IBM Z Systems Reviews

Vendor: IBM

5.0 out of 5

1 review
100% willing to recommend

What is IBM Z Systems?

IBM Z mainframes deliver millisecond response time, extreme reliability, near 100% uptime and the world’s best security.

IBM Z Systems is the #1 ranked solution in top Mainframes. PeerSpot users give IBM Z Systems an average rating of 10.0 out of 10. IBM Z Systems is most commonly compared to Fujitsu Server GS21: IBM Z Systems vs Fujitsu Server GS21. IBM Z Systems is popular among the large enterprise segment, accounting for 65% of users researching this solution on PeerSpot. The top industry researching this solution are professionals from a financial services firm, accounting for 19% of all views.

IBM Z Systems mindshare

As of June 2025, the mindshare of IBM Z Systems in the Mainframes category stands at 38.6%, down from 40.6% compared to the previous year, according to calculations based on PeerSpot user engagement data.

Mainframes

Top industries

By visitors reading reviews

Financial Services Firm

19%

Computer Software Company

16%

University

12%

Retailer

Educational Organization

Manufacturing Company

Healthcare Company

Non Profit

Government

Media Company

Legal Firm

Logistics Company

Construction Company

Insurance Company

Marketing Services Firm

Outsourcing Company

Real Estate/Law Firm

Aerospace/Defense Firm

Program Development Consultancy

Consumer Goods Company

Recreational Facilities/Services Company

Energy/Utilities Company

Comms Service Provider

Hospitality Company

Compare IBM Z Systems with alternative products

Learn more about IBM Z Systems

The newest mainframe, IBM z14 (z14), is designed for trusted digital experiences. This enterprise system delivers pervasive encryption, stronger clouds, real time insights, machine learning and transparent blockchain.