How mainframes can help

Cloud native

Build digital and AI-infused services. Develop and deploy anywhere. Manage, orchestrate and automate consistently.

Encryption everywhere

The ideal platform for sensitive data and applications in hybrid cloud, IBM Z can speed encryption and manage privacy by policy.

Cyber resilience

Mainframes are designed to isolate workloads at scale, protect against attacks, speed system recovery, and deliver continuous service.

Flexible computing

Mainframe systems are available through your choice of public, private or hybrid cloud and are made for businesses of all sizes.


Explore the IBM z15 family

IBM z15 Single frame server

IBM z15™ single-frame

The new air-cooled, single-frame system extends next-level data privacy, security and resiliency to any hybrid cloud and is designed for businesses of all sizes.

IBM z15 2-frame Server

IBM z15™ multi-frame

The multi-frame system brings next-level data privacy, security and resiliency to any hybrid cloud – and offers enterprise-level scalability.

Allied Irish Bank uses IBM Z to back their customers' dreams and ambitions

One of the largest banks in the Republic of Ireland, Allied Irish Bank (AIB), relies on the agility and scale of the IBM Z technology to deliver open banking and mission-critical infrastructure.

The Z platform is by far and away the most modern piece of infrastructure. From our perspective pivotal to the successful operation of AIB.

Graham Fagan, Director of Technology and Operations, Allied Irish Bank

Latest on mainframes

Hear from our General Manager

See how the new IBM mainframes systems deliver the cloud, privacy and security you need.

Expert review of IBM Z's privacy enhancements

Read Michael Jordan’s expert view on the latest privacy capabilities on IBM Z.

A platform purpose-built for cloud

See how z15's cloud native, data protection, and cyber resilience capabilities fit the cloud data center.

You may also be interested in

Storage for mainframes

Make the most of your mainframe investment. Extend your trusted foundation for mission-critical hybrid multicloud storage.

Mainframe technologies

The mainframe is constantly being reimagined and reinvented for the newest apps at their highest scale of deployment.

Mainframe OS and software

IBM mainframes run a variety of operating systems and software.