The following are drivers and software for discontinued ATTO products. Discontinued Products (PDF)
Click here for current ATTO drivers and software. An archive of drivers and software for current ATTO products is here.
If a driver or software package does not appear on this list, it may still be available by contacting ATTO Tech Support.
Select an ATTO Product plus a Product Family to begin:
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ATTO Product:
ExpressSAS
Product Family:
All
Operating System:
All
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ExpressSAS 12Gb [Legacy] Driver Linux |
Proprietary Linux device driver for ExpressSAS 12Gb [Legacy] Host Bus Adapters. 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. |
Download |
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ExpressSAS 12Gb [Legacy] Driver macOS |
macOS device driver for ExpressSAS 12Gb [Legacy] Host Bus Adapters. Supports the following macOS Versions: macOS 14 Sonoma, macOS 13 Ventura, macOS 12 Monterey & macOS 11 Big Sur. 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 |
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ExpressSAS 12Gb [Legacy] Driver Windows Driver version |
Windows device driver for ExpressSAS 12Gb [Legacy] Host Bus Adapters. Supports the following versions of Windows: Windows 10, 11, Windows Server 2016, 2019, 2022 & 2025. |
Download |
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ExpressSAS 12Gb [Legacy] Flash Bundle Linux Flash Bundle version: |
Linux flash bundle for ExpressSAS 12Gb [Legacy] adapters. Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file. Supported Products: ExpressSAS H1280, ExpressSAS H1208, ExpressSAS H1244, ExpressSAS H12F0 & ExpressSAS H120F. |
Download |
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ExpressSAS 12Gb [Legacy] Flash Bundle macOS Flash Bundle version |
macOS flash bundle for ExpressSAS 12Gb [Legacy] adapters. Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file. Supported Products: ExpressSAS H1280, ExpressSAS H1208, ExpressSAS H1244, ExpressSAS H12F0 & ExpressSAS H120F. |
Download |
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ExpressSAS 12Gb [Legacy] Flash Bundle Windows Flash Bundle version |
Windows flash bundle for ExpressSAS 12Gb [Legacy] adapters. Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file. Supported Products: ExpressSAS H1280, ExpressSAS H1208, ExpressSAS H1244, ExpressSAS H12F0 & ExpressSAS H120F. |
Download |
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ExpressSAS 6Gb HBA Driver Linux |
Proprietary Linux device driver for ExpressSAS 6Gb Host Bus Adapters. Supports the following Linux Distributions: CentOS 7 & 8, RHEL 7 & 8, Rocky Linux 8, openSUSE LEAP 42, 15, SLES 12, 15, Ubuntu 20.04 & 22.04. WARNING: Some newer Linux distributions (e.g. CentOS, openSUSE) include a driver that conflicts with the ATTO ExpressSAS 6Gb Host Bus Adapter and may cause the system to hang or reboot during initialization when the HBA is installed. If this occurs, you must follow the procedure described in the section Conflicts with the pm8001/pm80xx module before installing the HBA. More information can be found in the ReadMe file downloaded with the device driver. |
Download |
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ExpressSAS 6Gb HBA Driver macOS |
macOS device driver for ExpressSAS 6Gb Host Bus Adapters. Supports the following macOS Versions: macOS 12 Monterey, macOS 11 Big Sur, macOS 10.15 Catalina, macOS 10.14 Mojave, macOS 10.13 High Sierra & macOS 10.12 Sierra. 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 |
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ExpressSAS 6Gb HBA Driver Windows |
Windows device driver for ExpressSAS 6Gb Host Bus Adapters. Supports the following versions of Windows: Windows 10, 11 & Windows Server 2019, 2022 & 2016. |
Download |
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ExpressSAS 6Gb HBA Flash Bundle Linux lnx_fls_esashba2_221213.tgz |
Linux flash bundle for ExpressSAS 6Gb Host Bus Adapters. Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file. Supported Products: ExpressSAS H680, ExpressSAS H608, ExpressSAS H644, ExpressSAS H6F0 & ExpressSAS H60F. |
Download |
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ExpressSAS 6Gb HBA Flash Bundle macOS macos_fls_esashba2_221213.dmg |
macOS flash bundle for ExpressSAS 6Gb adapters. Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file. Supported Products: ExpressSAS H680, ExpressSAS H608, ExpressSAS H644, ExpressSAS H6F0 & ExpressSAS H60F. |
Download |
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ExpressSAS 6Gb HBA Flash Bundle Windows win_fls_esashba2_221213.zip |
Windows flash bundle for ExpressSAS 6Gb adapters. Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file. Supported Products: ExpressSAS H680, ExpressSAS H608, ExpressSAS H644, ExpressSAS H6F0 & ExpressSAS H60F. |
Download |
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ExpressSAS 6Gb RAID Controller Software Linux |
Included in this package are legacy software download packages for ATTO ExpressSAS 6Gb RAID controllers and associated applications. These download packages are for End-of-Life products and are provided for the convenience of our customers. These products are no longer actively supported and the ATTO technical support team is able to provide limited assistance. Important: driver is known to fail to compile/make/ install on Linux kernel 4.14, or higher. This software supports: Red Hat Enterprise Linux 6 & 7, CentOS 6 & 7, openSUSE 13.2, openSUSE 42.1, SUSE Linux Enterprise Server 11.3, SUSE Linux Enterprise Server 12, Fedora 21, & Fedora 22. |
Download |
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ExpressSAS 6Gb RAID Controller Software macOS |
Included in this package are legacy software download packages for ATTO ExpressSAS 6Gb RAID controllers and associated applications. These download packages are for End-of-Life products and are provided for the convenience of our customers. These products are no longer actively supported and the ATTO technical support team is able to provide limited assistance. Important: This software does NOT support Apple Silicon. Only for use with Intel based Mac systems. This software supports: macOS 10.15 Catalina, macOS 10.14 Mojave, macOS 10.13 High Sierra, macOS 10.12 Sierra & Mac OS X 10.11 El Capitan. |
Download |
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ExpressSAS 6Gb RAID Controller Software Windows |
Included in this package are legacy software download packages for ATTO ExpressSAS 6Gb RAID controllers and associated applications. These download packages are for End-of-Life products and are provided for the convenience of our customers. These products are no longer actively supported and the ATTO technical support team is able to provide limited assistance. This software supports: Windows 7, Windows 8, Windows 8.1, Windows 10, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, & Windows Server 2016. |
Download |