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ATTO Software Downloads Archive

The following are archived versions of ATTO drivers and software.

Click here for current 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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Title
Archived Celerity 16/32/64Gb Fibre Channel Driver Linux

Files in Package:
  • Driver Version (v2.09) 976.29 KB
 Archived Proprietary Linux device driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following Linux Distributions: CentOS 7 & 8, RHEL 7 & 8, Rocky Linux 8, openSUSE LEAP 42, 15, SLES 12, 15 and Ubuntu 20.04 & 22.04. 		Download
Archived Celerity 16/32/64Gb Fibre Channel Driver Linux

Files in Package:
  • Driver Version (v2.13) 998.83 KB
  • Product Release Notes 243.82 KB
 Archived 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
Archived Celerity 16/32/64Gb Fibre Channel Driver macOS

Files in Package:
  • Driver Version (v3.12) 2.46 MB
  • Product Release Notes 239.55 KB
 Archived 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
Archived Celerity 16/32/64Gb Fibre Channel Driver macOS

Files in Package:
  • Driver Version (v3.07) 2.17 MB
 Archived macOS device driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following macOS Versions: macOS 13 Ventura, macOS 12 Monterey, macOS 11 Big Sur, macOS 10.15 Catalina, macOS 10.14 Mojave, macOS 10.13 High Sierra, macOS 10.12 Sierra. 		Download
Archived Celerity 16/32/64Gb Fibre Channel Driver Windows

Files in Package:
  • Driver Version (v2.11) 3.86 MB
  • Product Release Notes 247.92 KB
 Archived Windows device driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 & Windows Server 2025, 2019, 2022. 		Download
Archived Celerity 16/32/64Gb Fibre Channel Driver Windows

Files in Package:
  • Driver Version (v2.10) 3.85 MB
  • Product Release Notes 242.67 KB
 Archived Windows device driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 & Windows Server 2025, 2019, 2022 and 2016. 		Download
Archived Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver Linux

Files in Package:
  • Driver Version: (v2.09-MP) 1.15 MB
 Archived Proprietary Linux Multipath Director driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

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: CentOS 7 & 8, RHEL 7 & 8, Rocky Linux 8, openSUSE LEAP 42, 15, SLES 12, 15 and Ubuntu 20.04 & 22.04. 		Download
Archived Celerity 16/32/64Gb Fibre Channel MultiPath Director Driver Linux

Files in Package:
  • Driver Version (v2.13-MP) 1.26 MB
  • Product Release Notes 264.56 KB
 Archived Proprietary Linux Multipath Director driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

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
Archived Celerity 16/32/64Gb Fibre Channel MultiPath Director macOS

Files in Package:
  • Driver Version (v3.12-MP) 2.73 MB
  • Product Release Notes 257.03 KB
 Archived macOS Multipath Director driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

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
Archived Celerity 16/32/64Gb Fibre Channel MultiPath Director macOS

Files in Package:
  • Driver Version (v3.07-MP) 2.8 MB
 Archived macOS Multipath Director driver for 16/32/64Gb Celerity Fibre Channel Host Bus Adapters.

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 13 Ventura, macOS 12 Monterey, macOS 11 Big Sur, macOS 10.15 Catalina, macOS 10.14 Mojave, macOS 10.13 High Sierra, macOS 10.12 Sierra. 		Download
Archived Celerity 8Gb Fibre Channel Driver Linux

Files in Package:
  • lnx_drv_celerity8_2260f1.tgz (v2.26) 851.16 KB
 Archived Proprietary Linux device driver for 8Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following Linux Distributions: CentOS 7 & 8, RHEL 7 & 8, Rocky Linux 8, openSUSE LEAP 42 & 15, SLES 12 & 15, Ubuntu 20.04 & 22.04. 		Download
Archived Celerity 8Gb Fibre Channel Driver Linux

Files in Package:
  • lnx_drv_celerity8_2270f1.tgz (v2.27) 850.19 KB
  • Archived Celerity 8Gb Fibre Channel Driver Linux PRN 256.67 KB
 Archived 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
Archived Celerity 8Gb Fibre Channel Driver macOS

Files in Package:
  • macos_kext_celerity8_3360f1.dmg (v3.36) 1.56 MB
 Archived macOS device driver for 8Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following macOS Versions: macOS 12 Monterey, macOS 11 Big Sur, macOS 10.15 Catalina, macOS 10.14 Mojave, macOS 10.13 High Sierra & macOS 10.12 Sierra.

In macOS 11, Apple introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit here. 		Download
Archived Celerity 8Gb Fibre Channel Driver macOS

Files in Package:
  • macos_kext_celerity8_3350f1.dmg (v3.35) 1.52 MB
 Archived macOS device driver for 8Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following macOS Versions: macOS 12 Monterey, macOS 11 Big Sur, macOS 10.15 Catalina, macOS 10.14 Mojave, macOS 10.13 High Sierra & macOS 10.12 Sierra.

In macOS 11, Apple introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit here. 		Download
Archived Celerity 8Gb Fibre Channel Driver Windows

Files in Package:
  • win_drv_celerity8_2110f1.exe 7.68 MB
 Archived Windows device driver for 8Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 & Windows Server 2016, 2019, 2022. 		Download
Archived Celerity 8Gb Fibre Channel Driver Windows

Files in Package:
  • win_drv_celerity8_2120f1.exe (v2.12) 3.27 MB
  • Archived Celerity 8Gb Fibre Channel Driver Windows PRN 203.39 KB
 Archived Windows device driver for 8Gb Celerity Fibre Channel Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 & Windows Server 2019, 2022. 		Download
Archived Celerity 8Gb Fibre Channel MultiPath Director Driver Linux

Files in Package:
  • lnx_drv_celerity8_2260f1-mp.tgz (v2.26-MP) 1.03 MB
 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: CentOS 7 & 8, RHEL 7 & 8, Rocky Linux 8, openSUSE LEAP 42 & 15, SLES 12 & 15, Ubuntu 20.04 & 22.04. 		Download
Archived Celerity 8Gb Fibre Channel MultiPath Director Driver Linux

Files in Package:
  • lnx_drv_celerity8_2270f1-mp.tgz (v2.27-MP) 1.03 MB
  • Archived Celerity 8Gb Fibre Channel MultiPath Director Driver Linux PRN 291.02 KB
 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
Archived Celerity 8Gb Fibre Channel MultiPath Director Driver macOS

Files in Package:
  • macos_kext_celerity8_3360f1-mp.dmg (v3.36-MP) 2.23 MB
 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 12 Monterey, macOS 11 Big Sur, macOS 10.15 Catalina, macOS 10.14 Mojave, macOS 10.13 High Sierra & macOS 10.12 Sierra.

In macOS 11, Apple introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit here. 		Download
Archived Celerity 8Gb Fibre Channel MultiPath Director Driver macOS

Files in Package:
  • macos_kext_celerity8_3350f1-mp.dmg (v3.35-MP) 2.19 MB
 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 12 Monterey, macOS 11 Big Sur, macOS 10.15 Catalina, macOS 10.14 Mojave, macOS 10.13 High Sierra & macOS 10.12 Sierra.

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

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