ATTO Software Downloads

The following are current versions of ATTO drivers and software. 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).

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Title
vConfigTool for VMware 6.7/7.0

FileAction
lnx_app_vconfigtool_1300.zip
PRN_ATTOvConfig_VMware_v1300_Rev03_24_21.pdf — Updated on 2021-03-24
The ATTO vConfigTool offers remote management features that allow you to set up, optimize and manage both locally and remotely connected ATTO products. Refer to the Utilities Manual tor details.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 6Gb Flash Bundle Windows

FileAction
win_fls_esashba2_221213.zip
ExpressSAS 6Gb firmware flash updates for Windows.
ExpressSAS 6Gb Flash Bundle macOS

FileAction
macos_fls_esashba2_221213
ExpressSAS 6Gb firmware flash updates for macOS. Download this file to your Mac and double click it to launch the driver installation program.

macOS High Sierra has introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit: https://developer.apple.com/library/archive/technotes/tn2459/_index.html
ExpressSAS 6Gb Flash Bundle Linux

FileAction
lnx_fls_esashba2_221213.tgz
ExpressSAS 6Gb firmware flash updates for Linux. Download this file to your PC and unzip it.
ExpressSAS 6Gb Driver macOS

FileAction
Product Release Notes ExpressSAS 6Gb HBAs - macOS — Updated on 2022-02-07
macos_kext_esashba2_2690f1
macOS driver for 6Gb SAS/SATA adapters. Download this file to your Mac and double click it to launch the driver installation program. The ATTO CLI Tool is also included and can be used by advanced users to perform additional capabilities and various functions within the adapters. It can be used locally via a terminal application and uses ASCII commands typed while in CLI mode.

macOS High Sierra has introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit: https://developer.apple.com/library/archive/technotes/tn2459/_index.html

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 6Gb Driver Linux

FileAction
lnx_drv_esashba2_2410f1.tgz
PRN_ESASHBA2_6Gb_Linux_v241_Rev01_30_2023.pdf — 2.4.1 — Updated on 2023-01-30
Linux driver for 6Gb SAS/SATA adapters. Download this file to your PC and unzip it. Instructions to install the drivers can be found in the readme files included in the download package. The ATTO CLI Tool is also included and can be used by advanced users to perform additional capabilities and various functions within the adapters. It can be used locally via a terminal application and uses ASCII commands typed while in CLI mode.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 6Gb Driver Windows

FileAction
PRN_ESASHBA2_6Gb_Win_v2.37_Rev01_30_2023.pdf — 2.0.0
win_drv_esashba2_2370f1.exe
Windows driver for 6Gb SAS/SATA adapters. Download this file to your PC and double click it to launch the driver installation program. The ATTO CLI Tool is also included and can be used by advanced users to perform additional capabilities and various functions within the adapters. It can be used locally via a terminal application and uses ASCII commands typed while in CLI mode.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 24Gb SAS/SATA Flash Bundle Windows

FileAction
win_fls_esashba6_240507.zip — 240507 — Updated on 2024-06-07
PRN_24Gb_BIOS_v240507_Rev05_15_2024.pdf
ExpressSAS firmware Windows flash updates for 24Gb SAS/SATA adapters.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 24Gb SAS/SATA Flash Bundle macOS

FileAction
macos_fls_esashba6_240507.dmg — 240507 — Updated on 2024-06-07
PRN_24Gb_BIOS_v240507_Rev05_15_2024.pdf
ExpressSAS firmware macOS flash update for 24Gb SAS/SATA adapters.

macOS High Sierra has introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit: here.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 24Gb SAS/SATA Flash Bundle Linux

FileAction
lnx_fls_esashba6_240507.tgz — 240507 — Updated on 2024-06-07
PRN_24Gb_BIOS_v240507_Rev05_15_2024.pdf
ExpressSAS firmware Linux flash update for 24Gb GT SAS/SATA adapters. Download this file to your PC and unzip it.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 24Gb SAS/SATA Flash Bundle illumos

FileAction
ilm_fls_esashba6_240507.tgz — 240507 — Updated on 2024-06-07
PRN_24Gb_BIOS_v240507_Rev05_15_2024.pdf
Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 24Gb SAS/SATA Flash Bundle FreeBSD

FileAction
fbsd_fls_esashba6_240507.txz — 240507 — Updated on 2024-06-07
PRN_24Gb_BIOS_v240507_Rev05_15_2024.pdf
Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 24Gb SAS/SATA Driver illumos

