macOS driver for FastFrame Network Interface Cards. Download this
file to your Mac and double click it to launch the driver installation
Specific configurations may cause the ATTO adapter to become non-responsive but still appear available within the macOS.
Please review the latest Technical Bulletin for current troubleshooting information regarding this scenario.
macOS High Sierra has introduced User-Approved Kernel Extension Loading. For
additional information on this update, please visit:
Archived 10/25/40/50/100GbE Network Interface Cards Downloads