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IBM Z Reviews

Vendor: IBM
5.0 out of 5
Badge Ranked 1

What is IBM Z?

IBM Z mindshare

As of May 2026, the mindshare of IBM Z in the Mainframes category stands at 32.3%, down from 39.2% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Mainframes Mindshare Distribution
ProductMindshare (%)
IBM Z32.3%
Unisys ClearPath Dorado19.8%
Fujitsu Server GS2119.7%
Other28.200000000000003%
Mainframes
 
 
Key learnings from peers
Last updated Mar 26, 2026

Valuable Features

Room for Improvement

Top industries

By visitors reading reviews
Financial Services Firm
13%
Government
11%
Media Company
8%
Computer Software Company
7%
Retailer
7%
Educational Organization
7%
Manufacturing Company
7%
University
5%
Non Profit
5%
Outsourcing Company
3%
Healthcare Company
3%
Hospitality Company
3%
Real Estate/Law Firm
3%
Legal Firm
3%
Recreational Facilities/Services Company
2%
Renewables & Environment Company
2%
Energy/Utilities Company
2%
Consumer Goods Company
2%
Insurance Company
2%
Logistics Company
2%
Construction Company
2%
Performing Arts
2%
Program Development Consultancy
2%

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IBM Z customers

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IBM Z Reviews Summary
Author infoRatingReview Summary
Manager CICS Support at Blue Cross Blue Shield of Illinois5.0I found this system excellent for batch DB online use, processing mission-critical apps. Its ability to handle heavy mixed workloads is valuable. I'd like a more graphical UI for system changes, though IBM is addressing it via OSMF.