# IBM Z Reviews **Vendor:** IBM **Category:** [Servers](https://www.g2.com/categories/servers) **Average Rating:** 4.5/5.0 **Total Reviews:** 89 ## About IBM Z 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. ## IBM Z Reviews ### 1. Powerful, Reliable Platform for Enterprise-Scale Workloads **Rating:** 4.5/5.0 stars **Reviewed by:** Sri T. | I am an IBM Z Student Ambassador and a rising senior at VCU (Virginia Commonwealth University), Small-Business (50 or fewer emp.) **Reviewed Date:** August 22, 2025 **What do you like best about IBM Z?** What I really liked about IBM Z is that it provides an unmatched scalability for critical applications. It's strong in processing large volumes of transactions securely, which makes sense why many enterprises rely on it. What I really like is how an old technology like mainframe is able to integrate modern capabilities like APIs, AI, Cloud, and etc. without sacrificing its strengths in performance and security. **What do you dislike about IBM Z?** I think one think I find as a struggle (not something I completely dislike), would be the learning curve. New developers might find the mainframe environment intimidating compared to modern cloud platforms. Implementation can required specialized knowledge. Also, it may be costly for small organizations to setup a mainframe environment. **What problems is IBM Z solving and how is that benefiting you?** IBM Z is helping consolidate large-scale data processing and transactional workloads into a secure environment. It solves challenges around handling high-volume transactions with zero downtime. I would say the benefit would be that it improves efficiency, reducing risk, and supporting modernization without disrupting critical systems. IBM Z is also addressing the need for scalability, reliability, and security in financial and enterprise-grade applications. I believe that IBM Z is also helping bridge the gap between older systems and modern digital services. ### 2. Highly Reliable and Scalable for Critical Financial Workloads **Rating:** 5.0/5.0 stars **Reviewed by:** Abhishek A. **Reviewed Date:** October 12, 2025 **What do you like best about IBM Z?** I really appreciate the reliability and scalability of IBM Z, as these are top concerns for any financial institution I work with. The security standards, including the latest quantum-safe security offerings, are impressive and meet the high demands of my industry. The evolution from console mode to GUI-based interactions, along with Watson x assistance, has made life easier by simplifying tasks. The platform efficiently handles IO-intensive core banking applications with minimum downtime and impressive response times, offering strong reliability, availability, and scalability. IBM Z integrates well with Red Hat Linux, enhancing my operations with wide support for various software. **What do you dislike about IBM Z?** I think the form factor of IBM Z could be improved further. While there's been some change with the introduction of rack-mounted options for business class servers, enterprise class servers still come as large units that can take up several racks. It would be beneficial if the form factor could be minimized even more. Additionally, although electricity consumption has already been reduced, making further reductions would help align with sustainability standards. **What problems is IBM Z solving and how is that benefiting you?** I find IBM Z manages critical workloads with excellent reliability and performance, ensuring IO-intensive core banking applications run with minimal downtime and fast response times. ### 3. System z Administrator with 17 years of experience in enterprise IT infrastructure **Rating:** 4.5/5.0 stars **Reviewed by:** GAUTAM G. | Lead Quality Automation Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** September 25, 2025 **What do you like best about IBM Z?** IBM Z is unmatched in its reliability, scalability, and security. As an administrator, I’ve seen how its processing power effortlessly supports high-volume, mission-critical workloads while ensuring near-zero downtime. Its resilience gives both IT teams and business stakeholders strong confidence in operations. **What do you dislike about IBM Z?** The main challenge is cost. Licensing, hardware, and skilled resource requirements make IBM Z a significant investment, which can be difficult for organizations exploring more cost-effective platforms. **What problems is IBM Z solving and how is that benefiting you?** IBM Z ensures stable performance for massive transactional volumes, maintaining data integrity and system resilience. It has enabled the organizations I’ve worked with to handle financial transactions, batch processing, and mission-critical applications without interruptions — ensuring continuity, compliance, and customer satisfaction. ### 4. IBM Master Machine Z - Unmatched Performance and Reliability with Zero Downtime **Rating:** 5.0/5.0 stars **Reviewed by:** Sandeep J. | Mainframe Db2 Consultant (Contractor), Small-Business (50 or fewer emp.) **Reviewed Date:** November 12, 2025 **What do you like best about IBM Z?** Performance, Realiability, security, scalability, energy efficiency and ability to provide fault tolerant platform with zero down time. **What do you dislike about IBM Z?** It is too expensive and people cant practice this through open platform. Learning Z is also expensive. **What problems is IBM Z solving and how is that benefiting you?