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MT27500 MT27520 Family ConnectX-3 ConnectX-3 Pro Virtual Function
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MT27500 MT27520 Family ConnectX-3 ConnectX-3 Pro Virtual Function
System Information
Your PC is currently running:
Driver details
Driver Name:
MT27500 MT27520 Family ConnectX-3 ConnectX-3 Pro Virtual Function
Provider:
Mellanox Technologies Ltd.
Version:
4.95.10778.0
Release Date:
9/20/2015
Architecture:
AMD64
File Size:
2.7 MB
Driver ID:
pci\ven_15b3&dev_1008&subsys_801f103c
Supported OS:
Windows 11, Windows 10
WHQL:
Signed
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All links have been scanned by antivirus program.
Manual download (.cab, 2.7 MB) from Microsoft servers
— install via Device Manager.
Compatible hardware
- MT27500/MT27520 Family [ConnectX-3/ConnectX-3 Pro Virtual Function] (Mellanox Technologies)
Supported Hardware IDs
pci\ven_15b3&dev_1000
pci\ven_15b3&dev_1001
pci\ven_15b3&dev_1002
pci\ven_15b3&dev_1003
pci\ven_15b3&dev_1003&subsys_18cd103c
pci\ven_15b3&dev_1004
pci\ven_15b3&dev_1004&subsys_18cd103c
pci\ven_15b3&dev_1004&subsys_22f1103c
pci\ven_15b3&dev_1004&subsys_22f2103c
pci\ven_15b3&dev_1004&subsys_22f3103c
Show all 56 hardware IDs
pci\ven_15b3&dev_1004&subsys_22f4103c
pci\ven_15b3&dev_1004&subsys_22f5103c
pci\ven_15b3&dev_1004&subsys_801f103c
pci\ven_15b3&dev_1004&subsys_8020103c
pci\ven_15b3&dev_1007
pci\ven_15b3&dev_1007&subsys_0090117c
pci\ven_15b3&dev_1007&subsys_0091117c
pci\ven_15b3&dev_1007&subsys_0092117c
pci\ven_15b3&dev_1007&subsys_0093117c
pci\ven_15b3&dev_1007&subsys_22f1103c
pci\ven_15b3&dev_1007&subsys_22f2103c
pci\ven_15b3&dev_1007&subsys_22f3103c
pci\ven_15b3&dev_1007&subsys_22f4103c
pci\ven_15b3&dev_1007&subsys_22f5103c
pci\ven_15b3&dev_1007&subsys_801f103c
pci\ven_15b3&dev_1007&subsys_8020103c
pci\ven_15b3&dev_1008
pci\ven_15b3&dev_1008&subsys_22f1103c
pci\ven_15b3&dev_1008&subsys_22f2103c
pci\ven_15b3&dev_1008&subsys_22f3103c
pci\ven_15b3&dev_1008&subsys_22f4103c
pci\ven_15b3&dev_1008&subsys_22f5103c
pci\ven_15b3&dev_1008&subsys_801f103c
pci\ven_15b3&dev_1008&subsys_8020103c
pci\ven_15b3&dev_1009
pci\ven_15b3&dev_100a
pci\ven_15b3&dev_6340
pci\ven_15b3&dev_6341
pci\ven_15b3&dev_634a
pci\ven_15b3&dev_634b
pci\ven_15b3&dev_6354
pci\ven_15b3&dev_6368
pci\ven_15b3&dev_6369
pci\ven_15b3&dev_6372
pci\ven_15b3&dev_6732
pci\ven_15b3&dev_6733
pci\ven_15b3&dev_673c
pci\ven_15b3&dev_673d
pci\ven_15b3&dev_6746
pci\ven_15b3&dev_6750
pci\ven_15b3&dev_6751
pci\ven_15b3&dev_675a
pci\ven_15b3&dev_6764
pci\ven_15b3&dev_6765
pci\ven_15b3&dev_676e
pci\ven_15b3&dev_6778
Match against Device Manager → Details → Hardware Ids to confirm this driver fits your device.
File details
File name:
20781511_2fa80d49436b054416812a2283ad201a50b1ad8d.cab
File size:
2807637 bytes (2.6 MB)
Signed / DriverVer:
09/20/2015,4.95.10778
Provider (INF):
Mellanox Technologies Ltd.
Catalog file:
mlx4_bus.cat
SHA-256:
cb6e497413e527c3f92a0f964001bc3791008563cebddc53b79746d47c3935f0
To verify: open PowerShell and run Get-FileHash <filename.cab>
What's inside the package (25 files)
Mlx4IPoIB.man 35.1 KB
WdfCoInstaller01009.dll 1.6 MB
ibbus.sys 424.2 KB
ipoib6x.cat 19.2 KB
ipoib6x.inf 36.5 KB
ipoib6x.sys 337.2 KB
mlx4_bus.cat 21.2 KB
mlx4_bus.inf 45.1 KB
mlx4_bus.sys 686.2 KB
mlx4eth62.cat 19.2 KB
mlx4eth62.inf 35.8 KB
mlx4eth62.sys 303.2 KB
mlxmux6x.sys 158.2 KB
mux.dll 146.8 KB
mux_mp.cat 19.6 KB
mux_mp.inf 3.0 KB
muxp.cat 19.1 KB
muxp.inf 2.4 KB
ndfltr.sys 83.7 KB
winctxtune_bus.dll 618.8 KB
winctxtune_eth.dll 618.8 KB
winctxtune_ipoib.dll 618.8 KB
winctxtune_mux.dll 618.8 KB
winmad.sys 35.7 KB
winverbs.sys 67.2 KB
All versions of this driver
| Version | Release Date | Architecture | OS | |
|---|---|---|---|---|
| 4.95.10778.0 | 9/20/2015 | AMD64 | Windows 11, Windows 10 | (this page) |
| 5.10.11345.0 | 9/10/2015 | AMD64 | Windows 11, Windows 10 | 5.10.11345.0 |
| 4.95.10777.0 | 4/16/2015 | AMD64 | Windows 7 | 4.95.10777.0 |
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:
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?
Automatic method for updating and downloading drivers (Recommended):
If you prefer not to search for the right driver manually, there are tools that can automatically detect your device model and find a compatible driver. This reduces the risk of errors and saves time.
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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:
How to install drivers using Device Manager:
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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