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.
Select an ATTO Product plus a Product Family to begin:
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 32/64Gb Gen 7 HBAs
Operating System:
All
| Title | ||
|---|---|---|
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ATTO360 Storage Linux |
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. |
Download |
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ATTO360 Storage macOS |
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. |
Download |
|
ATTO360 Storage Windows |
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. |
Download |
|
Celerity 16/32/64Gb Fibre Channel Driver FreeBSD |
Proprietary FreeBSD device driver for Celerity 16/32/64Gb Fibre Channel Host Bus Adapters. Supports the following FreeBSD versions: FreeBSD 13 & 14. |
Download |
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Celerity 16/32/64Gb Fibre Channel Driver illumos |
Proprietary illumos device driver for Celerity 16/32/64Gb Fibre Channel Host Bus Adapters. Supports the following versions: OpenIndiana, OmniOS, NexentaStor 4 & 5, NestOS. |
Download |
|
Celerity 16/32/64Gb Fibre Channel Driver Linux |
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 & 10, Rocky Linux 8, 9 & 10, openSUSE Leap 15, SUSE Linux Enterprise Server 15, Ubuntu 22.04 LTS & 24.04 LTS. |
Download |
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Celerity 16/32/64Gb Fibre Channel Driver macOS – DEXT |
macOS device dext driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters. Supports the following macOS Versions: macOS 26 Tahoe. |
Download |
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Celerity 16/32/64Gb Fibre Channel Driver macOS – KEXT |
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 kext 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. |
Download |
|
Celerity 16/32/64Gb Fibre Channel Driver Windows |
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. |
Download |
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Celerity 16/32/64Gb Fibre Channel Flash Bundle FreeBSD |
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 , Celerity FC-642E and Celerity FC- 644E. |
Download |
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Celerity 16/32/64Gb Fibre Channel Flash Bundle illumos |
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 , Celerity FC-642E and Celerity FC- 644E. |
Download |
|
Celerity 16/32/64Gb Fibre Channel Flash Bundle Linux |
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-321E, Celerity FC-324E, Celerity FC-321P, Celerity FC- 322P, Celerity FC-324P, Celerity FC-641E , Celerity FC-642E and Celerity FC- 644E. |
Download |
|
Celerity 16/32/64Gb Fibre Channel Flash Bundle macOS |
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 , Celerity FC-642E and Celerity FC- 644E. |
Download |
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Celerity 16/32/64Gb Fibre Channel Flash Bundle VMware |
VMware flash bundle for Celerity 16/32/64Gb Fibre Channel 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: 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 , Celerity FC-642E and Celerity FC- 644E. |
Download |
|
Celerity 16/32/64Gb Fibre Channel Flash Bundle Windows |
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 , Celerity FC-642E and Celerity FC- 644E. |
Download |
|
Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver Linux |
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 & 10, Rocky Linux 8, 9 & 10, openSUSE Leap 15, SUSE Linux Enterprise Server 15, Ubuntu 22.04 LTS & 24.04 LTS. |
Download |
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Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver macOS – DEXT |
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 26 Tahoe. |
Download |
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Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver macOS – KEXT |
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 kext 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. |
Download |
|
MultiPath Director Windows |
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. |
Download |