** IBM Z mainframes solve problems related to high-volume transaction processing, enterprise-scale security and compliance, and continuous availability for critical, core business applications. Critical operations across our banking clients (managing printing and communications records),run efficiently on IBM Z, ensuring that the services you rely on are fast, dependable, and accurate. ### 5. Very Satisfied **Rating:** 5.0/5.0 stars **Reviewed by:** Hilton S. | Analista de Suporte, Enterprise (> 1000 emp.) **Reviewed Date:** September 12, 2025 **What do you like best about IBM Z?** The stability and security are unparalleled. The ability to process a gigantic volume of transactions consistently and with extremely high performance is the main differentiator. The robustness of the hardware and the z/OS operating system gives us the peace of mind that our most critical applications will always be available. **What do you dislike about IBM Z?** The learning curve for new professionals is quite steep, and there is a certain difficulty in finding the answers in the manuals. Additionally, the integration with more modern DevOps and cloud-native tools, although improved, can still be more complex when compared to other platforms. The cost of software licensing is also a point of concern. **What problems is IBM Z solving and how is that benefiting you?** The IBM Z addresses some of the most critical challenges our organization faces, especially concerning our core business. The main problems it solves are: Mass Transaction Processing: Sensitive Data Security High Availability (Zero Downtime) ### 6. Exceptionally Reliable Platform with No Drawbacks **Rating:** 5.0/5.0 stars **Reviewed by:** Jose Luiz P. | IT Specialist, Enterprise (> 1000 emp.) **Reviewed Date:** November 24, 2025 **What do you like best about IBM Z?** The platform proves to be very reliable and secure. **What do you dislike about IBM Z?** As a user in an environment with millions of transactions, I see no disadvantages in using IBM-Z. **What problems is IBM Z solving and how is that benefiting you?** To meet a high demand for inquiries and trasactions. ### 7. Old but Gold **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Enterprise (> 1000 emp.) **Reviewed Date:** April 23, 2025 **What do you like best about IBM Z?** I'm working on the server side as an administrator, responsible for maintaining and taking care of IBM products to keep client tools supportable. Output Job is what I like the most. As an admin, you want to know what happens to your work and review it. Learning it is the most important thing for an early tenure. **What do you dislike about IBM Z?** I'm practically new to this field, and none of these skills were taught in college. Yes, there is a lack of human resources, but once you put your mind to learning, you will be able to catch up and understand your working environment. **What problems is IBM Z solving and how is that benefiting you?** As an administrator, these features make your job easier by providing reliable, secure, and scalable systems that require less manual intervention and troubleshooting. The extensive documentation and community support, including Redbooks, forums and the ABCs of z/OS System Programmer, further aid in developing your technical skills and troubleshooting capabilities ### 8. Experience with IBM on z Platform **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Financial Services | Enterprise (> 1000 emp.) **Reviewed Date:** July 16, 2025 **What do you like best about IBM Z?** It's a reliable platform with a immense power for data proccess, a huge security environment, and so on. **What do you dislike about IBM Z?** The worst part of z platform is it's costs (hardware and software). **What problems is IBM Z solving and how is that benefiting you?** We don't have any kind of problem right now, but the z System sustains the core business here. ### 9. Reliable environment prepared for large volumes. **Rating:** 5.0/5.0 stars **Reviewed by:** Marco M. | Coordenador de Infraestrutura Mainframe, Enterprise (> 1000 emp.) **Reviewed Date:** December 12, 2024 **What do you like best about IBM Z?** Reliability is one of the characteristics that most catches my attention. **What do you dislike about IBM Z?** Still needs to improve the integration with the low platform products. **What problems is IBM Z solving and how is that benefiting you?** Corporate processing. ### 10. Mainframe specialist for over 20 years, dedicating a large part of my career to DB2 Database. **Rating:** 5.0/5.0 stars **Reviewed by:** Leticia F. | Especialista em Arquitetura de Dados, Mid-Market (51-1000 emp.) **Reviewed Date:** February 20, 2024 **What do you like best about IBM Z?** It is a platform with greater transactional processing power, very secure and resilient, which generates greater satisfaction for users and customers. **What do you dislike about IBM Z?** I have no dislikes, just a few professionals in the market, due to the difficulty of training. **What problems is IBM Z solving and how is that benefiting you?** Ensuring the large transactional volume of the company I work for, without any loss of transactions, maintaining workload stability. ### 11. Mainframes are MAD – Modern, Adaptable, Diverse **Rating:** 4.0/5.0 stars **Reviewed by:** Sandeep K. | Enterprise (> 1000 emp.) **Reviewed Date:** August 17, 2023 **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 **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 **What problems is IBM Z solving and how is that benefiting you?