The platform designed for mission-critical workloads on hybrid cloud

Cloud promises agile, open innovation. So why have only 20% of workloads moved there? Because to move mission critical apps and data to cloud, you need encryption everywhere, Instant Recovery, and cloud native development that extends across your cloud environment.

Explore IBM Z systems hardware


IBM z15™

The newest IBM Z multi-frame system extends next-level resiliency and data privacy to hybrid cloud infrastructures.

IBM z14™

IBM z14™

The z14 dual- and single-frame systems introduced pervasive encryption along with openness, agility and scalability.

What’s the business value of IBM Z?

According to a new IDC analyst report, enterprise customers are expected to gain over USD 190M in revenue impact, USD 3M in operations cost savings, 44% reduction in unplanned outages and 2x more agility in new feature development.

You may also be interested in

Products A to Z

Find all IBM Z hardware, operating systems and software.

What's new

Get news about products and timely information about IBM Z.

What can IBM z15 can do for your hybrid multicloud transformation?

Forrester on modernization

82% of organizations plan to increase or maintain data server usage. Be ready.

Secure Cloud for Dummies

Fuel your digital transformation with a hybrid cloud strategy.

IDC on hardware upgrades

See how the pace of upgrades impacts costs and performance.

Red Hat for IBM Z

See the direction for Red Hat OpenShift for IBM Z.

Journey to cloud

Hybrid multicloud is the new standard. Get ready.

IBM Z skills

Explore how students Master the Mainframe.


Delivers data security and peace of mind for clients and their retail banking customers.

Allied Irish Bank

Uses the agility of the IBM Z platform to deliver open banking and new functionality.


Ensures service levels even during high-demand tax season.

IBM z15 functional matrix

See the supported features and functions.

IBM z15 Redbooks

Find documents that provide technical insights on IBM z15.

More Redbooks

Find Redbooks for IBM Z hardware, software and operating systems.

Application Discovery and Delivery Intelligence

See how to modernize apps with a zero-cost, no-installation trial.

z/OS Connect Enterprise Edition

Create scalable RESTful APIs securely from your critical applications.

More trials

Try the latest IBM Z capabilities today
at zero cost, and with no installation required.