ATTO Software Downloads

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.

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 5082 Adapters

Operating System:
macOS

Title
ThunderLink FC 5082 Driver macOS
Updated: July 7, 2026
Files in Package:
  • Driver Version (v3.38.1)
  • Product Release Notes
 macOS device driver for ThunderLink FC 5082 Fibre Channel 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
ThunderLink FC 5082 Flash Bundle macOS
Updated: October 23, 2025
Files in Package:
  • Flash Bundle version (v04/06/2018) 1.37 MB
  • Product Release Notes 127.32 KB
 macOS flash bundle for ThunderLink FC 5082 adapters.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: TLFC-5082. 		Download
ThunderLink FC 5082 Multi-Path Director Driver macOS
Updated: July 7, 2026
Files in Package:
  • Driver Version (v3.38.1-MP)
  • Product Release Notes
 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