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).
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ATTO ConfigTool Linux
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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. |
Download | ||||||
ATTO ConfigTool macOS
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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. |
Download | ||||||
ATTO ConfigTool Windows
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel Driver FreeBSD
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Proprietary FreeBSD device driver for Celerity 16/32/64Gb Fibre Channel Host Bus Adapters. Supports the following FreeBSD versions: FreeBSD 12, 13. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel Driver Illumos
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel Driver Linux
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel Driver macOS
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel Driver Windows
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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 | ||||||
Celerity 16/32/64Gb Fibre Channel Flash Bundle FreeBSD
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel Flash Bundle Illumos
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel Flash Bundle Linux
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel Flash Bundle macOS
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel Flash Bundle VMware
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel Flash Bundle Windows
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver Linux
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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. |
Download | ||||||
Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver macOS
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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. |
Download | ||||||
Celerity 8Gb Fibre Channel Driver Linux
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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. |
Download | ||||||
Celerity 8Gb Fibre Channel Driver macOS
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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. |
Download | ||||||
Celerity 8Gb Fibre Channel Driver Windows
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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. |
Download | ||||||
Celerity 8Gb Fibre Channel Flash Bundle Linux
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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. |
Download | ||||||
Celerity 8Gb Fibre Channel Flash Bundle macOS
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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. |
Download | ||||||
Celerity 8Gb Fibre Channel Flash Bundle VMware
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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. |
Download | ||||||
Celerity 8Gb Fibre Channel Flash Bundle Windows
|
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. |
Download | ||||||
Celerity 8Gb Fibre Channel MultiPath Director Driver Linux
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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. |
Download | ||||||
Celerity 8Gb Fibre Channel MultiPath Director Driver macOS
|
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. |
Download | ||||||
CLI Tools VMware
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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. |
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 2016, 2019, 2022. Requires the latest Windows Device Driver to also be installed alongside the MultiPath Director. |
Download | ||||||
vConfigTool for VMware 5.5/6.5
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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. | Download | ||||||
vConfigTool for VMware 6.7/7.0
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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. | Download |