Mainframes are powerful computing platforms designed to handle large-scale processing and manage vast amounts of data. Known for their reliability and high performance, they serve as the backbone for many critical applications in industries such as banking, healthcare, and government.
The top 5 Mainframe solutions are IBM Z, Fujitsu Server GS21, Unisys ClearPath Dorado, Unisys ClearPath Libra and IBM LinuxONE, as ranked by PeerSpot users in November 2025. IBM Z received the highest rating of 0.0 among the leaders, is the most popular solution in terms of searches by peers, and holds the largest mind share of 36.5%.
With their robust architecture, Mainframes continue to be essential in modern IT infrastructure. Over decades, they have evolved to meet the changing demands of businesses by integrating cutting-edge technologies. Offering unmatched processing power, they provide a stable environment for complex tasks and transactions.
What are the key features of Mainframes?In the financial services sector, Mainframes manage vast amounts of transactions daily. In healthcare, they maintain critical patient data and ensure compliance with regulatory standards. Government agencies rely on Mainframes to securely handle data and deliver services to citizens efficiently.
Mainframes provide stable, high-performance environments crucial for organizations needing robust and reliable systems for their critical operations.
| Product | Market Share (%) |
|---|---|
| IBM Z | 36.5% |
| Fujitsu Server GS21 | 23.8% |
| Unisys ClearPath Dorado | 16.9% |
| Other | 22.80000000000001% |
