NVIDIA Mellanox Firmware Release 26.48.1000 for the Industry-Standard NVIDIA Mellanox ConnectX-6 LX Ethernet Adapters
Restart required 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 firmware release 26.48.1000 on the industry-standard NVIDIA Mellanox ConnectX-6 LX adapters. This release provides continued code optimization to improve performance.
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Version
26.48.1000, A00
Release date
02 Apr 2026
Download Type
Firmware
Category
Network, Ethernet & Wireless
Importance
OptionalDell Technologies recommends reviewing this update to determine if it applies to your system. The update contains changes that impact only certain configurations or provides new features that may or may not apply to your environment.
Available formats
File Format: Update Package for MS Windows 64-Bit.
File Name: Network_Firmware_KX0W4_WN64_26.48.1000_A00.EXE
File Size: 38.01 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:
8cd8704d6183c15b8466a24899cc6200
SHA1:
bd07ebd057abde9e6b150862df01bd3cdec73251
SHA-256:
94cac23a1747de4b78671b667b6cdb5c81b3e84b073a93fec944697413358af0
File Format: Ext-Tech-Docs
File Name: NVIDIA ConnectX-6 Lx Adapter Cards Firmware Release Notes v26.48.1000 (February 2026 GA Release).pdf
File Size: 209.56 KB
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:
93476a7662df0aa4265420c805089479
SHA1:
309b92617f731bb500e85f8c89011ed38f191b67
SHA-256:
f6341e37d9a6cccf6e283c26fccef7f21505c044d73c8b0a2150ae6d67076fea
File Format: A GnuPG file which contains a cryptographic signature
File Name: Network_Firmware_KX0W4_LN_26.48.1000_A00.BIN.sign
File Size: 842 Bytes
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
The GnuPG signature for Red Hat Linux Update Package can be used to authenticate Dell's identity in the correlated Red Hat Linux Update Package.
To ensure the integrity of your download, please verify the checksum value.
MD5:
75197db005e55c0f488093c16c1273b6
SHA1:
8c5569c4fc69f252232152595e5a61211063e6c1
SHA-256:
96b53cd564c5b8caf30db85b68a0fc74bdae034bc33ec9de6b19bbc552e0784c
File Format: External release notes
File Name: CX6LX_firmware_release.txt
File Size: 2.21 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.
MD5:
27e7f40943c63f8e19c9515f2b0ed27d
SHA1:
9f2373f1695845d69a271864a7844033f85d5a63
SHA-256:
17cd91e08a00ef29947801694d827a4e57cd0b025abf2cb1f96a1fee162998f7
File Format: Update Package for Red Hat Linux
File Name: Network_Firmware_KX0W4_LN_26.48.1000_A00.BIN
File Size: 40.08 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages for Linux can be used as stand-alone applications that ensure that specific validation criteria are met, then apply an update.
Note: Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.
Note: Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.
To ensure the integrity of your download, please verify the checksum value.
MD5:
e8134de15ad27ee9fc7e1123875a9ba2
SHA1:
df209a5e9587e8c0f2c3c05998e413b7abe17921
SHA-256:
6a650e2c720b64d25d93289a0f92b62fee2319efa4a10e77e5d9ce1285c88036
By downloading, you accept the terms of the Dell Software License Agreement.
Supported Operating Systems
AZURE STACK HCI
Red Hat Enterprise Linux 10
Red Hat® Enterprise Linux 8
Red Hat Enterprise Linux 9
SuSE Linux ES 15
SUSE Linux ES 16 - Update 0 x64
Ubuntu Server 24.04 - U3
Windows Server 2022 LTSC
Windows Server 2025 LTSC
Windows 10, 64-bit
Applies to
INFO,FWLCK,CX6LX,26.46.3048
Mellanox ConnectX-6 Lx Family of Server Adapters Firmware
NVIDIA ConnectX-6 Lx Dual Port 25GbE SFP28 OCP 3.0
NVIDIA ConnectX-6LX Dual Port 25G GbE SFP28 Network Adapter
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