The following are current versions of ATTO drivers and software.
Click here for archived ATTO drivers and software. Drivers and software for discontinued ATTO products are 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:
- Celerity 32/64Gb Gen 7 HBAs
- Celerity 16/32Gb Gen 6 HBAs
- Celerity 8Gb HBAs
- XstreamCORE 7550
- XstreamCORE 7600
- XstreamCORE 8100T
- XstreamCORE 8200
- XstreamCORE 8200T
- FastFrame 1 10Gb NIC
- FastFrame 3 10/25/40/50/100GbE NIC
- FastFrame 4 10/25/40/50/100GbE NIC
- ThunderLink FC 3162, FC 3322 Adapters
- ThunderLink FC 5642, FC 5322 Adapters
- ThunderLink FC 5082 Adapters
- ThunderLink NS 3252, N3 3102, N3 3102T Adapters
- ThunderLink NS 5102 Adapters
- ThunderLink SH 3128 Adapters
- ExpressSAS 12Gb GT HBAs
- ExpressSAS 24Gb HBAs
- ExpressNVM S4FF, S48F Switch Adapters
- Software Applications
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).
ATTO Product:
All
Product Family:
All
Operating System:
All
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MultiPath Director Windows Files in Package:
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ATTO MultiPath Director is a proprietary driver that enables Windows hosts to connect to storage systems that support ALUA for failover, failback and load balancing across Fibre Channel ports. Supports the following versions of Windows: Windows 10, 11 & Windows Server 2019, 2022 & 2025. Requires the latest Windows Device Driver to also be installed alongside the MultiPath Director. |
Download |
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QuickNAV Utility Linux Files in Package:
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In order to configure an ATTO appliance using the built-in XstreamVIEW configuration utility, you must first identify the IP address to be used for management of the appliance. QuickNAV is a utility that can be used to identify your ATTO appliance on a network. |
Download |
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QuickNAV Utility Windows Files in Package:
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In order to configure an ATTO appliance using the built-in XstreamVIEW configuration utility, you must first identify the IP address to be used for management of the appliance. QuickNAV is a utility that can be used to identify your ATTO appliance on a network. |
Download |
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ThunderLink FC 3162, FC 3322 Flash Bundle VMware Files in Package:
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ATTO recommends our customers use the latest drivers available. If you require the latest version, please download them at: https://www.vmware.com/resources/compatibility/search.php?deviceCategory=io 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. |
Download |
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ThunderLink FC 5082 Driver Linux Files in Package:
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Linux device driver for ThunderLink FC 5082 Fibre Channel Adapters. Supports the following Linux Distributions: Red Hat Enterprise Linux 8, 9 & 10, Rocky Linux 8, 9 & 10, openSUSE Leap 15 & 16, SUSE Linux Enterprise Server 15, & 16 Ubuntu 22.04 LTS & 24.04 LTS. |
Download |
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ThunderLink FC 5082 Driver macOS Files in Package:
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macOS device driver for ThunderLink FC 5082 Fibre Channel Adapters. Supports the following macOS Versions: macOS 26 Tahoe, macOS 15 Sequoia, macOS 14 Sonoma & macOS 13 Ventura. 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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ThunderLink FC 5082 Driver Windows Files in Package:
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Windows device driver for ThunderLink FC 5082 Fibre Channel Adapters. Supports the following versions of Windows: Windows 10, 11 and Windows Server 2016, 2019, 2022 & 2025. |
Download |
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ThunderLink FC 5082 Flash Bundle Linux Files in Package:
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Linux flash bundle for ThunderLink FC 5082 adapters. Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file. Supported Products: TLFC-5082. |
Download |
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ThunderLink FC 5082 Flash Bundle macOS Files in Package:
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macOS flash bundle for ThunderLink FC 5082 adapters. Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file. Supported Products: TLFC-5082. |
Download |
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ThunderLink FC 5082 Flash Bundle Windows Files in Package:
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Windows flash bundle for ThunderLink FC 5082 adapters. Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file. Supported Products: TLFC-5082. |
Download |
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ThunderLink FC 5082 Multi-Path Director Driver Linux Files in Package:
