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:
Celerity

Product Family:
Celerity 8Gb HBAs

Operating System:
Windows

Title
ATTO ConfigTool Windows

1 file
ConfigTool version:
v4.410 KB2024-06-07
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.
Celerity 8Gb Fibre Channel Driver Windows

2 files
Driver version
v2.133.27 MB
Product Release Notes
204.27 KB2024-11-07
Windows device driver for 8Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 and Windows Server 2016, 2019, 2022 & 2025.
Celerity 8Gb Fibre Channel Flash Bundle Windows

2 files
Flash Bundle version
v04/06/2018687.21 KB
Product Release Notes
127.32 KB2021-04-28
Windows flash bundle for Celerity 8Gb Fibre Channel adapters.

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

Supported Products: Celerity FC-81EN, Celerity FC-82EN and Celerity FC-84EN.
MultiPath Director Windows

2 files
MultiPath Director Version
v2.262.24 MB
Product Release Notes
255.22 KB2025-07-16
ATTO MultiPath Director is a proprietary driver that enables Windows hosts to connect to storage systems that support ALUA for failover, failback and load balancing across Fibre Channel ports.

Supports the following versions of Windows: Windows 10, 11 & Windows Server 2019, 2022 & 2025.

Requires the latest Windows Device Driver to also be installed alongside the MultiPath Director.