IBM zSystems™ is an essential element of your hybrid cloud strategy. Accelerate digital transformation and unlock 2.5x more value than public cloud alone¹ with an industry-first quantum-safe system² that can reduce your carbon footprint. Unlock new insights with AI, modernize applications and data, and deliver 99.9999% availability.³

Learn more about sustainability with IBM zSystems

Introducing IBM z16: Hear from the experts

Introducing IBM z16: Hear from the experts (3:35)

What IBM zSystems offers


IBM z16™ platform delivers breakthrough technologies with the highest security, performance and availability.


Make the most of your investment with software for security, cloud, AIOps, automation and more.

Operating systems

IBM zSystems are flexible and run z/OS®, Linux®, z/VSE®, z/TPF and z/VM®.

IBM Z and Cloud Modernization Center

Modernize your business with help from IBM

Accelerate the modernization of your applications, data and processes with expert guidance from IBM. The IBM Z and Cloud Modernization Center combines IBM Consulting with our expansive partner ecosystem to help you lower costs and increase ROI with hybrid cloud.

Browse by platform features


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


Strengthen mainframe security and protect your business data against cyber threats with IBM zSystems.

Hybrid cloud

Integrate IBM zSystems into your hybrid cloud to accelerate modernization and deliver innovation with greater productivity.


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


Achieve up to seven nines availability, recover systems without data loss, and defeat ransomware.


Transform mission-critical applications for hybrid cloud environments with stability, security and agility.

Client and Business Partner stories


¹ Source: Based on an IBM-commissioned study measured across five key value areas: business acceleration, developer productivity, infrastructure costs, regulatory and compliance, deployment flexibility

² IBM z16 is the industry's first quantum-safe system.

DISCLAIMER: IBM z16 with the Crypto Express 8S card provides quantum- safe APIs providing access to quantum-safe algorithms which have been selected by NIST to become part of its post-quantum cryptographic standard. https://www.nist.gov/news-events/news/2022/07/nist-announces-first-four-quantum-resistant-cryptographic-algorithms (link resides outside ibm.com) Quantum-safe cryptography refers to efforts to identify algorithms that are resistant to attacks by both classical and quantum computers, to keep information assets secure even after a large-scale quantum computer has been built.
Source: https://www.etsi.org/technologies/quantum-safe-cryptography (link resides outside ibm.com).” These algorithms are used to help ensure the integrity of a number of the firmware and boot processes. IBM z16 is the Industry-first system protected by quantum-safe technology across multiple layers of firmware. According to Peter Rutten, Research Vice-President IDC, "z16 is the industry's first quantum-safe computing platform."

³ IBM internal data based on measurements and projections was used in calculating the expected value. Necessary components include IBM z16; IBM z/VM V7.2 systems collected in a Single System Image, each running RHOCP 4.10 or above; IBM Operations Manager; GDPS 4.5 for management of data recovery and virtual machine recovery across metro distance systems and storage, including Metro Multi-site workload and GDPS Global; and IBM DS8000 series storage with IBM HyperSwap. A MongoDB v4.2 workload was used. Necessary resiliency technology must be enabled, including z/VM Single System Image clustering, GDPS xDR Proxy for z/VM, and Red Hat OpenShift Data Foundation (ODF) 4.10 for management of local storage devices. Application- induced outages are not included in the above measurements. Other configurations (hardware or software) may provide different availability characteristics.