Driver Details

Seagate SAS ST9500430SS firmware version DS66.

This release contains firmware version DS66 for Seagate 7.2K SAS 2.5 500GB 6Gb Hard Drive. Drive model ST9500430SS.

Fixes & Enhancements

Resolves a performance issue that can occur when running background scans
Resolves a rare issue that can cause drive to hang on power cycle
Resolves an issue with dual port configurations when receiving same command on both ports
Improved drive connectivity
Improved error handling
Improved SMART error logging


Version DS66, A06


SAS Drive

Release date

20 Jan 2014

Last Updated

20 Jan 2014



Available formats

File Format:Update Package for Microsoft® Windows®
File Name:SAS-Drive_Firmware_5WTTD_WN32_DS66_A06.EXE
Download Type:HTTP
File Size: 5MB
Format DescriptionDell 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
Microsoft 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 Ent Linux 6
Red Hat Ent Linux 5
Novell SuSE Linux ES 10
Microsoft Windows Server 2008 x86
Microsoft Windows Server 2003
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2003 x64

Applies to

Seagate SAS ST9500430SS

Installation 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.

Important Information

This update will not run if any of the following conditions exist
1. Any Virtual Disk that is not optimal.
2. A RAID container that is performing a Background Initialization or Consistency Check.
3. A Rebuild, Resync, or copyback function is taking place.
4. A RAID set that is Partially Degraded or in a Degraded state.

This update will run on drives remaining in a RAID set that is in a Offline state.
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Drivers help and tutorials

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.​

My download lists

My download lists enables you to create and save lists of drivers to install at a later time. Lists can only be saved by logging into your existing account or creating a new one, and selecting “Save this list.”
Learn more
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.