Dell Express Flash NVMe P5520/P5620 PCIe SSD Firmware Release
Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.Dell Express Flash NVMe P5520/5620 PCIe SSD Firmware Release MR4
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Version
1.5.0, A04
Release date
12 Jan 2026
Download Type
Firmware
Category
Solid State Storage
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: Express-Flash-PCIe-SSD_Firmware_12W9R_WN64_1.5.0_A04.EXE
File Size: 26.61 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:
2b5bbbbb81b9b2b168e43af04d93c2c2
SHA1:
e6efea67adaeb40b0e22b0cb4561191154ccc69e
SHA-256:
7ecfa6186978d0e73b54cbfa6b7f66e71b64f909b90829f9179930a1d7c2e441
File Format: A GnuPG file which contains a cryptographic signature
File Name: Express-Flash-PCIe-SSD_Firmware_12W9R_LN64_1.5.0_A04.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:
c3a2dca5ced8c8e1f503a1d309080ea8
SHA1:
d26aea7c0d0fcd0f605b3b7bf8d7f66cdeb41486
SHA-256:
458c33f2a0dda67530fcbe4235cd9d50d0c6bdc502975d7ac5a7355353bf499b
File Format: External release notes
File Name: Express_Flash_PCIe-SSD_Firmware_12W9R_1.5.0_A04.txt
File Size: 4.48 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:
4ce8281dad331aa01ef58b8b240f1021
SHA1:
d992db21cf463f568fed1660897a278f50b13061
SHA-256:
5e2ba3f32b5f2c5553c29e9ac93733a2622e7dcdfe5394d90b872f327b2d03b3
File Format: Update Package for Red Hat Linux
File Name: Express-Flash-PCIe-SSD_Firmware_12W9R_LN64_1.5.0_A04.BIN
File Size: 11.89 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:
e4a549cd77d3393af1e5d4528a8d21d1
SHA1:
ea92071dfe7085b3c0216a0d5d8c39e8663fc12a
SHA-256:
1e6aace87d5b9f8b7b2bcdf2423607da4df377ee4a8c6f97c0fe30706a402ff2
By downloading, you accept the terms of the Dell Software License Agreement.
Supported Operating Systems
AZURE STACK HCI
Red Hat® Enterprise Linux 7
Red Hat® Enterprise Linux 8
Red Hat Enterprise Linux 9
SuSE Linux ES 15
SUSE Linux ES 16 - Update 0 x64
Ubuntu® 18.04.3 LTS
Ubuntu 20.04 LTS
Ubuntu 22.04 LTS
Client Ubuntu 24.04 - U0
Windows Server 2019 LTSC
Windows Server 2022 LTSC
Windows Server 2025 LTSC
VMware ESXi 6.7
VMware ESXi 7.0
VMware ESXi 8.0
Applies to
Dell EMC PowerEdge Express Flash Ent NVMe ISE P5620 MU U.2 Gen4 1.6TB
Dell EMC PowerEdge Express Flash Ent NVMe ISE P5520 RI U.2 Gen4 1.92TB
Dell EMC PowerEdge Express Flash Ent NVMe ISE P5520 RI U.2 Gen4 15.36TB
Dell EMC PowerEdge Express Flash Ent NVMe ISE P5520 RI U.2 Gen4 3.84TB
Dell EMC PowerEdge Express Flash Ent NVMe ISE P5520 RI U.2 Gen4 7.68TB
Dell EMC PowerEdge Express Flash Ent NVMe ISE P5620 MU U.2 Gen4 12.8TB
Dell EMC PowerEdge Express Flash Ent NVMe ISE P5620 MU U.2 Gen4 3.2TB
Dell EMC PowerEdge Express Flash Ent NVMe ISE P5620 MU U.2 Gen4 6.4TB
Dell EMC PowerEdge Express Flash Ent NVMe SED P5520 RI U.2 Gen4 1.92TB
Dell EMC PowerEdge Express Flash Ent NVMe SED P5520 RI U.2 Gen4 15.36TB
Dell EMC PowerEdge Express Flash Ent NVMe SED P5520 RI U.2 Gen4 3.84TB
Dell EMC PowerEdge Express Flash Ent NVMe SED P5520 RI U.2 Gen4 7.68TB
Dell EMC PowerEdge Express Flash Ent NVMe SED P5620 MU U.2 Gen4 1.6TB
Dell EMC PowerEdge Express Flash Ent NVMe SED P5620 MU U.2 Gen4 12.8TB
Dell EMC PowerEdge Express Flash Ent NVMe SED P5620 MU U.2 Gen4 3.2TB
Dell EMC PowerEdge Express Flash Ent NVMe SED P5620 MU U.2 Gen4 6.4TB
SWB,FW,PCIESSSD4.4,P5X20 ISE
SWB,FW,PCIESSSD4.4,P5X20,MR1
SWB,FW,PCIESSSD4.4,P5X20,MR2
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