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IBM Z® is a family of modern infrastructure that runs enterprise operating systems and IBM Z systems software.

IBM Z delivers the security, resiliency, performance, scalability and sustainability that you would expect from a flagship enterprise compute platform from IBM®. To help meet the changing demands of the world's largest enterprises, IBM z16™ enables AI inferencing at unprecedented speed and scale and IBM watsonx Code Assistant™ for Z simplifies and accelerates application modernization through generative AI.

What if IBM Z could help stop fraud?

Gartner® report: The state of IBM mainframe at 60 years.

What IBM Z offers
Systems The IBM z16™ platform uses AI and delivers breakthrough technologies with the highest security, performance and availability. Explore IBM z16

Software The IBM Z software helps you make the most of your software investment for security, cloud, AIOps, automation and more. Explore software

Operating systems IBM Z mainframes are flexible and run on z/OS®, Linux®, z/TPF and z/VM®. Explore operating systems
Browse by platform capability Artificial intelligence

Use AI and machine learning to convert data from every transaction into real-time insights with IBM Z.

Explore AI on IBM Z
Hybrid cloud

Integrate IBM Z into your hybrid cloud to deliver innovation with greater productivity.

Explore hybrid cloud on IBM Z
Mainframe application modernization

Modernize mainframe applications with consistent enterprise-wide practices and leveraging  generative AI.

Explore mainframe application modernization

Reduce energy consumption by consolidating selected x86 workloads onto a single physical IBM Z system.

Explore sustainability on IBM z16

Strengthen security to help protect your business data against cyberthreats, including ransomware with IBM Z.

Explore security on IBM Z

Achieve up to 8 nines application availability and accelerate system recovery.

Explore resiliency on IBM Z

Use DevOps best practices to accelerate the delivery of higher-quality hybrid cloud solutions while minimizing risk and optimizing workload deployment.

Explore DevOps on IBM Z

Improve systems management, IT operations, application performance and operational resiliency with AI on the mainframe.

Explore AIOps on IBM Z
Become a mainframer
Learn industry-critical enterprise computing skills

Browse through customized training, certification and hands-on experience to build in-demand skills so you can make the most of your investment in this technology.

IBM Z Xplore Learning Platform IBM Z Mainframe Skills Depot
Case studies Low-risk modernization of banking applications

Atruvia AG protects data against the impact of breaches for millions of banking customers with help from IBM.

Boosting banking resiliency

ANZ transforms the mainframe environment with highly flexible and mirrored IBM Z.

Resources Modernizing mainframe applications with a boost from generative AI

Read how to achieve business agility and keep up with competitive challenges and customer demand modernizing their applications on the mainframe.

Mainframe application modernization beyond banking

This is part one in a five-part blog series on mainframe modernization. Looking at mainframe modernization in industries like insurance, automotive and retail.

Modernize with technology partners

Use a growing ecosystem of technology partners and open source options to accelerate modernization.

Take the next step

Explore our Mainframe Application Modernization solutions. Or, schedule a no-cost 30-minute meeting with an IBM Z representative.

Explore our modernization solutions
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