and select "Device Manager."

In Windows 8, swipe up from the bottom or right-click anywhere on the desktop, select "All Apps" -> swipe or scroll to the right and choose "Control Panel" (under "Windows System") -> Hardware and Sound -> Device Manager.

In Windows 7, click "Start" -> "Control Panel" -> "Hardware and Sound" -> "Device Manager."

How to install drivers using Device Manager:

Find the device causing the issue, double-click it to open "Properties."

Go to the "Driver" tab.

Click "Uninstall" and follow the instructions.

For reinstallation, either insert the manufacturer's disk or run the downloaded installer, following the instructions.

If you want to simply update the driver, press "Update Driver" in the "Properties" window and follow the instructions.

How to Update a Driver for Free Using Outbyte Driver Updater

Keeping your device drivers up to date helps ensure stable Windows performance and proper hardware operation. Below is a step-by-step guide explaining how to update a single driver for free using Outbyte Driver Updater. This guide describes a method to update one selected driver without activating a license and without providing any personal information or payment details.

Can You Update a Driver for Free Without Registration?

Yes.

Outbyte Driver Updater allows you to:

scan your computer for outdated drivers at no cost;
view a list of detected drivers;
update one selected driver for free;
avoid entering an email address, name, credit card number, or any other personal data.

The free update process requires only the installed program and the standard scan and update steps.

Step 1: Launch the Program and Scan Your Computer

Download and install Outbyte Driver Updater on your Windows PC.

After launching the program, it will automatically start scanning your system and checking installed drivers.

Step 2: Close the Activation Window

After the scan, an “Activate now” window may appear.

To continue for free:

click the close (X) button in the top-right corner of the window.

No information needs to be entered

Step 3: Select the Driver Category

From the menu on the left, choose the device category you want to update, such as:

audio drivers;
video and graphics drivers;
network and Wi-Fi drivers;
Bluetooth drivers;
printer and scanner drivers.

Step 4: Click “Update” Next to the Selected Driver

In the driver list, locate the driver you want to update and click the Update button next to it.

Step 5: Confirm the Driver Update

In the pop-up window, click Update driver.

At this stage, no personal data or payment details are required.

Step 6: Wait for the Update Process to Finish

The program will begin downloading and installing the selected driver.

Please wait until the process is complete.

Step 7: Apply Changes and Restart Your Computer

After the installation finishes, click Apply now to apply the changes.

To ensure the updated driver works correctly, restart your computer.

Important Notes

Free updates are available one driver at a time.
No registration is required for the free update.
No credit card or payment information is requested.
All actions are performed locally within the program after scanning your system.
Free update availability may depend on the driver type and system configuration.

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