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 8Gb HBAs
Operating System:
All
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Celerity 8Gb Fibre Channel Driver Linux Updated: July 7, 2026 Files in Package:
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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 & 10, Rocky Linux 8, 9 & 10, openSUSE Leap 15 & 16, SUSE Linux Enterprise Server 15 & 16, Ubuntu 22.04 LTS & 24.04 LTS. |
Download |
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Celerity 8Gb Fibre Channel Driver macOS Updated: July 7, 2026 Files in Package:
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macOS device driver for 8Gb Celerity Fibre Channel Host Bus Adapters. Supports the following macOS Versions: macOS 26 Tahoe, 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 |
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Celerity 8Gb Fibre Channel Driver Windows Updated: July 7, 2026 Files in Package:
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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 |
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Celerity 8Gb Fibre Channel Flash Bundle Linux Updated: February 19, 2025 Files in Package:
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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 |
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Celerity 8Gb Fibre Channel Flash Bundle macOS Updated: February 19, 2025 Files in Package:
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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 |
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Celerity 8Gb Fibre Channel Flash Bundle Windows Updated: February 19, 2025 Files in Package:
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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 |
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Celerity 8Gb Fibre Channel Multi-Path Director Driver macOS Updated: July 7, 2026 Files in Package:
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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 26 Tahoe, 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 |
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Celerity 8Gb Fibre Channel MultiPath Director Driver Linux Updated: July 7, 2026 Files in Package:
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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 & 10, Rocky Linux 8, 9 & 10, openSUSE Leap 15 & 16, SUSE Linux Enterprise Server 15 & 16, Ubuntu 22.04 LTS & 24.04 LTS. |
Download |
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MultiPath Director Windows Updated: February 18, 2026 Files in Package:
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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 |