FileAction
ilm_drv_esashba6_1000f1.tgz — 1.00 — Updated on 2024-06-07
PRN_24Gb_illumos_v1.00_Rev05_15_2024.pdf
Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 24Gb Driver Windows

FileAction
win_drv_esashba6_1000f1.exe — 1.00 — Updated on 2024-06-07
PRN_24Gb_Windows_v1.00_Rev05_15_2024.pdf
Windows driver for 24Gb SAS/SATA adapters. Download this file to your PC and double click it to launch the driver installation program. The ATTO CLI Tool is also included and can be used by advanced users to perform additional capabilities and various functions within the adapters. It can be used locally via a terminal application and uses ASCII commands typed while in CLI mode.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 24Gb Driver macOS

FileAction
macos_kext_esashba6_1010f1.dmg — 1.01 — Updated on 2024-06-07
PRN_24Gb_macOS_v1.01_Rev06_07_2024.pdf
macOS driver for 24Gb SAS/SATA adapters. Download this file to your Mac and double click it to launch the driver installation program. The ATTO CLI Tool is also included and can be used by advanced users to perform additional capabilities and various functions within the adapters. It can be used locally via a terminal application and uses ASCII commands typed while in CLI mode.

macOS High Sierra has introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit: here.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 24Gb Driver Linux

FileAction
lnx_drv_esashba6_1000f1.tgz — 1.00 — Updated on 2024-06-07
PRN_24Gb_Linux_v1.00_Rev05_15_2024.pdf
Linux driver for 24Gb GT SAS/SATA adapters. Download this file to your PC and unzip it. Instructions to install the drivers can be found in the readme files included in the download package. The ATTO CLI Tool is also included and can be used by advanced users to perform additional capabilities and various functions within the adapters. It can be used locally via a terminal application and uses ASCII commands typed while in CLI mode.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 24Gb Driver FreeBSD

FileAction
fbsd_drv_esashba6_1000f1.txz — 1.00 — Updated on 2024-06-07
PRN_24Gb_FreeBSD_v1.00_Rev05_15_2024.pdf
Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 12Gb GT SAS/SATA WHQL Driver Windows 2019

FileAction
win2019_whql_drv_esashba5_1000f1.exe — 1.00 — Updated on 2020-12-15
ExpressSAS 12Gb GT SAS/SATA WHQL Driver Windows 2019 PRN — 1.00 — Updated on 2020-12-15
Windows Hardware Quality Labs (WHQL) driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following versions of Windows: Windows Server 2019
ExpressSAS 12Gb GT SAS/SATA WHQL Driver Windows 10

FileAction
win10_whql_drv_esashba5_1000f1.exe — 1.00 — Updated on 2020-12-15
ExpressSAS 12Gb GT SAS/SATA WHQL Driver Windows 10 PRN — 1.00 — Updated on 2020-12-15
Windows Hardware Quality Labs (WHQL) driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following versions of Windows: Windows 10
ExpressSAS 12Gb GT SAS/SATA Flash Bundle Windows

FileAction
win_fls_esashba5_240529.zip — 240529 — Updated on 2024-06-06
ExpressSAS 12Gb GT SAS/SATA Flash Bundle Windows PRN — Updated on 2024-06-06
Windows flash bundle for ExpressSAS 12Gb GT adapters.

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

Supported Products: ExpressSAS H1280GT, ExpressSAS H1208GT, ExpressSAS, H1244GT, ExpressSAS H12F0GT & ExpressSAS H120FGT.
ExpressSAS 12Gb GT SAS/SATA Flash Bundle Linux

FileAction
lnx_fls_esashba5_240529.tgz — 240529 — Updated on 2024-06-06
ExpressSAS 12Gb GT SAS/SATA Flash Bundle Linux PRN — Updated on 2024-06-06
Linux flash bundle for ExpressSAS 12Gb GT adapters.

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

Supported Products: ExpressSAS H1280GT, ExpressSAS H1208GT, ExpressSAS, H1244GT, ExpressSAS H12F0GT & ExpressSAS H120FGT.
ExpressSAS 12Gb GT SAS/SATA Flash Bundle Illumos

FileAction
ilm_fls_esashba5_240529.tgz — 240529 — Updated on 2024-06-06
ExpressSAS 12Gb GT SAS/SATA Flash Bundle Illumos PRN — Updated on 2024-06-06
Illumos flash bundle for ExpressSAS 12Gb GT Host Bus Adapters.