** I work for banking, insurance clients and everyone around the world knows how banking applications are great on Mainframe. Many tried to move out but never saw the same performance as on Mainframe. ### 12. IBM Z **Rating:** 4.5/5.0 stars **Reviewed by:** Ruud O. | Mid-Market (51-1000 emp.) **Reviewed Date:** November 30, 2023 **What do you like best about IBM Z?** Its stability. And a good Customer Support. **What do you dislike about IBM Z?** Its high costs. That is the reason we will move away from IBM Z. **What problems is IBM Z solving and how is that benefiting you?** We are running out Payroll application on IBMZ. ### 13. IBM Z still standing **Rating:** 4.5/5.0 stars **Reviewed by:** Pramod P. | ASSITANT CONSULTANT, Enterprise (> 1000 emp.) **Reviewed Date:** November 01, 2023 **What do you like best about IBM Z?** IBM Z mainframe is the legacy application which still runs million trasactions daily. it is still much faster then current new technologies. we are currently making mainframe applications to be accessed from other cloud technologies using ZOS connectivity. **What do you dislike about IBM Z?** Onething worried is day to day many good technical resources are decreasing from IBM Z mainframes. **What problems is IBM Z solving and how is that benefiting you?** IBM Z introducing many tools to connect mainframes to cloud. one thing we can say is if mainframes need to modernized only IBM can do it. ### 14. most reliable, stable with excellent customer support **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Financial Services | Enterprise (> 1000 emp.) **Reviewed Date:** October 26, 2023 **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 **What do you dislike about IBM Z?** I never find anyobstacles 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, **What problems is IBM Z solving and how is that benefiting you?** we use the Z to connect to our backend Mainframes and complete some of the critical tasks which was difficult with other vendor like microsoft. So many batch jobs easily manage and resolved. ### 15. IBM z15 with z/OS 2.4 **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) **Reviewed Date:** November 18, 2023 **What do you like best about IBM Z?** IBM z give us high availability , good security and performance .also we have a good support **What do you dislike about IBM Z?** The only problem with IBM z is the high price **What problems is IBM Z solving and how is that benefiting you?** We are using IBM z 15 with z/os 2.4 under sysplex env. also we have a full GDPS for DR site.it gives us high and continuous availability. ### 16. IBM has been committed to the success of our company!! **Rating:** 4.5/5.0 stars **Reviewed by:** vanderlei ferreira D. | Enterprise (> 1000 emp.) **Reviewed Date:** November 17, 2023 **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. **What do you dislike about IBM Z?** Price and complexity in managing product upgrades. **What problems is IBM Z solving and how is that benefiting you?** Storage space and backup storage! ### 17. High technology and reliability **Rating:** 4.5/5.0 stars **Reviewed by:** edson t. | Enterprise (> 1000 emp.) **Reviewed Date:** November 16, 2023 **What do you like best about IBM Z?** Availability, compliance, security and high tech **What do you dislike about IBM Z?** Costs and business agreements may impact on operation **What problems is IBM Z solving and how is that benefiting you?** Technology integration with zOS mainframe servers providing high performance and reducing MSU / MIPS consumption ### 18. The IBM Z great platform **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Banking | Mid-Market (51-1000 emp.) **Reviewed Date:** October 26, 2023 **What do you like best about IBM Z?** It is is a stable, reliable, solid, secure and resilient platform **What do you dislike about IBM Z?** Linux on Z/LinuxOne is not so appreciated, compared to Linux on other platforms **What problems is IBM Z solving and how is that benefiting you?** Manages milions of banking online and batch operations everyday ### 19. Ease and clarity in searching for information about the Z environment on IBM sites **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Banking | Enterprise (> 1000 emp.) **Reviewed Date:** October 16, 2023 **What do you like best about IBM Z?** Innovations in Security and constant technical updates of the subsystems **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. **What problems is IBM Z solving and how is that benefiting you?** processing of all the company's transactions ### 20. Specialist in performance and capacity planning **Rating:** 5.0/5.0 stars **Reviewed by:** Celso Y. | Enterprise (> 1000 emp.) **Reviewed Date:** September 05, 2023 **What do you like best about IBM Z?** The plataform offers excellent availability, performance and security. In addition to having a very efficiente support team **What do you dislike about IBM Z?** Despite being constantly evolving, it still seen as outdated by many audiences. **What problems is IBM Z solving and how is that benefiting you?** IBM z helps to process countless critical systems with security, scalability and agility ### 21. Environment of very high capacity and security. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Consumer Services | Enterprise (> 1000 emp.) **Reviewed Date:** August 31, 2023 **What do you like best about IBM Z?