ATTO Software Downloads

The following are current versions of ATTO drivers and software.

Click here for archived ATTO drivers and software. Drivers and software for discontinued ATTO products are here.

If a driver or software package does not appear on this list, it may still be available by contacting ATTO Tech Support.

The current sort appears below. SEARCH the sorted file listing using the search box (when each sort filter is set to “all”, all files are searched).

ATTO Product:
ExpressSAS

Product Family:
All

Operating System:
All

Title
ATTO360 Storage Linux

Files in Package:
  • ATTO360 Storage Version (v2.01) 102.82 MB
  • Product Release Notes 207.13 KB
A brand new ConfigTool, ATTO360 Storage combines all the features of our popular management application with the powerful benefits found in our ATTO360 software.

Easily monitor and configure ATTO adapter settings, instantly optimize with 1 click tuning profiles, and lean on ATTO ExpertAI to eliminate bottlenecks and costly downtime.

The latest drivers and flash bundle are included with ATTO360 Storage. More information about supported products and supported versions can be found in the ReadMe file downloaded with ATTO360 Storage.
ATTO360 Storage macOS

Files in Package:
  • ATTO360 Storage Version (v2.01) 143.13 MB
  • Product Release Notes 206.93 KB
A brand new ConfigTool, ATTO360 Storage combines all the features of our popular management application with the powerful benefits found in our ATTO360 software.

Easily monitor and configure ATTO adapter settings, instantly optimize with 1 click tuning profiles, and lean on ATTO ExpertAI to eliminate bottlenecks and costly downtime.

 

The latest drivers and flash bundle are included with ATTO360 Storage. More information about supported products and supported versions can be found in the ReadMe file downloaded with ATTO360 Storage.
ATTO360 Storage Windows

Files in Package:
  • ATTO360 Storage Version (v2.01) 148.56 MB
  • Product Release Notes 206.73 KB
A brand new ConfigTool, ATTO360 Storage combines all the features of our popular management application with the powerful benefits found in our ATTO360 software.

Easily monitor and configure ATTO adapter settings, instantly optimize with 1 click tuning profiles, and lean on ATTO ExpertAI to eliminate bottlenecks and costly downtime.

 

The latest drivers and flash bundle are included with ATTO360 Storage. More information about supported products and supported versions can be found in the ReadMe file downloaded with ATTO360 Storage.
ConfigTool Linux

Files in Package:
  • ConfigTool version (v4.41) 25.19 MB
The Legacy ATTO ConfigTool offers a graphical user interface to easily monitor and manage ATTO host bus adapter settings for specialized applications. It can be used to view the drivers and flash files currently in use, easily update the firmware, collect diagnostic logs and configure adapter settings.

ATTO ConfigTool requires a supported ATTO Product. The HBA drivers and firmware are not included with the utility.
ConfigTool macOS

Files in Package:
  • ConfigTool version: (v4.41) 117.07 MB
  • Product Release Notes 342.42 KB
The Legacy ATTO ConfigTool offers a graphical user interface to easily monitor and manage ATTO host bus adapter settings for specialized applications. It can be used to view the drivers and flash files currently in use, easily update the firmware, collect diagnostic logs and configure adapter settings.

ATTO ConfigTool requires a supported ATTO Product. The HBA drivers and firmware are not included with the utility.
ConfigTool Windows

Files in Package:
  • ConfigTool version: (v4.41)
The Legacy ATTO ConfigTool offers a graphical user interface to easily monitor and manage ATTO host bus adapter settings for specialized applications. It can be used to view the drivers and flash files currently in use, easily update the firmware, collect diagnostic logs and configure adapter settings.

ATTO ConfigTool requires a supported ATTO Product. The HBA drivers and firmware are not included with the utility.
ExpressSAS 12Gb GT Driver FreeBSD

Files in Package:
  • Driver Version (v1.04) 1.34 MB
  • Product Release Notes 172.43 KB
Proprietary FreeBSD device driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following FreeBSD versions: FreeBSD 13 & 14.
ExpressSAS 12Gb GT Driver illumos

Files in Package:
  • Driver Version (v1.04) 1.04 MB
  • Product Release Notes 132.47 KB
Proprietary illumos device driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following illumos versions: OpenIndiana, OmniOS, NexentaStor 4, NexentaStor 5, NestOS.
ExpressSAS 12Gb GT Flash Bundle FreeBSD

Files in Package:
  • Flash Bundle Version (v251212) 5.05 MB
  • Product Release Notes 121.31 KB
FreeBSD flash bundle for ExpressSAS 12Gb GT Host Bus Adapters.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: ExpressSAS H1280GT, ExpressSAS H1208GT, ExpressSAS, H1244GT, ExpressSAS H12F0GT & ExpressSAS H120FGT.
ExpressSAS 12Gb GT Flash Bundle illumos

Files in Package:
  • Flash Bundle Version (v251212) 6.15 MB
  • Product Release Notes 121.31 KB
illumos flash bundle for ExpressSAS 12Gb GT Host Bus Adapters.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: ExpressSAS H1280GT, ExpressSAS H1208GT, ExpressSAS, H1244GT, ExpressSAS H12F0GT & ExpressSAS H120FGT.
ExpressSAS 12Gb GT Flash Bundle VMware

Files in Package:
  • Flash Bundle Version (v251212) 6.15 MB
  • Product Release Notes 121.31 KB
VMware flash bundle for ExpressSAS 12Gb GT Host Bus adapters.

ATTO recommends our customers use the latest drivers available. If you require the latest version, please download them at:

https://www.vmware.com/resources/compatibility/search.php?deviceCategory=io

Select your version of ESXi in the Product Release Version, select ATTO Technology from the Brand list, and within the IO Device type field select the proper protocol.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: ExpressSAS H1280GT, ExpressSAS H1208GT, ExpressSAS, H1244GT, ExpressSAS H12F0GT & ExpressSAS H120FGT.
ExpressSAS 24Gb Driver FreeBSD

Files in Package:
  • Driver version (v1.01) 1.28 MB
  • Product Release Notes 146.62 KB
Proprietary FreeBSD device driver for ExpressSAS 24Gb Host Bus Adapters.

Supports the following FreeBSD versions: FreeBSD 13 (minimum 13.1), FreeBSD 14 (minimum 14.0).

More information can be found in the ATTO ExpressSAS 24Gb SAS Adapter FreeBSD ReadMe file downloaded with the driver.
ExpressSAS 24Gb Driver illumos

Files in Package:
  • Driver Version: (v1.01) 987.14 KB
  • Product Release Notes 145.67 KB
Proprietary illumos device driver for ExpressSAS 24Gb Host Bus Adapters.

Supports the following illumos versions: OpenIndiana, OmniOS, NexentaStor 4, NexentaStor 5, NestOS.

More information can be found in the ATTO ExpressSAS 24Gb SAS Adapter illumos ReadMe file downloaded with the driver.
ExpressSAS 24Gb Flash Bundle FreeBSD

Files in Package:
  • Flash Bundle version (v01/30/2025) 3.8 MB
  • Product Release Notes 107.25 KB
FreeBSD flash bundle for ExpressSAS 24Gb Host Bus Adapters.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: ExpressSAS H24F0, ExpressSAS H240F & ExpressSAS H240N.
ExpressSAS 24Gb Flash Bundle illumos

Files in Package:
  • Flash Bundle Version (v01/30/2025) 10.84 MB
  • Product Release Notes 107.25 KB
illumos flash bundle for ExpressSAS 24Gb Host Bus Adapters.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: ExpressSAS H24F0, ExpressSAS H240F & ExpressSAS H240N.