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).

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Title
ATTO ConfigTool Linux

FileAction
lnx_app_configtool_441.tgz — 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

FileAction
ATTO ConfigTool Software — 4.41 — Updated on 2024-06-07
ATTO ConfigTool macOS PRN — 4.41 — 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

FileAction
win_app_configtool_441.exe — 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

FileAction
fbsd_drv_celerity16-64_2020f1.txz — 2.02 — Updated on 2023-03-31
Celerity 16/32/64Gb Fibre Channel Driver FreeBSD PRN — 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

FileAction
ilm_drv_celerity16-64_1070f1.tgz — 1.07 — Updated on 2023-01-31
Celerity 16/32/64Gb Fibre Channel Driver illumos PRN — 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

FileAction
lnx_drv_celerity16-64_2110f1.tgz — 2.11 — Updated on 2024-11-07
Celerity 16/32/64Gb Fibre Channel Driver Linux PRN — Updated on 2024-11-07
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

FileAction
macos_kext_celerity16-64_3110f1.dmg — 3.11
Celerity 16/32/64Gb Fibre Channel Driver macOS PRN — 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

FileAction
win_drv_celerity16-64_2100f1.exe — 2.10
Celerity 16/32/64Gb Fibre Channel Driver Windows PRN — 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

FileAction
fbsd_fls_celerity16-64_241010.txz — Updated on 2024-11-07
Celerity 16/32/64Gb Fibre Channel Flash Bundle FreeBSD PRN — 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

FileAction
ilm_fls_celerity16-64_241010.tgz — Updated on 2024-11-07
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

FileAction
lnx_fls_celerity16-64_241010.tgz — Updated on 2024-11-07
Celerity 16/32/64Gb Fibre Channel Flash Bundle Linux PRN — 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

FileAction
macos_fls_celerity16-64_241010.dmg — Updated on 2024-11-07
Celerity 16/32/64Gb Fibre Channel Flash Bundle macOS — 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

FileAction
vmw_fls_celerity16-64_241010.tgz — Updated on 2024-11-07
Celerity 16/32/64Gb Fibre Channel Flash Bundle VMware PRN — 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

FileAction
win_fls_celerity16-64_241010.zip — Updated on 2024-11-07
Celerity 16/32/64Gb Fibre Channel Flash Bundle Windows — 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

FileAction
lnx_drv_celerity16-64_2110f1-mp.tgz — 2.11-MP — Updated on 2024-11-07
Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver Linux PRN — 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.
Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver macOS

FileAction
macos_kext_celerity16-64_3110f1-mp.dmg — 3.11-MP
Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver macOS PRN — 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

FileAction
lnx_drv_celerity8_2280f1.tgz — 2.28 — Updated on 2024-11-07
Celerity 8Gb Fibre Channel Driver Linux PRN — 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

FileAction
macos_kext_celerity8_3370f1.dmg — 3.37 — Updated on 2024-07-09
Celerity 8Gb macOS Device Driver PRN — 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

FileAction
win_drv_celerity8_2130f1.exe — 2.13 — Updated on 2024-11-07
Celerity 8Gb Fibre Channel Driver Windows PRN — 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
lnx_fls_celerity8_180406.tgz — Updated on 2021-04-28
Celerity 8Gb Fibre Channel Flash Bundle Linux PRN — 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
osx_fls_celerity8_180406.dmg — Updated on 2021-04-28
Celerity 8Gb Fibre Channel Flash Bundle macOS PRN — 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

FileAction
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
win_fls_celerity8_180406.zip — Updated on 2021-04-28
Celerity 8Gb Fibre Channel Flash Bundle Windows PRN — 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 MultiPath Director Driver Linux

FileAction
lnx_drv_celerity8_2280f1-mp.tgz — 2.28-MP — Updated on 2024-11-07
Celerity 8Gb Fibre Channel MultiPath Director Driver Linux PRN — 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.
Celerity 8Gb Fibre Channel MultiPath Director Driver macOS

FileAction
macos_kext_celerity8_3370f1-mp.dmg — 3.37MP — Updated on 2024-07-09
Celerity 8Gb macOS MultiPath Director Driver PRN — 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.
CLI Tools VMware

FileAction
CLI Tools - VMware v20201022 — Updated on 2020-10-22
Product Release Notes - VMware v20201022 — 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

FileAction
win_drv_mpdirector_2250f1.exe — 2.25 — Updated on 2023-03-16
MultiPath Director Windows PRN — 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

FileAction
lnx_app_vconfigtool_1100.zip — 1.10 — Updated on 2018-04-09
vConfigTool for VMware 5.5/6.5 PRN — 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

FileAction
lnx_app_vconfigtool_1300.zip — 1.30 — Updated on 2021-03-24
vConfigTool for VMware 6.7/7.0 PRN — 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.