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.

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:
ThunderLink

Product Family:
ThunderLink FC 3162, FC 3322 Adapters

Operating System:
All

Title
Archived Celerity 16/32/64Gb Fibre Channel Driver macOS

2 files
Driver Version
v3.122.46 MB
Product Release Notes
239.55 KB2025-07-16
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.
Archived Celerity 16/32/64Gb Fibre Channel Driver macOS

1 file
Driver Version
v3.072.17 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.
Archived Celerity 16/32/64Gb Fibre Channel MultiPath Director macOS

2 files
Driver Version
v3.12-MP2.73 MB
Product Release Notes
257.03 KB2025-07-16
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.
Archived Celerity 16/32/64Gb Fibre Channel MultiPath Director macOS

1 file
Driver Version
v3.07-MP2.8 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.
ThunderLink FC 3162, FC 3322 Driver Linux

2 files
Driver Version
v2.16.6984.7 KB
Product Release Notes
251.45 KB2026-01-27
Proprietary Linux device driver for ThunderLink FC 3162 & FC 3322 Fibre Channel 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.
ThunderLink FC 3162, FC 3322 Driver macOS – Dext

2 files
Driver Version
v1.02.13.53 MB
Product Release Notes
160.32 KB2026-01-27
macOS dext device driver for ThunderLink FC 3162 & FC 3322 Fibre Channel Adapters.

Supports the following macOS Versions: macOS 26 Tahoe.
ThunderLink FC 3162, FC 3322 Driver macOS – Kext

2 files
Driver Version
v3.152.47 MB
Product Release Notes
247 KB2026-01-27
macOS device driver for ThunderLink FC 3162 & FC 3322 Fibre Channel 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 or kexts (also known as System Extensions) to provide the highest-performing drivers possible.
ThunderLink FC 3162, FC 3322 Driver Windows

2 files
Driver Version
v3.013.87 MB
Product Release Notes
250.24 KB2025-10-02
Windows device driver for ThunderLink FC 3162 & FC 3322 Fibre Channel Adapters.

Supports the following versions of Windows: Windows 10, 11 and Windows Server 2019, 2022 & 2025.
ThunderLink FC 3162, FC 3322 MultiPath Director Driver Linux

2 files
Driver Version
v2.16.6-MP1.25 MB
Product Release Notes
270.84 KB2026-01-27
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.
ThunderLink FC 3162, FC 3322 MultiPath Director Driver macOS – Dext

2 files
Driver Version
v1.02.1-MP3.74 MB
Product Release Notes
160.32 KB2026-01-27
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.
ThunderLink FC 3162, FC 3322 MultiPath Director Driver macOS – Kext

2 files
Driver Version
v3.15-MP2.34 MB
Product Release Notes
279.65 KB2026-01-27
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 or kexts (also known as System Extensions) to provide the highest-performing drivers possible.