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Dell Express Flash NVMe PCIe SSD 9550 U.2 and E3.S ISE Firmware Maintenance Release

Driver Id : 4WN4V
Importance : Recommended
Version : 1.1.0, A01 Latest version Recommended version Latest and Recommended version
Release Date : 24 Apr 2026
Download Type : Firmware
Category : Solid State Storage
Dell Express Flash NVMe PCIe SSD 9550 U.2 and E3.S ISE Firmware Maintenance Release

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: Express-Flash-PCIe-SSD_Firmware_4WN4V_WN64_1.1.0_A01.EXE
File size: 27.22 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 0336a2d5c2ee3873bf7e6ab1aac8e134
SHA1: f7b2eb044669c1ec66c5ce0234987b1aa1c7f2d6
SHA-256: bd34c116babb0ec39ce1452148cc809701e62acd89364fa60cec63c0fc44d1ae
File Format: The GPG signature for Linux ARM update package can be used to verify the authenticity of the associated Linux ARM DUP. You can download from Dell download page.
File Name: Express-Flash-PCIe-SSD_Firmware_4WN4V_LNARM64_1.1.0_A01.BIN.sign
File size: 842 Bytes
To ensure the integrity of your download, please verify the checksum value.
MD5: 10bf3de3f79f65cc2b40a1c9ba51eb53
SHA1: d7129de343843613aea738dcbceff1d324ed2d32
SHA-256: f1aa6d795ea5a4df7f20c3c4063e161ac143e93734c71176851309f93d9c2052
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: Express-Flash-PCIe-SSD_Firmware_4WN4V_LN64_1.1.0_A01.BIN.sign
File size: 842 Bytes
To ensure the integrity of your download, please verify the checksum value.
MD5: d8003c8c3c8eb4c94a9bfbfeca0aeeef
SHA1: 63b3dab9b1939ea98f351935b526b2762d708664
SHA-256: 6364c84f2c0d83cac34df7756dfa1b383523500d85f578f177573077ebf18a76
File Format: This file format contains plain text which can be viewed with a standard text editor.
File Name: Express-Flash-PCIe-SSD_Firmware_4WN4V_1.1.0_A01.txt
File size: 5.43 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: 2562eabcc2411cad3d6e8009fe43b4dc
SHA1: d0284723b39b2035773b861ccd1b0ea53e362a96
SHA-256: 470f90e865cd99484130a50be8186fe1b28262e5e87555bcfcffb60e3f689b83
File Format: The Linux ARM update package can be used to update driver/firmware for a Linux ARM based server. You can download from Dell download page.
File Name: Express-Flash-PCIe-SSD_Firmware_4WN4V_LNARM64_1.1.0_A01.BIN
File size: 10.08 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 9a8287de5a0a749c8a01921975b0d7c5
SHA1: 93f1dc8ae530de04ae41703953add8ac518943d2
SHA-256: af63376d4c37d1957c8403d814c18832797ef4696264b90c4c45566ef98f3dce
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: Express-Flash-PCIe-SSD_Firmware_4WN4V_LN64_1.1.0_A01.BIN
File size: 10.51 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: f97c5d8e61e19a8e23caecb5e3cb797b
SHA1: fd0c7af64f0614f48de853eea0c55fec877180fc
SHA-256: 8bd0719a8d40e88f575fc341c45e61277369853a9f688ef70341abd2194d024d