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

Supported Products: ExpressSAS H1280GT, ExpressSAS H1208GT, ExpressSAS, H1244GT, ExpressSAS H12F0GT & ExpressSAS H120FGT.
ExpressSAS 12Gb GT SAS/SATA Flash Bundle FreeBSD

FileAction
fbsd_fls_esashba5_240529.txz — 240529 — Updated on 2024-06-07
ExpressSAS 12Gb GT SAS/SATA Flash Bundle FreeBSD PRN — Updated on 2024-06-07
FreeBSD flash bundle for ExpressSAS 12Gb GT Host Bus Adapters.

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

Supported Products: ExpressSAS H1280GT, ExpressSAS H1208GT, ExpressSAS, H1244GT, ExpressSAS H12F0GT & ExpressSAS H120FGT.
ExpressSAS 12Gb GT SAS/SATA Driver Linux

FileAction
lnx_drv_esashba5_1080f1.tgz — 1.08 — Updated on 2024-06-06
ExpressSAS 12Gb GT SAS/SATA Driver Linux PRN — Updated on 2024-06-06
Proprietary Linux device driver for ExpressSAS 12Gb GT 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.
ExpressSAS 12Gb GT SAS/SATA Driver Illumos

FileAction
ilm_drv_esashba5_1021f1.tgz — 1.02.1 — Updated on 2022-09-13
ExpressSAS 12Gb GT SAS/SATA Driver illumos PRN — Updated on 2022-09-13
Proprietary Illumos device driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following Illumos versions: OpenIndiana, OmniOS, NexentaStor 4, NexentaStor 5, NestOS.
ExpressSAS 12Gb GT Flash Bundle VMware

FileAction
vmw_fls_esashba5_240529.tgz — 240529 — Updated on 2024-06-06
ExpressSAS 12Gb GT Flash Bundle VMware PRN — Updated on 2023-07-14
ATTO recommends our customers use the latest drivers available. If you require the latest version, please download them here.

Select your version of ESXi in the Product Release Version, select ATTO Technology from the Brand list, and within the IO Device type field select the proper protocol.
ExpressSAS 12Gb GT Flash Bundle macOS

FileAction
macos_fls_esashba5_240529.dmg — 240529 — Updated on 2024-06-06
ExpressSAS 12Gb GT Flash Bundle macOS PRN — Updated on 2024-06-06
macOS flash bundle for ExpressSAS 12Gb GT adapters.

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

Supported Products: ExpressSAS H1280GT, ExpressSAS H1208GT, ExpressSAS, H1244GT, ExpressSAS H12F0GT & ExpressSAS H120FGT.
ExpressSAS 12Gb GT Driver Windows

FileAction
win_drv_esashba5_1070f1.exe — 1.07 — Updated on 2024-06-06
ExpressSAS 12Gb GT Driver Windows — Updated on 2024-06-06
Windows device driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 & Windows Server 2019, 2022.
ExpressSAS 12Gb GT Driver macOS

FileAction
macos_kext_esashba5_1090f1.dmg — 1.09 — Updated on 2024-06-06
ExpressSAS 12Gb GT Driver macOS PRN — Updated on 2024-06-06
macOS device driver for ExpressSAS 12Gb GT 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 or kexts (also known as System Extensions) to provide the highest-performing drivers possible.
ExpressSAS 12Gb GT Driver FreeBSD

FileAction
fbsd_drv_esashba5_1021f1.txz — 1.02.1 — Updated on 2022-09-13
ExpressSAS 12Gb GT Driver FreeBSD PRN — Updated on 2022-09-13
Proprietary FreeBSD device driver for ExpressSAS 12Gb GT Host Bus Adapters.

Supports the following FreeBSD versions: FreeBSD 12, 13.
ExpressSAS 12Gb (legacy, non-GT) Flash Bundle Windows

FileAction
win_fls_esashba4_221213
ExpressSAS firmware Windows flash updates for 12Gb (legacy, non-GT) SAS/SATA adapters.
ExpressSAS 12Gb (legacy, non-GT) Flash Bundle macOS

FileAction
Flash Bundle - macOS — 221213
ExpressSAS firmware macOS flash updates for 12Gb (legacy, non-GT) SAS/SATA adapters.

macOS High Sierra has introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit: https://developer.apple.com/library/archive/technotes/tn2459/_index.html

