Why IBM Z?

The world is in the midst of a digital transformation. As businesses adapt to capitalize on digital, trust will be the currency that drives this new economy. Trust is why 44 of the top 50 banks, government agencies, healthcare organizations, and 10 of the top 10 insurers run on IBM Z mainframes.

Capabilities to tackle to your toughest challenges

Protect your business

Encrypt 100% of application and database data 8.4x more effectively than x86 on a system with 99.999% uptime.

Win with cloud

Not all clouds are equal. IBM Z offers 50% lower costs with more security, availability and performance – and is sized to fit any cloud data center.

Unleash your IT teams

On IBM Z, developers can use tools they love to dream up and deploy applications in hours. System admins can predict and respond faster.

Turn data into insight

Everything in your organization produces data. Can you transform it into insight in real time with no data movement? Machine learning on Z can.

What’s new for IBM Z?

The z14 family has a new single-frame model, built on an industry-standard form factor. Along with technologies like pervasive encryption you can create a low-cost, secure, cloud infrastructure and identify opportunities through trusted digital experiences.

Hear from customers

When we talk to clients, certainly security and trust are the two biggest things. [With IBM Z] there has been absolutely no security breach over the past 15 years.

—Addie Buissinne, Director of Financial Solutions, Emid

What we offer


The servers with the highest security, performance, and availability are made for trusted experiences.

Operating systems

IBM mainframes are flexible – on-prem, off-prem or provisioned – and run on z/OS, Linux on Z, z/VSE, z/TPF or z/VM.


Make the most of your investment with software for security, cloud, analytics, DevOps, and more.

Solitaire on security

Why 100% data encryption is the new paradigm for cyber threat protection.

Secure Cloud for Dummies

Deliver excellent experiences and innovative technologies with ironclad trust.

IDC whitepaper

The business value of a connected mainframe to your digital transformation. Start with 300% ROI.

It's available!

Announcing the availability of the cloud-ready data center dream – the new IBM z14.

IBM Cloud Private on Z

Build, deploy and manage cloud-native applications on the most secure data-serving platform.

More expert views

Stay informed and connect with experts

z/OS Connect Enterprise Edition trial

See how easy it is to create scalable RESTful APIs for mobile and cloud applications securely from your applications already on the mainframe.

Application Discovery and Delivery Intelligence trial

Experience the value of Application Discovery and Delivery Intelligence for software lifecycle management and digital transformation.

More trials

Try the IBM Z capabilities at zero cost and with no installation. These trials are ready for use so you can get started in hours.

Future-proof your skills

Explore enterprise IT's hottest topics from pervasive encryption to cloud and the API economy.

Encryption webcast

Learn about the encryption imperative and GDPR security compliance.

Join us

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