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:
All

Operating System:
All

Title
ATTO ConfigTool Linux

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ConfigTool version — 4.41 — Updated on 2024-06-07
The 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.
ATTO ConfigTool macOS

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ConfigTool version: — 4.41
Product Release Notes — Updated on 2024-07-17
The 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.
ATTO ConfigTool Windows

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ConfigTool version: — 4.41 — Updated on 2024-06-07
The 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 16/32/64Gb Fibre Channel Driver FreeBSD

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Driver version — 2.02
Product Release Notes — Updated on 2023-03-31
Proprietary FreeBSD device driver for Celerity 16/32/64Gb Fibre Channel Host Bus Adapters.

Supports the following FreeBSD versions: FreeBSD 12, 13.
Celerity 16/32/64Gb Fibre Channel Driver Illumos

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Driver version — 1.07
Product Release Notes — Updated on 2023-01-31
Proprietary Illumos device driver for Celerity 16/32/64Gb Fibre Channel Host Bus Adapters.

Supports the following versions: OpenIndiana, OmniOS, NexentaStor 4, NexentaStor 5, NestOS.
Celerity 16/32/64Gb Fibre Channel Driver Linux

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Driver version: — 2.12
Product Release Notes — Updated on 2025-03-06
Proprietary Linux device driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following Linux Distributions: Red Hat Enterprise Linux 8 & 9, Rocky Linux 8 & 9, openSUSE Leap 15, SUSE Linux Enterprise Server 15, Ubuntu 22.04 LTS & 24.04 LTS.
Celerity 16/32/64Gb Fibre Channel Driver macOS

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Driver version — 3.11
Product Release Notes — Updated on 2024-11-07
macOS device driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following macOS Versions: macOS 15 Sequoia, macOS 14 Sonoma & macOS 13 Ventura.

In macOS 11, Apple introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit here.

When installing an ATTO driver on macOS, you may get a pop-up message warning stating that “this is a system extension that will be incompatible with a future version of macOS.” There is no need to be concerned. ATTO currently uses Kernel Extension Drivers to provide the highest-performing drivers possible.
Celerity 16/32/64Gb Fibre Channel Driver Windows

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Driver version — 2.10
Product Release Notes — Updated on 2024-11-07
Windows device driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 and Windows Server 2016, 2019, 2022 & 2025.
Celerity 16/32/64Gb Fibre Channel Flash Bundle FreeBSD

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Flash Bundle version — 10/10/2024
Product Release Notes — Updated on 2024-11-07
FreeBSD flash bundle for Celerity 16/32/64Gb Fibre Channel Host Bus Adapters.

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

Supported Products: Celerity FC-161P, Celerity FC- 162P, Celerity FC-164P, Celerity FC-321E, Celerity FC-321E, Celerity FC-324E, Celerity FC-321P, Celerity FC- 322P, Celerity FC-324P, Celerity FC-641E and Celerity FC- 642E.
Celerity 16/32/64Gb Fibre Channel Flash Bundle Illumos

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Flash Bundle version — 10/10/2024
Celerity 16/32/64Gb Fibre Channel Flash Bundle Illumos PRN — Updated on 2024-11-07
Illumos flash bundle for Celerity 16/32/64Gb Fibre Channel Host Bus Adapters.

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

Supported Products: Celerity FC-161P, Celerity FC- 162P, Celerity FC-164P, Celerity FC-321E, Celerity FC-321E, Celerity FC-324E, Celerity FC-321P, Celerity FC- 322P, Celerity FC-324P, Celerity FC-641E and Celerity FC- 642E.
Celerity 16/32/64Gb Fibre Channel Flash Bundle Linux

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Flash Bundle version — 10/10/2024
Product Release Notes — Updated on 2024-11-07
Linux flash bundle for Celerity 16/32/64Gb Fibre Channel adapters.

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

Supported Products: Celerity FC-161P, Celerity FC- 162P, Celerity FC-164P, Celerity FC-321E, Celerity FC-322E, Celerity FC-324E, Celerity FC-321P, Celerity FC- 322P, Celerity FC-324P, Celerity FC-641E and Celerity FC- 642E.
Celerity 16/32/64Gb Fibre Channel Flash Bundle macOS

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Flash Bundle version — 10/10/2024
Product Release Notes — Updated on 2024-11-07
macOS flash bundle for Celerity 16/32/64Gb Fibre Channel adapters.

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

Supported Products: Celerity FC-161P, Celerity FC- 162P, Celerity FC-164P, Celerity FC-321E, Celerity FC-321E, Celerity FC-324E, Celerity FC-321P, Celerity FC- 322P, Celerity FC-324P, Celerity FC-641E and Celerity FC- 642E.
Celerity 16/32/64Gb Fibre Channel Flash Bundle VMware

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Flash Bundle version — 10/10/2024
Product Release Notes — Updated on 2024-11-07
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.
Celerity 16/32/64Gb Fibre Channel Flash Bundle Windows

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Flash Bundle version — 10/10/2024
Product Release Notes — Updated on 2024-11-07
Windows flash bundle for Celerity 16/32/64Gb Fibre Channel adapters.

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

Supported Products: Celerity FC-161P, Celerity FC- 162P, Celerity FC-164P, Celerity FC-321E, Celerity FC-321E, Celerity FC-324E, Celerity FC-321P, Celerity FC- 322P, Celerity FC-324P, Celerity FC-641E and Celerity FC- 642E.
Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver Linux

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Driver version: — 2.12-MP
Product Release Notes — Updated on 2025-03-06
ATTO MultiPath Director is a proprietary driver that enables Linux hosts to connect to storage systems that support ALUA for failover, failback and load balancing across Fibre Channel ports.