** Security, reliability, code maintenance for years, and products with great reliability and specialized support. **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. **What problems is IBM Z solving and how is that benefiting you?** Provision of hardware and software services for clients. ### 22. reliable and secure **Rating:** 4.0/5.0 stars **Reviewed by:** Uday Veer S. | Lead Designer **Reviewed Date:** January 09, 2023 **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 **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. **What problems is IBM Z solving and how is that benefiting you?** we use IBM Z for transactional processing, database management, and data analytics. It has proven to be a reliable and effective platform for these types of applications. One of the biggest benefits of using IBM Z is the improved security it provides. With hardware-assisted encryption and secure key management, we can have confidence that our data is protected against breaches and attacks. ### 23. Best solution for ecology & transactions performances **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Financial Services | Enterprise (> 1000 emp.) **Reviewed Date:** November 30, 2023 **What do you like best about IBM Z?** Reliability, embeded features, carbon footprint **What do you dislike about IBM Z?** Expansive inherent products, missing human ressources. **What problems is IBM Z solving and how is that benefiting you?** working well ### 24. powerful and reliable **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User | Small-Business (50 or fewer emp.) **Reviewed Date:** January 11, 2023 **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 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 **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. **What problems is IBM Z solving and how is that benefiting you?** IBM Z is optimized to handle large amounts of data and support data-intensive workloads such as data warehousing, analytics, and machine learning. It can process data quickly and efficiently and scale to support growing data sets, which has improved the performance of our data-dependent applications and services. ### 25. The best technology **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Banking | Enterprise (> 1000 emp.) **Reviewed Date:** September 15, 2023 **What do you like best about IBM Z?** Security, integrity, reliability and continuity **What do you dislike about IBM Z?** Hardware and software prices and few courses made available to end users. **What problems is IBM Z solving and how is that benefiting you?** Implementations, updates and support in the installation and use of products. ### 26. Lead technical PM **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Enterprise (> 1000 emp.) **Reviewed Date:** September 26, 2023 **What do you like best about IBM Z?** Reliability, Security, Capacity, NW features **What do you dislike about IBM Z?** Cost, high complexity, lack of MF specialists who knows **What problems is IBM Z solving and how is that benefiting you?** Accomodation of workload for dozens of customers ### 27. We consider the mainframe environment to be the most secure platform. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Financial Services | Enterprise (> 1000 emp.) **Reviewed Date:** September 05, 2023 **What do you like best about IBM Z?** We like the mainframe environment because of its stability. **What do you dislike about IBM Z?** Lack of training opportunity. Very restricted job market. **What problems is IBM Z solving and how is that benefiting you?** The mainframe environment is solving the problem of processing and storing business information. ### 28. Scalable IBM z15 tool **Rating:** 5.0/5.0 stars **Reviewed by:** Sarah M. | Assistant Procurement Officer, Mid-Market (51-1000 emp.) **Reviewed Date:** December 07, 2022 **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 at handling sensitive financial data in our organization It's 5ghz processor speed has very helpful in transferring data regarding the transactions that are made within each departmen this has helped us in carrying out business operations seemlesly hence increased productivity. **What do you dislike about IBM Z?** It time consuming to learn how to configure and set it up. It's also quite expensive to acquire. **What problems is IBM Z solving and how is that benefiting you?** It's ability to handle loads of transaction data withing minimal time line helps save time and enhance productivity Thanks to the robust security features within IBM Z that we are guaranteed of safety of our transaction data. ### 29. IBM Z - Powerful, SuperFast & HighlyAvailable **Rating:** 4.5/5.0 stars **Reviewed by:** Abhishek D. | Cloud Implementation Analyst, Enterprise (> 1000 emp.) **Reviewed Date:** July 22, 2022 **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. **What do you dislike about IBM Z?** 1. The GUI could be improved so it could be easier to manage resources. 2. Sometimes its even hard to deploy some common needed softwares such as ftp. 3. There are less coding languages available by default. **What problems is IBM Z solving and how is that benefiting you?** Handles multiple transactions like a charm without creating any load/lag. Due to being Highly available we have never received any complaints from the users regarding speed or downtimes. ### 30. An excellent solution for transaction analysis and many more functions **Rating:** 5.0/5.0 stars **Reviewed by:** Sergi P. | IT Support Specialist **Reviewed Date:** September 12, 2022 **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. **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. **What problems is IBM Z solving and how is that benefiting you?