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ATTO MultiPath Director is a proprietary driver that enables Linux hosts to connect to storage systems that support ALUA for failover, failback and load balancing across Fibre Channel ports. Supports the following Linux Distributions: Red Hat Enterprise Linux 8, 9 & 10, Rocky Linux 8, 9 & 10, openSUSE Leap 15 & 16, SUSE Linux Enterprise Server 15, & 16 Ubuntu 22.04 LTS & 24.04 LTS. |
Download |
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ThunderLink FC 5082 Multi-Path Director Driver macOS Files in Package:
|
ATTO MultiPath Director is a proprietary driver that enables macOS hosts to connect to storage systems that support ALUA for failover, failback and load balancing across Fibre Channel ports. Supports the following macOS Versions: macOS 26 Tahoe, macOS 15 Sequoia, macOS 14 Sonoma & macOS 13 Ventura. 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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ThunderLink SH 3128 Flash Bundle VMware Files in Package:
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ATTO recommends our customers use the latest drivers available. If you require the latest version, please download them at: https://www.vmware.com/resources/compatibility/search.php?deviceCategory=io 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. |
Download |
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XstreamCORE 7550 Firmware Files in Package:
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The latest firmware for XstreamCORE 7550 Bridge. Instructions on how to flash the latest firmware your bridge can be found in the Installation & Operations Manual. |
Download |
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XstreamCORE 7600 Firmware Files in Package:
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The latest firmware for XstreamCORE 7600 Bridge. Instructions on how to flash the latest firmware your bridge can be found in the Installation & Operations Manual. |
Download |
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XstreamCORE 8100T Firmware Files in Package:
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The latest firmware for XstreamCORE 8100T Bridge. Instructions on how to flash the latest firmware your bridge can be found in Section 6 (page 24) of the Installation & Operations Manual: https://www.atto.com/wp-content/uploads/WebCollateral/manuals/XstreamCORE-ET-8100T-Product-Installation-and-Operations-Manual-1.pdf Getting Started Guide for assisting first time users with setting up and configuring your bridge: https://www.atto.com/wp-content/uploads/WebCollateral/manuals/XstreamCORE-ET-8100T-Getting-Started-Guide.pdf NOTE: This firmware version introduces enhancements that require a forward-only upgrade path. As a result, reverting to previous firmware versions is not supported. We recommend reviewing the release notes prior to upgrading. For additional information, please contact ATTO technical support. |
Download |
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XstreamCORE 8200 Firmware Files in Package:
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Please contact ATTO Customer Support at +1 (716) 691-1999 or via our web site at https://www.atto.com/about/contact-atto/ to obtain the latest instructions and firmware for your XtreamCORE Intelligent Bridge. | Download |
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XstreamCORE 8200T Firmware Files in Package:
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Please contact ATTO Customer Support at +1 (716) 691-1999 or via our web site at https://www.atto.com/about/contact-atto/ to obtain the latest instructions and firmware for your XtreamCORE Intelligent Bridge. | Download |
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Xtend SAN™ iSCSI Initiator for macOS Files in Package:
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Version 7 of ATTO Xtend SAN iSCSI Initiator for Mac. Click Here for the Xtend SAN iSCSI Initiator Installation & Operations Manual. Click Here for a step by step guide on YouTube to assist with the installation/authorization process of Xtend SAN. This software supports: macOS 26 Tahoe, macOS 15 Sequoia, macOS 14 Sonoma & macOS 13 Ventura. Note: Minor revision upgrades of Xtend SAN (i.e. 7.x to 7.y) are provided free of charge to users. Major version upgrades (i.e. 6.x to 7.x) require purchase if prior version was purchased more than 90 days previous. |
Download |
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XtendSAN™ iSCSI Initiator for macOS Files in Package:
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Version 8 of ATTO XtendSAN iSCSI Initiator for Mac. Click Here for the Xtend SAN iSCSI Initiator Installation & Operations Manual. Click Here for a step by step guide on YouTube to assist with the installation/authorization process of XtendSAN. This software supports: macOS 26 Tahoe, macOS 15 Sequoia, macOS 14 Sonoma & macOS 13 Ventura. Note: Minor revision upgrades of XtendSAN (i.e. 8.x to 8.y) are provided free of charge to users. Major version upgrades (i.e. 7.x to 8.x) require purchase if prior version was purchased more than 90 days previous. |
Download |