Hitachi NL SAS HUS723020ALS640 and HUS723030ALS640 firmware version M2D4.

This release contains firmware version M2D4 for Hitachi NL SAS (7.2K rpm 3.5 SAS) 2TB and 3TB Hard Drives. Dell. Vendor model numbers HUS723020ALS640 and HUS723030ALS640.

Fixes & Enhancements

Resolves issue with false drive failures. Reseat drive and flash using M2D4 prior to replacing drive.
Resolves issue with incorrect sense code when resuming from idle
Improves sequential Read / Write performance
Improved drive error handling
Improved drive long term reliability


Version M2D4, A02


SAS Drive

Release date

31 Jul 2012

Last Updated

07 May 2014


Available formats

File Format:Update Package for Microsoft® Windows®
File Name:SAS-Drive_Firmware_6C17T_WN32_M2D4_A02.EXE
Download Type:HTTP
File Size: 6 MB
Format Description:Dell Update Packages (DUP) in Microsoft Windows 32bit format have been designed to run on Microsoft Windows 64bit Operating Systems. Dell Update Packages (DUP) in Microsoft Windows 64bit format will only run on Microsoft Windows 64bit Operating Systems. When selecting a device driver update be sure to select the one that is appropriate for your operating system.
To ensure the integrity of your download, please verify the checksum value.

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

Supported Operating Systems
Novell SuSE Linux ES 11
Windows Server 2008 x64
Red Hat Ent Linux 4.5
Red Hat Ent Linux 4.6
Suse Linux ES 9
Suse Linux ES 10
Red Hat Enterprise Linux 4.5
Red Hat Ent Linux 4.7
Red Hat Ent Linux 5.2
Red Hat Enterprise Linux 6
Red Hat Ent Linux 5
Novell SuSE Linux ES 10
Windows Server 2008 x86
Windows Server 2003
Windows Server 2008 R2
Windows Server 2003 x64
Applies to
HITACHI Ultrastar 7K3000 2TB SAS 7.2K RPM
HITACHI Ultrastar 7K3000 3TB SAS 7.2K RPM
Installation instructions
Dell Update Package Instructions:


1. Click the "Download Now" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.


1. Browse to the location where you downloaded the file and double-click the new file.
2. Read over the release information presented in the dialog window.
3. Download and install any prerequisites identified in the dialog window before proceeding.
4. Click the Install button.
5. Follow the remaining prompts to perform the update.
Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell highly recommends applying this update as soon as possible. The update contains changes to improve the reliability and availability of your Dell system.