Xtend SAN iSCSI Initiator Version 6.00

iSCSI Initiator Software for Mac®

Model No. INIT-MAC0-001

Most trusted by Fortune 1000 companies to connect their SAN Storage!

Due to significant modifications in macOS 11.0 Big Sur, changes to the default settings may be required for XtendSAN to install properly. Click here for more information.

ATTO Xtend SAN™ iSCSI 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.

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iSCSI is an important enabler for connecting to Storage Area Networks (SANs) through an Ethernet connection.  More and more enterprises are using SAN technology to directly connect higher speed workstations and laptops directly to storage in order to more quickly share larger data files in collaborative workflows and remote back-ups applications. 

With iSCSI, small businesses and workgroups can take full advantage of a SAN environment, even with limited IT budgets and resources to boost your workflow performance in key applications such as digital video/audio, imaging, rendering, and game development. Xtend SAN™ has been rigorously tested, certified and recommended 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.  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 Ethernet and iSCSI products compatible with macOS®, ATTO is the premier provider of storage and networking solutions for macOS® users.


  • Easily attach iSCSI storage to any Mac Ethernet port
  • Certified with the top industry storage and switches
  • Quick setup and monitoring make it easy to manage
  • Supports available transfer size and queue depths
  • Easy to customize for OEM storage needs
  • Best results with ATTO FastFrame™ Smart NICs or ThunderLink® Ethernet products
  • Supports M1 arm-based Apple devices


How to Install ATTO Xtend SAN iSCSI Initiator including instructions for Apple M-Series Silicon

Tech Brief - Xtend SAN

Software - Xtend SAN

Xtend SAN Manual

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