Why AIX on IBM Power Systems™

Enterprises need infrastructure that is secure, highly available and adaptable to meet changing business demands. AIX®️ on Power Systems delivers these capabilities and more, with the performance, reliability and security your mission-critical data requires.


Integrating and expanding your existing IT infrastructure into new emerging workloads.

Leadership security

AIX UNIX operating system maintains a strong, long-standing security focus and reputation. Security features include Trusted AIX to easily harden the security settings of the system and Trusted Execution to control the integrity of the system.

Unmatched uptime

Power Systems running AIX 7.2 have the lowest percentage of unplanned annual server downtime and best-in-class reliability.* This powerful UNIX OS continues to provide game-changing features such as AIX Live Update, which allows you to apply new AIX OS levels without a system restart.

Investment protection

With a 30-year history of innovation, AIX OS continues to deliver on its robust roadmap with every release. The long-standing AIX focus on binary compatibility allows applications to run unchanged and without recompilation on the newest releases—guaranteed.

Your roadmap to AIX

Get the AIX strategy guide and discover how AIX will support your enterprise cloud and AI initiatives. Hear from businesses that are transforming their work with AIX, see the latest upgrades to the software stack, and learn about IBM’s commitment to AIX through the AIX roadmap to 2030.

IBM AIX latest versions

New! AIX 7.3

Our first 35 years are just the start! AIX 7.3 will continue the legacy of innovation with enhanced capabilities that deliver the resiliency, security and scale needed to get your IT environment hybrid cloud ready.

AIX 7.2

Innovation for enterprise UNIX. Less downtime, more reliability. AIX 7.2 on POWER9 helps you stay available and secure with breakthrough features like Live Updates. Apply new OS levels without disruption, increase your uptime and deliver superior performance.

AIX 7.1

A proven investment. Grow your IT infrastructure and manage changing workloads using AIX 7.1. With enhanced virtualization capabilities and Power technology, you can enjoy tremendous vertical scalability with industry-leading efficiency.

Featured software and tools

AIX expansion pack

Extends the base operating system capabilities and is included with every new order when media is selected.

AIX web download pack

Offers additional applications and tools available for download. (Requires login to IBM.com)

Open-source package repository for AIX

The AIX Toolbox for Linux applications provides important pre-requisite technologies such as Python and YUM for solutions like Ansible Automation.

Compilers for AIX

Take advantage of a 60-day no-cost trial for any of these advanced compilers for AIX and Power Systems.

Software from Business Partners

Find more than 160 validated solutions to help you make the most of your investment in Power Systems.

Next steps