ATTO Software Downloads

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.

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:
VMware

Title
Celerity 16/32/64Gb Fibre Channel Flash Bundle VMware

Files in Package:
  • Flash Bundle Version (v09/19/2025) 30.37 MB
  • Product Release Notes 151.8 KB
VMware flash bundle for Celerity 16/32/64Gb Fibre Channel adapters.

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.

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

Supported Products: Celerity FC-161P, Celerity FC- 162P, Celerity FC-164P, Celerity FC-321E, Celerity FC-321E, Celerity FC-324E, Celerity FC-321P, Celerity FC- 322P, Celerity FC-324P, Celerity FC-641E , Celerity FC-642E and Celerity FC- 644E.
ExpressSAS 12Gb GT Flash Bundle VMware

Files in Package:
  • Flash Bundle Version (v260427) 12.32 MB
  • Product Release Notes 123.25 KB
VMware flash bundle for ExpressSAS 12Gb GT Host Bus adapters.

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.

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.
FastFrame 1 10GbE NIC VMware Software

Files in Package:
  • Software Version (v3.21.4.3)
The below file may be installed directly on an ESX server from the command line, or through the VMware Update Manager (VUM).
ThunderLink FC 3162, FC 3322 Flash Bundle VMware

Files in Package:
  • Flash Bundle Version (v09/19/2025) 30.37 MB
  • Product Release Notes 151.8 KB
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.
ThunderLink SH 3128 Flash Bundle VMware

Files in Package:
  • Flash Bundle Version (v12/13/2022) 131.55 KB
  • Product Release Notes 8.83 MB
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.
XstreamCORE 7550 Firmware

Files in Package:
  • XC7550_3_70_32F.zbd 12.71 MB
  • XstreamCORE 7550 Firmware PRN 219.91 KB
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.
XstreamCORE 7600 Firmware

Files in Package:
  • XC7600_4_01_001F.zbd 48.34 MB
  • XstreamCORE 7600 Firmware PRN 206.59 KB
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.
XstreamCORE 8100T Firmware

Files in Package:
  • Firmware Version (v2.07.6) 42.09 MB
  • Product Release Notes 179.44 KB
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.
XstreamCORE 8200 Firmware

Files in Package:
  • Product Release Notes (v6.07) 168.49 KB
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.
XstreamCORE 8200T Firmware

Files in Package:
  • Product Release Notes (v6.07) 168.93 KB
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.