Your customers need assurance that their data is safe, and your services will remain available and fulfilled instantly. Your company wants to understand and connect with customers at a deeper level, and in near real time. IBM mainframes help you accomplish these goals.



The world’s most trusted servers offer 100% encryption to protect your data from internal and external threats.



IBM mainframes deliver record uptime and 99.999% availability.



Process billions of transactions on a single server with speeds 2.8x faster than competitors.

Why mainframe – and why now?

IDC outlines the business value of mainframe for digital transformation.

IBM mainframe server offerings

IBM Z® mainframes deliver the world’s best security and reliability, with millisecond response times, hybrid cloud deployment, and performance at scale.

IBM z15

IBM z15

The newest IBM Z multi-frame systems provide industry-leading levels of data privacy, security and resiliency anywhere for your mission-critical applications.

IBM z14

IBM z14®

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

Mainframe OS

IBM Z mainframes run on a variety of operating systems: z/OS®, Linux on Z, z/VSE®, z/TPF, and the z/VM® hypervisor.

With IBM Z, you gain a highly scalable and secure IT infrastructure – on premises, off premises, or provisioned as-a-service – to deliver trusted digital experiences for your customers.

Mainframe technologies

The mainframe is constantly being reimagined and reinvented for the newest applications at their highest scale of deployment. Accelerate your organization’s growth with high-performing enterprise IT features for analytics, blockchain, secure data management, operational excellence, and enterprise DevOps.

Mainframe software

Software for trusted digital experiences on the IBM mainframe.

Make the most of your investment in the IBM Z platform with more than 100 applications, from analytics to data management and security.


Forrester: Trust must be the foundation of your B2B digital ecosystem

Why IBM mainframes are the trusted platform for digital transformation

The Bank of New York Mellon: Why IBM mainframes provide the security, speed, and scale they need

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