Xtend SAN iSCSI Initiator Version 5.51

iSCSI Initiator Software for Mac®

Model No. INIT-MAC0-001

We are aware of the current issue with ATTO Xtend SAN software not always installing in macOS 11.0 Big Sur and are working to remedy the situation as soon as possible. We recommend Xtend SAN users not update their macOS to Big Sur until this is resolved.

ATTO Xtend SANiSCSI Initiator for Mac systems enables macOS® users to have a reliable, secure, highly interoperable connection to any iSCSI storage. Xtend SAN is fully supported and updated as new versions of macOS are released so downtime is never an issue. iSCSI allows users to take advantage of their Ethernet expertise and infrastructure while reaping the benefits of network attached storage.

Need to authorize your software? Visit our software authorization page here!

iSCSI is an important enabler for key applications including collaborative digital video/audio workflows, laptop connectivity to SANs, and remote backups. With iSCSI, small businesses and workgroups can take full advantage of a SAN environment, even with limited IT budgets and resources. Xtend SAN has been rigorously tested with products from leading iSCSI manufacturers, ensuring a high degree of interoperability.

The simplicity of iSCSI makes it the ideal storage networking protocol for macOS® users who are accustomed to the legendary ease-of-use of macOS, as even non-technical users can set-up and manage a server with just a few mouse clicks. Xtend SAN further lessens the effort associated with the implementation of an iSCSI SAN by providing features designed for ease-of-use. Xtend SAN provides a user interface that reflects the elegance and simplicity macOS® users have come to expect.

With a wide range of iSCSI products compatible with macOS®, ATTO is the premier provider of iSCSI solutions for macOS® users.


  • Easy to use
  • Downloadable
  • Free upgrades for minor .x releases

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