IBM Z Reviews & Product Details

IBM Z® are modern mainframe platforms that include enterprise operating systems and IBM z/OS or Linux software. Offering multiple options, IBM Z can be configured as a single-frame, multi-frame, or rack mount to fit your workload optimization and infrastructure needs. IBM Z is designed to bring AI, security, resiliency and scalability to your hybrid cloud environment to meet the evolving demands of the world's largest enterprises. Today, the IBM z17™, powered by the IBM Telum II® processor and paired with the IBM Spyre™ Accelerator , integrates advanced AI into hybrid cloud, optimizing performance, security and decision-making where critical data resides. Combined with the IBM Telum II processor, IBM Spyre™ Accelerator, is designed to increase the AI acceleration available to handle larger, more complex AI use cases, including generative AI and multi-model. As a scalable PCIe card-based solution, Spyre enables, clients to leverage this efficient solution for next-generation AI challenges. In addition, with custom designed automations and libraries engineered to enable greater operational efficiency, IBM z17™ is built to streamline IT operations, reduce complexity and empower workforce . The IBM z17™ is designed to help protect crucial data and workloads from current and future threats with its advanced security features like quantum-safe cryptography, enterprise-grade encryption, secure key management, and tamper-resistant technology. Also, it is built to help support high availability and continuous operations amid evolving business and regulatory requirements thought cyber resiliency features. Overall, IBM z17™ helps clients drive innovation, power new workloads and enhance their productivity.

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IBM Z Community

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User Insights

Average based on 89 real user reviews.

IBM Z Integrations

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Integration information sourced from real user reviews.

Sandeep K.

Enterprise (> 1000 emp.)

8/17/2023

"Mainframes are MAD – Modern, Adaptable, Diverse"

4/5

What do you like best about IBM Z?

Having 20 yrs of exp on Mainframe, 1st thing that comes into mind is stability & how robust the environment is. Performance on Mainframe is exceptional Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Modern tooling adaption is pretty slow but we are there. Hoping in coming few years, every software that is developed will also have a release in IBMz Review collected by and hosted on G2.com.

Ruud O.

Mid-Market (51-1000 emp.)

11/30/2023

"IBM Z"

4.5/5

What do you like best about IBM Z?

Its stability. And a good Customer Support. Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Its high costs. That is the reason we will move away from IBM Z. Review collected by and hosted on G2.com.

Pramod P.

ASSITANT CONSULTANT

Enterprise (> 1000 emp.)

11/1/2023

Business partner of the seller or seller's competitor, not included in G2 scores.

"IBM Z still standing"

4.5/5

What do you like best about IBM Z?

IBM Z mainframe is the legacy application which still runs million transactions daily. It is still much faster than current new technologies. We are currently making mainframe applications to be accessed from other cloud technologies using ZOS connectivity. Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

One thing worried is day to day many good technical resources are decreasing from IBM Z mainframes. Review collected by and hosted on G2.com.

Verified User in Financial Services

Enterprise (> 1000 emp.)

10/26/2023

"most reliable, stable with excellent customer support"

5/5

What do you like best about IBM Z?

Most reliable and trustworthy with excellent customer service. Always quick resolution either through knowedlgebase or customer support, I even setup internal webportal to isolate from external source to logging to the product using internal AD or using its inbuilt user interface to connect to mainframe or on prime Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

I never find any obstacles to connect or logging issue. Currently started to integrate with aws cloud but due to strong IBM Z customer support we will achieve that task too. We are very happy with awesome customer service, Review collected by and hosted on G2.com.

Verified User in Information Technology and Services

Mid-Market (51-1000 emp.)

11/18/2023

"IBM z15 with z/OS 2.4"

5/5

What do you like best about IBM Z?

IBM z give us high availability, good security and performance. Also, we have good support. Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

The only problem with IBM z is the high price. Review collected by and hosted on G2.com.

vanderlei ferreira D.

Enterprise (> 1000 emp.)

11/17/2023

"IBM has been committed to the success of our company!!"

4.5/5

What do you like best about IBM Z?

Partnership, technical training, application and benefits to businesses, advantages of working with products and support with quality. Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Price and complexity in managing product upgrades. Review collected by and hosted on G2.com.

edson t.

Enterprise (> 1000 emp.)

11/16/2023

"High technology and reliability"

4.5/5

What do you like best about IBM Z?

Availability, compliance, security and high tech Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Costs and business agreements may impact on operation Review collected by and hosted on G2.com.

Verified User in Banking

Mid-Market (51-1000 emp.)

10/26/2023

"The IBM Z great platform"

5/5

What do you like best about IBM Z?

It is is a stable, reliable, solid, secure and resilient platform Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Linux on Z/LinuxOne is not so appreciated, compared to Linux on other platforms Review collected by and hosted on G2.com.

Verified User in Banking

Enterprise (> 1000 emp.)

10/16/2023

"Ease and clarity in searching for information about the Z environment on IBM sites"

5/5

What do you like best about IBM Z?

Innovations in Security and constant technical updates of the subsystems Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

I find it very difficult to find this answer, as I am satisfied with the information about what IBM Z can provide. Review collected by and hosted on G2.com.

Celso Y.

Enterprise (> 1000 emp.)

9/5/2023

"Specialist in performance and capacity planning"

5/5

What do you like best about IBM Z?

The platform offers excellent availability, performance and security. In addition to having a very efficient support team Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Despite being constantly evolving, it is still seen as outdated by many audiences. Review collected by and hosted on G2.com.