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ATTO ExpressPCI contains the drivers for the ExpressPCI SCSI card adapter.

What's New

Version 3.21:
  • When used with the latest ATTO Configuration Tool includes support for dynamic SCSI bus rescan, allowing users to add and remove devices from the bus without a system reboot. You should use the latest version of the ATTO Configuration Tool and flash file to update the adapter after installing the driver update.


  • Mac OS X 10.3 or later
  • ExpressPCI UL3D or UL3S (Dual Channel Ultra3 SCSI)

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Current Version (3.x)


Downloads 4,767
Version Downloads 2,342
Type Drivers / Other
License Free
Date 09 Apr 2006
Platform OS X / PPC 32
Price Free
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