Note: When installing an ATTO driver on macOS, you may get a pop-up message warning: "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 high-performance Kernel Extension Drivers or kexts (also known as System Extensions). At some point Apple intends to deprecate support for kext and only support dext drivers. At that time ATTO will update all drivers to dext. All current ATTO host adapters and Thunderbolt devices will natively support the new dext drivers. In the meantime, we will continue to provide the highest-performing drivers possible.
ExpressSAS 12Gb (legacy, non-GT) Flash Bundle Linux

FileAction
Flash Bundle - Linux — 221213 — Updated on 2022-12-13
ExpressSAS firmware Linux flash updates for 12Gb (legacy, non-GT) SAS/SATA adapters. Download this file to your PC and unzip it.
ExpressSAS 12Gb (legacy, non-GT) Driver Windows

FileAction
PRN_12Gb_Linux_v1.54_Rev06_07_2024.pdf
win_drv_esashba4_1500f1
Windows driver for 12Gb (legacy, non-GT) SAS/SATA adapters. Download this file to your PC and double click it to launch the driver installation program. The ATTO CLI Tool is also included and can be used by advanced users to perform additional capabilities and various functions within the adapters. It can be used locally via a terminal application and uses ASCII commands typed while in CLI mode.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ExpressSAS 12Gb (legacy, non-GT) Driver macOS

FileAction
macos_kext_esashba4_1160f1.dmg — 1.166 — Updated on 2024-06-07
PRN_12Gb_Linux_v1.54_Rev06_07_2024.pdf
macOS driver for 12Gb (legacy, non-GT) SAS/SATA adapters. Download this file to your Mac and double click it to launch the driver installation program. The ATTO CLI Tool is also included and can be used by advanced users to perform additional capabilities and various functions within the adapters. It can be used locally via a terminal application and uses ASCII commands typed while in CLI mode.

macOS High Sierra has introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit: https://developer.apple.com/library/archive/technotes/tn2459/_index.html

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.

Note: When installing an ATTO driver on macOS, you may get a pop-up message warning: "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 high-performance Kernel Extension Drivers or kexts (also known as System Extensions). At some point Apple intends to deprecate support for kext and only support dext drivers. At that time ATTO will update all drivers to dext. All current ATTO host adapters and Thunderbolt devices will natively support the new dext drivers. In the meantime, we will continue to provide the highest-performing drivers possible.
ExpressSAS 12Gb (legacy, non-GT) Driver Linux

FileAction
Driver - Linux — 1.54 — Updated on 2024-06-07
PRN - Linux — Updated on 2024-06-07
Linux driver for 12Gb (legacy, non-GT) SAS/SATA adapters. Download this file to your PC and unzip it. Instructions to install the drivers can be found in the readme files included in the download package. The ATTO CLI Tool is also included and can be used by advanced users to perform additional capabilities and various functions within the adapters. It can be used locally via a terminal application and uses ASCII commands typed while in CLI mode.

Please refer to the Product Release Notes for more detailed information on operating system support as well as specific information about release contents.
ATTO ConfigTool Windows

FileAction
win_app_configtool_441.exe — 4.41 — Updated on 2024-06-07
The ATTO ConfigTool offers a graphical user interface to easily monitor and manage ATTO host bus adapter settings for specialized applications. It can be used to view the drivers and flash files currently in use, easily update the firmware, collect diagnostic logs and configure adapter settings.

ATTO ConfigTool requires a supported ATTO Product. The HBA drivers and firmware are not included with the utility.
ATTO ConfigTool macOS

FileAction
ATTO ConfigTool Software — 4.41 — Updated on 2024-06-07
ATTO ConfigTool macOS PRN — 4.41 — Updated on 2024-07-17
The ATTO ConfigTool offers a graphical user interface to easily monitor and manage ATTO host bus adapter settings for specialized applications. It can be used to view the drivers and flash files currently in use, easily update the firmware, collect diagnostic logs and configure adapter settings.

ATTO ConfigTool requires a supported ATTO Product. The HBA drivers and firmware are not included with the utility.
ATTO ConfigTool Linux

FileAction
lnx_app_configtool_441.tgz — Updated on 2024-06-07
The ATTO ConfigTool offers a graphical user interface to easily monitor and manage ATTO host bus adapter settings for specialized applications. It can be used to view the drivers and flash files currently in use, easily update the firmware, collect diagnostic logs and configure adapter settings.

ATTO ConfigTool requires a supported ATTO Product. The HBA drivers and firmware are not included with the utility.