--- title: IBM Z Reviews meta_title: 'IBM Z Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 89 reviews by the users' company size, role or industry to find out how IBM Z works for a business like yours. aggregate_rating: rating_value: 4.5 review_count: 89 scale: '5' date_modified: '2026-10-07' parent_category: name: IT Hardware url: https://www.g2.com/categories/it-hardware ---

IBM Z Reviews & Product Details

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User Insights

Average based on 89 real user reviews.

Verified User in Consumer Services
CC
Verified User in Consumer Services
Enterprise (> 1000 emp.)
"Environment of very high capacity and security."
5/5
What do you like best about IBM Z?

Security, reliability, code maintenance for years, and products with great reliability and specialized support. Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Launch of new hardware every 2 or 3 years. Very short time, considering the durability of the equipment. Review collected by and hosted on G2.com.

Uday Veer S.
US
Uday Veer S.
Lead Designer
"reliable and secure"
4/5
What do you like best about IBM Z?

As a user of IBM Z, I have been really impressed with the high levels of security and reliability offered by this platform. In my experience, it has been rock solid and has never experienced any downtime, which is essential for the mission-critical applications that we run on it.

One of the things that I appreciate most about IBM Z is its performance. It can handle heavy workloads with ease and can process large amounts of data quickly Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

One of the main drawbacks is the cost. IBM Z is generally more expensive than other options on the market, which can be a major barrier for smaller organizations or those with limited budgets. Review collected by and hosted on G2.com.

Verified User in Financial Services
AF
Verified User in Financial Services
Enterprise (> 1000 emp.)
"Best solution for ecology & transactions performances"
4.5/5
What do you like best about IBM Z?

Reliability, embedded features, carbon footprint Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Expansive inherent products, missing human resources. Review collected by and hosted on G2.com.

Verified User
G
Verified User
Small-Business (50 or fewer emp.)
"powerful and reliable"
4/5
What do you like best about IBM Z?

The IBM Z can handle extremely large amounts of data and support thousands of users simultaneously and offers advanced security features, optimized for data-intensive workloads. Additionally, it has a relatively low total cost of ownership making it a great choice for organizations with large and growing IT environments. It has been in the market for decades and has a proven track record of reliability and performance, serving large corporations and governmental organizations, which gives you an assurance that it is battle-tested and known for its robustness. Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

IBM Z has limited ability to run newer or open-source software and technologies. So, it takes extra third-party help to make IBM Z work with other systems, which increases the already high costs and complexity. Review collected by and hosted on G2.com.

Verified User in Banking
UB
Verified User in Banking
Enterprise (> 1000 emp.)
"The best technology"
5/5
What do you like best about IBM Z?

Security, integrity, reliability and continuity Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Hardware and software prices and few courses made available to end users. Review collected by and hosted on G2.com.

Verified User in Information Technology and Services
CI
Verified User in Information Technology and Services
Enterprise (> 1000 emp.)
"Lead technical PM"
5/5
What do you like best about IBM Z?

Reliability, Security, Capacity, NW features Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Cost, high complexity, lack of MF specialists who knows Review collected by and hosted on G2.com.

Verified User in Financial Services
UF
Verified User in Financial Services
Enterprise (> 1000 emp.)
"We consider the mainframe environment to be the most secure platform."
5/5
What do you like best about IBM Z?

We like the mainframe environment because of its stability. Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

Lack of training opportunity. Very restricted job market. Review collected by and hosted on G2.com.

SM
Sarah M.
Assistant Procurement Officer
Mid-Market (51-1000 emp.)
"Scalable IBM z15 tool"
5/5
What do you like best about IBM Z?

IBM Z team are super responsive whenever we need their support on this tool. The security features in this tool are unmatched, making it a great tool for handling sensitive financial data in our organization. Its 5GHz processor speed has been very helpful in transferring data regarding the transactions made within each department. This has helped us carry out business operations seamlessly, hence increasing productivity. Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

It's time-consuming to learn how to configure and set it up. It's also quite expensive to acquire. Review collected by and hosted on G2.com.

Abhishek D.
AD
Abhishek D.
Cloud Implementation Analyst
Enterprise (> 1000 emp.)
"IBM Z - Powerful, SuperFast & HighlyAvailable"
4.5/5
What do you like best about IBM Z?

What I like the most about IBM Z is

1. It is Reliable and offers high availability. Handles transactions like a charm without any load.

2. Super secure. No one can match that.

3. Its easy to find documentation if we get stuck somewhere. Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

1. The GUI could be improved so it could be easier to manage resources.

2. Sometimes it's even hard to deploy some common needed softwares such as ftp.

3. There are less coding languages available by default. Review collected by and hosted on G2.com.

SP
Sergi P.
IT Support Specialist
"An excellent solution for transaction analysis and many more functions"
5/5
What do you like best about IBM Z?

IBM Z is great and very useful for managing different transaction processes like inventory and billing. I liked that they provide great deep and detailed analysis, and their security is excellent. Review collected by and hosted on G2.com.

What do you dislike about IBM Z?

At first, it is difficult to learn, and I see that it is a costly platform, but it is beneficial. Review collected by and hosted on G2.com.

Questions about IBM Z? Ask real users or explore answers from the community

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GU
Guest User

What is IBM z architecture?

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GU
Guest User
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Last activity 4 months ago

What is IBM Z used for?

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Pricing

Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more.