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  • Create Date September 29, 2025
  • Last Updated October 22, 2025

ThunderLink FC 5642, FC 5322 MultiPath Director Driver macOS - Kext

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.

Attached Files

2 files
Driver Version
v3.14-MP2.34 MB
Product Release Notes
276.59 KB2025-10-02