Supports the following Linux Distributions: Red Hat Enterprise Linux 8 & 9, Rocky Linux 8 & 9, openSUSE Leap 15, SUSE Linux Enterprise Server 15, Ubuntu 22.04 LTS & 24.04 LTS.
Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver macOS

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Driver version — 3.11-MP
Product Release Notes — Updated on 2024-11-07
ATTO MultiPath Director is a proprietary driver that enables macOS hosts to connect to storage systems that support ALUA for failover, failback and load balancing across Fibre Channel ports.

Supports the following macOS Versions: macOS 15 Sequoia, macOS 14 Sonoma & macOS 13 Ventura.

In macOS 11, Apple introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit here.

When installing an ATTO driver on macOS, you may get a pop-up message warning stating that “this is a system extension that will be incompatible with a future version of macOS.” There is no need to be concerned. ATTO currently uses Kernel Extension Drivers to provide the highest-performing drivers possible.
Celerity 8Gb Fibre Channel Driver Linux

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Driver version — 2.28
Product Release Notes — Updated on 2024-11-07
Proprietary Linux device driver for 8Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following Linux Distributions: Red Hat Enterprise Linux 8 & 9, Rocky Linux 8 & 9, openSUSE Leap 15, SUSE Linux Enterprise Server 15, Ubuntu 22.04 LTS & 24.04 LTS.
Celerity 8Gb Fibre Channel Driver macOS

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Driver version — 3.37
Product Release Notes — Updated on 2024-06-24
macOS device driver for 8Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following macOS Versions: macOS 15 Sequoia, macOS 14 Sonoma & macOS 13 Ventura.

In macOS 11, Apple introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit here.

When installing an ATTO driver on macOS, you may get a pop-up message warning stating that “this is a system extension that will be incompatible with a future version of macOS.” There is no need to be concerned. ATTO currently uses Kernel Extension Drivers to provide the highest-performing drivers possible.
Celerity 8Gb Fibre Channel Driver Windows

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Driver version — 2.13
Product Release Notes — Updated on 2024-11-07
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 Linux

FileAction
Flash Bundle version — 04/06/2018
Product Release Notes — Updated on 2021-04-28
Linux 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.

 
Celerity 8Gb Fibre Channel Flash Bundle macOS

FileAction
Flash Bundle version — 04/06/2018
Product Release Notes — Updated on 2021-04-28
macOS 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.
Celerity 8Gb Fibre Channel Flash Bundle VMware

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vmw_fls_celerity8_171213.tgz — 171213 — Updated on 2017-12-13
Celerity 8Gb Fibre Channel Flash Bundle VMware PRN — 171213 — Updated on 2017-12-13
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.
Celerity 8Gb Fibre Channel Flash Bundle Windows

FileAction
Flash Bundle version — 04/06/2018
Product Release Notes — Updated on 2021-04-28
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.
Celerity 8Gb Fibre Channel Multi-Path Director Driver macOS

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Multi-Path Director version — 3.37MP
Product Release Notes — Updated on 2024-07-09
ATTO MultiPath Director is a proprietary driver that enables macOS hosts to connect to storage systems that support ALUA for failover, failback and load balancing across Fibre Channel ports.

Supports the following macOS Versions: macOS 15 Sequoia, macOS 14 Sonoma & macOS 13 Ventura.

In macOS 11, Apple introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit here.

When installing an ATTO driver on macOS, you may get a pop-up message warning stating that “this is a system extension that will be incompatible with a future version of macOS.” There is no need to be concerned. ATTO currently uses Kernel Extension Drivers to provide the highest-performing drivers possible.
Celerity 8Gb Fibre Channel MultiPath Director Driver Linux

FileAction
Driver version — 2.28-MP
Product Release Notes — Updated on 2024-11-07
ATTO MultiPath Director is a proprietary driver that enables Linux hosts to connect to storage systems that support ALUA for failover, failback and load balancing across Fibre Channel ports.

Supports the following Linux Distributions: Red Hat Enterprise Linux 8 & 9, Rocky Linux 8 & 9, openSUSE Leap 15, SUSE Linux Enterprise Server 15, Ubuntu 22.04 LTS & 24.04 LTS.
CLI Tools VMware

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CLI Tools version — 20201022
Product Release Notes — Updated on 2020-10-22
Please see Product Release Notes for a list of supported operating systems.

ATTO recommends our customers use the latest drivers available. If you require the latest version, please download here. 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.
MultiPath Director Windows

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Multi-Path Director Version — 2.25
Product Release Notes — Updated on 2023-03-16
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 2016, 2019, 2022.

Requires the latest Windows Device Driver to also be installed alongside the MultiPath Director.
vConfigTool for VMware 5.5/6.5

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vConfigTool Version — 1.10
Product Release Notes — Updated on 2018-04-09
The ATTO vConfigTool offers remote management features that allow you to set up, optimize and manage both locally and remotely connected ATTO products. Refer to the Utilities Manual tor details.
vConfigTool for VMware 6.7/7.0

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vConfigTool version — 1.30
Product Release Notes — Updated on 2021-03-24
The ATTO vConfigTool offers remote management features that allow you to set up, optimize and manage both locally and remotely connected ATTO products. Refer to the Utilities Manual tor details.