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
PRN_ESASHA4_12Gb_Win_Microsoft-Certified_v100_Rev12_15_2020.pdf — 1.00 — Updated on 2020-12-15
Windows driver for 12Gb 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 GT SAS/SATA WHQL Driver Windows 10

FileAction
win10_whql_drv_esashba5_1000f1.exe — 1.00 — Updated on 2020-12-15
PRN_ESASHA4_12Gb_Win_Microsoft-Certified_v100_Rev12_15_2020.pdf — 1.00 — Updated on 2020-12-15
Windows driver for 12Gb 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 GT SAS/SATA Flash Bundle Windows

FileAction
win_fls_esashba5_240529.zip — 240529 — Updated on 2024-06-06
PRN_12GbGT_BIOS_v240529_Rev06_06_2024.pdf
ExpressSAS firmware Windows flash updates for 12Gb GT 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 12Gb GT SAS/SATA Flash Bundle Linux

FileAction
lnx_fls_esashba5_240529.tgz
PRN_12GbGT_BIOS_v240529_Rev06_06_2024.pdf
ExpressSAS firmware Linux flash updates for 12Gb GT 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 12Gb GT SAS/SATA Flash Bundle illumos

FileAction
ilm_fls_esashba5_240529.tgz — Updated on 2024-06-06
PRN_12GbGT_BIOS_v240529_Rev06_06_2024.pdf
ExpressSAS firmware illumos flash updates for 12Gb GT 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 12Gb GT SAS/SATA Flash Bundle FreeBSD

FileAction
fbsd_fls_esashba5_240529.txz — 240529 — Updated on 2024-06-07
PRN_12GbGT_BIOS_v240529_Rev06_06_2024.pdf — Updated on 2024-06-07
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 Driver Linux

FileAction
lnx_drv_esashba5_1080f1.tgz
PRN_Linux_12GbGT_v1.08_Rev06_06_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 12Gb GT SAS/SATA Driver illumos

FileAction
ilm_drv_esashba5_1021f1.tgz — Updated on 2022-09-13
PRN_illumos_12GbGT_v1.02.1_Rev09_13_2022.pdf — Updated on 2022-09-13
illumos driver for 12Gb 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 GT Flash Bundle macOS

FileAction
macos_fls_esashba5_240529.dmg — 240529 — Updated on 2024-06-06
PRN_12GbGT_BIOS_v240529_Rev06_06_2024.pdf
ExpressSAS firmware macOS flash updates for 12Gb 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 12Gb GT Driver Windows

FileAction
win_drv_esashba5_1070f1.exe — 1.07 — Updated on 2024-06-06
PRN_Windows_12GbGT_v1.07_Rev06_06_2024.pdf
Windows driver for 12Gb 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 GT Driver VMware

FileAction
vmw_fls_esashba5_240529.tgz — 240529 — Updated on 2024-06-06
PRN_12GbGT_BIOS_v230714_Rev07_24_2023.pdf — Updated on 2023-07-14
ATTO recommends our customers use the latest drivers available. If you require the latest version, please download 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.

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 Driver macOS

FileAction
macos_kext_esashba5_1090f1.dmg — 1.09 — Updated on 2024-06-06
PRN_macOS_12GbGT_v1.09_Rev06_06_2024.pdf
macOS driver for 12Gb 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 12Gb GT Driver FreeBSD

FileAction
fbsd_drv_esashba5_1021f1.txz — 1.02.1 — Updated on 2022-09-13
PRN_FreeBSD_12GbGT_v1.02.1_Rev09_13_2022.pdf — Updated on 2022-09-13
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) 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 — Updated on 2024-06-07
The ATTO ConfigTool 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. Download the tool to your PC and double click the file to launch the installer.

View the ConfigTool Product Release Notes.
ATTO ConfigTool macOS

FileAction
osx_app_configtool_441.dmg — Updated on 2024-06-07
The ATTO ConfigTool 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 for details. Download the tool to your Mac and double click the tile to launch the installer.

View the ConfigTool Product Release Notes.

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.
ATTO ConfigTool LiveISO

FileAction
lnx_app_configtoollive_240509.tgz
The ATTO ConfigTool LiveISO is a bootable system image used to update flash bundles and access diagnostic utilities when using open-source ATTO drivers, alongside more robust adapter management and monitoring tools. A full description is available in the Utilities Manual.

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

View the ConfigTool LiveISO Product Release Notes.
ATTO ConfigTool Linux

FileAction
lnx_app_configtool_441.tgz — Updated on 2024-06-07
The ATTO ConfigTool 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. Download the tool to your PC and double click the file to launch the installer.

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

View the ConfigTool Product Release Notes.