NVIDIA Mellanox Windows 64-bit Server OS Drivers for Mellanox ConnectX-4 LX, ConnectX-5, ConnectX-6 and ConnectX-7, ConnectX-8 Adapters

Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This software bundle includes the Dell Technologies Update Package to install NVIDIA Mellanox ConnectX-4 Lx, ConnectX-5 Ex, ConnectX-6, and ConnectX-7, ConnectX-8 NIC drivers on Windows Server 2022 and Windows Server 2025. This release provides continued code optimization to improve performance. This program is protected by copyright law and international treaties. Please extract contents to view the software license agreement before installing the software update.
Recommended

Check compatibility

Enter your Dell Service Tag or model

Want to look up your product? Enter a product identifier. Show me how

This driver is not compatible

This driver is not applicable for the selected product. Choose another product to re-enter your product details for this driver or visit the Product Support page to view all drivers for a different product.

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

Please refer to the attached release notes for fixes and enhancements.
Read More

Version

25.07, A00

Release date

17 Dec 2025

Download Type

Driver

Category

Network, Ethernet & Wireless

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Available formats

File Format: Update Package for MS Windows 64-Bit.
File Name: Network_Driver_PWYXM_WN64_25.07_A00_01.EXE
File Size: 268.08 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.
To ensure the integrity of your download, please verify the checksum value.
MD5:
b769d96a29f820bccb60bfc184ee6ae7
SHA1:
042506ed9bb88428e6c8f0d9ee7cd4c80ba255dd
SHA-256:
4ca0e87baadc0f1cd4562c8dc4b7bf9db82fa76d7dcab5e43e40007552d23cf9

File Format: Ext-Tech-Docs
File Name: nvidia-winof-2-documentation-v25-7-50000.50000.pdf
File Size: 15.41 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
To ensure the integrity of your download, please verify the checksum value.
MD5:
d6d06d0a84d9ab939e3a1542d4de805d
SHA1:
9316a1b42528ca7971d117325e3d17d6113e1ff0
SHA-256:
dee7904a47c598c4e46b6a12cd6a34582bee3dbf66e4ec010dcfe8028837301d

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

Show All | Hide All
AZURE STACK HCI
Windows Server 2022 LTSC
Windows Server 2025 LTSC
Windows 10, 64-bit
Mellanox ConnectX-4 Lx Dual Port 25 GbE DA/SFP Network Adapter
Mellanox ConnectX-4 Lx Dual Port 25 GbE DA/SFP rNDC
Mellanox ConnectX-4 Lx Dual Port 25 GbE KR Mezzanine Card
Mellanox ConnectX-5 Dual Port 25GbE SFP28 PCIe Adapter
Mellanox ConnectX-5 EX Dual Port 100 GbE QSFP Network Adapter
Mellanox ConnectX-6 Dx Dual Port 100GbE QSFP56 PCIe Adapter
Mellanox ConnectX-6 Single Port HDR QSFP56 PCIE Adapter
Mellanox ConnectX-6 Single Port HDR100 QSFP56 PCIE Adapter
Mellanox Family of Server Adapters Drivers
NVIDIA ConnectX-6LX Dual Port 25G GbE SFP28 Network Adapter
Nvidia ConnectX-7 Single Port NDR (w/VPI) OSFP
NVidia ConnectX-7 Single Port NDR OSFP Adapter
Nvidia ConnectX-7 Single Port NDR200 (w/VPI) OSFP
NVidia ConnectX-7 Single Port NDR200 OSFP Adapter

Need help with network connection issues?

Find a solution in Dell's network troubleshooting guide

Drivers help and tutorials