ATTO Software Downloads Archive

The following are archived versions of ATTO drivers and software.

Click here for current 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:
Windows

Title
Archived ExpressSAS 12Gb GT Driver Windows
Files in Package:
  • Driver Version (v1.09) 4.3 MB
  • Product Release Notes 173.26 KB
 Archived Windows device driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 & Windows Server 2019, 2022, 2025. 		Download
Archived ExpressSAS 12Gb GT Driver Windows
Files in Package:
  • Driver version: (v1.08) 4.29 MB
  • Product Release Notes 170.91 KB
 Archived Windows device driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 & Windows Server 2016, 2019, 2022. 		Download
ExpressSAS 12Gb GT Driver Windows
Files in Package:
  • Driver Version (v1.10) 4.31 MB
  • Product Release Notes 179.84 KB
 Windows device driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11, Windows Server 2016, 2019, 2022 & 2025. 		Download
ExpressSAS 12Gb GT WHQL Driver Windows 10
Files in Package:
  • WHQL Driver version (v1.00) 13.51 MB
 Windows Hardware Quality Labs (WHQL) driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following versions of Windows: Windows 10 		Download
ExpressSAS 12Gb GT WHQL Driver Windows 2019
Files in Package:
  • WHQL Driver version (v1.00) 13.51 MB
 Windows Hardware Quality Labs (WHQL) driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following versions of Windows: Windows Server 2019
 		Download
ExpressSAS 24Gb Driver Windows Archive
Files in Package:
  • Driver version (v1.00) 4.02 MB
  • Product Release Notes 148.88 KB
 Archived Windows device driver for ExpressSAS 24Gb Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 & Windows Server 2019, 2022. 		Download
ExpressSAS 24Gb Flash Bundle Windows Archive
Files in Package:
  • Flash Bundle Version: (v2024/09/27) 10.77 MB
  • Product Release Notes 104.92 KB
 Archived Windows flash bundle for ExpressSAS 24Gb 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. 		Download