Skip to main content
Contact Us

NVIDIA Mellanox Firmware Release 26.48.1000 for the Industry-Standard NVIDIA Mellanox ConnectX-6 LX Ethernet Adapters

Restart required
hi testing
Driver Id : KX0W4
Importance : Optional
Version : 26.48.1000, A00 Latest version Recommended version Latest and Recommended version
Release Date : 02 Apr 2026
Download Type : Firmware
Category : Network, Ethernet & Wireless
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.

Download Files

File Format: Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.
File Name: Network_Firmware_KX0W4_WN64_26.48.1000_A00.EXE
File size: 38.01 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 8cd8704d6183c15b8466a24899cc6200
SHA1: bd07ebd057abde9e6b150862df01bd3cdec73251
SHA-256: 94cac23a1747de4b78671b667b6cdb5c81b3e84b073a93fec944697413358af0
Download .EXE
File Name: NVIDIA ConnectX-6 Lx Adapter Cards Firmware Release Notes v26.48.1000 (February 2026 GA Release).pdf
File size: 209.56 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: 93476a7662df0aa4265420c805089479
SHA1: 309b92617f731bb500e85f8c89011ed38f191b67
SHA-256: f6341e37d9a6cccf6e283c26fccef7f21505c044d73c8b0a2150ae6d67076fea
Download .PDF
File Format: 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.
File Name: Network_Firmware_KX0W4_LN_26.48.1000_A00.BIN.sign
File size: 842 Bytes
To ensure the integrity of your download, please verify the checksum value.
MD5: 75197db005e55c0f488093c16c1273b6
SHA1: 8c5569c4fc69f252232152595e5a61211063e6c1
SHA-256: 96b53cd564c5b8caf30db85b68a0fc74bdae034bc33ec9de6b19bbc552e0784c
Download .SIGN
File Format: This file format contains plain text which can be viewed with a standard text editor.
File Name: CX6LX_firmware_release.txt
File size: 2.41 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: 7b90f42fd177fd01abd835f226db18ea
SHA1: 6b51056cb4bace45617606366774a9862c65241d
SHA-256: 8a7d8ebffddf7957a582696e3807cc96ba71483f02ab1d923f732dd9c3822f5e
Download .TXT
File Format: Dell Update Packages for Linux can be used as stand-alone applications that ensure that specific validation criteria are met, then apply an update.<br /><b>Note:</b> Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.
File Name: Network_Firmware_KX0W4_LN_26.48.1000_A00.BIN
File size: 40.08 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: e8134de15ad27ee9fc7e1123875a9ba2
SHA1: df209a5e9587e8c0f2c3c05998e413b7abe17921
SHA-256: 6a650e2c720b64d25d93289a0f92b62fee2319efa4a10e77e5d9ce1285c88036
Download .BIN