macOS driver for ExpressSAS SAS/SATA host adapters. Download this file to your Mac and double click it to launch the driver installation program.
Flash Bundle for ExpressSAS SAS/SATA host adapters. Download this file to your Mac and use the latest version of the ATTO Configuration Tool to install the firmware file to the host adapter.
Archived 6Gb ExpressSAS® SAS/SATA HBAs (Discontinued) Downloads