** It is used to manage different transactions and run the servers to process our data; everything is on track. ### 31. High performance and powerful secure scalable tool **Rating:** 5.0/5.0 stars **Reviewed by:** Donovan M. | Full Stack Software **Reviewed Date:** September 19, 2022 **What do you like best about IBM Z?** IBM Z offers massive processing power and good CPU performance boosting capabilities, as well as being easily deployable and providing a shared infrastructure for multiple departments. **What do you dislike about IBM Z?** IBM Z works excellent, but it often has some administration issues and searches bugs. **What problems is IBM Z solving and how is that benefiting you?** It's used to help us with high-speed processing, transaction requirements, and insights from the data, so we see good profits. ### 32. IBM Z scalable tool with excellent reliable features **Rating:** 5.0/5.0 stars **Reviewed by:** Julio M. | Java Developer, Mid-Market (51-1000 emp.) **Reviewed Date:** September 15, 2022 **What do you like best about IBM Z?** I like that IBM Z can handle giant jobs and transactions and is reliable and secure. I like that the user interface is intuitive and excellent. **What do you dislike about IBM Z?** I can't say anything terrible about IBM Z; everything is going well. **What problems is IBM Z solving and how is that benefiting you?** Solving many problems, such as data management and providing a safe and efficient way to do it, is an excellent IBM Z. ### 33. Ibm z **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User | Enterprise (> 1000 emp.) **Reviewed Date:** September 29, 2022 **What do you like best about IBM Z?** a powerful and secure platform for business, so you can create, innovate and build the future of yours. The ease of use and was of installation stand out as the top features **What do you dislike about IBM Z?** Security can be better and need more scalable plug-ins. Needs integration with industry symtandard toolkits and also will need to help with multi eco system support **What problems is IBM Z solving and how is that benefiting you?** Helps in Accelerating transformation in your IBM Z environment with expert resources, guidance, and capabilities ### 34. Z system review **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User **Reviewed Date:** September 16, 2022 **What do you like best about IBM Z?** Z systems will support most of the transcation and analytical workloads, Z systems will support hybrid multi cloud enevironment. Support multiple OS **What do you dislike about IBM Z?** The GUI maintains and console needs to be improve, its difficult learn **What problems is IBM Z solving and how is that benefiting you?** Multiple transactions workloads, data manahement ### 35. Security Rich, 365 x 24 x 7 days High Availability, High performance **Rating:** 4.0/5.0 stars **Reviewed by:** Srinivasan S. | Presales Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** July 26, 2022 **What do you like best about IBM Z?** Powerful 5GHz performance and scalability **What do you dislike about IBM Z?** Expensive and very tough to push IBM Z Products **What problems is IBM Z solving and how is that benefiting you?** Data processing is amazing and its benefits to achieve task in time ### 36. Hybrid Cloud Platform with Accelerated Computing **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User | Enterprise (> 1000 emp.) **Reviewed Date:** July 21, 2022 **What do you like best about IBM Z?** Provides a large amount of storage and high availability to access these data from any location **What do you dislike about IBM Z?** Better documentation can provide a more intuitive process for setting up and moving to the technology **What problems is IBM Z solving and how is that benefiting you?** Provides high reliability and availability to the data store with accelerated access. No need to worry about data loss as data replication and backup is done behind the scene. ### 37. Hassle Free Solution **Rating:** 5.0/5.0 stars **Reviewed by:** Vivek V. | DevOps Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** July 21, 2022 **What do you like best about IBM Z?** Server Reliability and Can Store Large amount of Data **What do you dislike about IBM Z?** The user interface should be improved which makes easy to use **What problems is IBM Z solving and how is that benefiting you?** Data Storage ### 38. Fast, Reliable and way more stable **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User **Reviewed Date:** June 28, 2022 **What do you like best about IBM Z?** Processing time and data execution. It was much more easy to install. Integration with other IBM devices were quick. **What do you dislike about IBM Z?** Not any dislikes. Being in secured machine, the features is not at all deserv any dislikes **What problems is IBM Z solving and how is that benefiting you?** Cloud compatible Z system is master and helped financial industry to stay on cloud with very secure infrastructure in backend ### 39. Available and reliable solution from IBM **Rating:** 5.0/5.0 stars **Reviewed by:** Indrajeev k. | Lead System Designer II, Enterprise (> 1000 emp.) **Reviewed Date:** March 20, 2022 **What do you like best about IBM Z?** The servers are highly available and reliable. It becomes important for a critical domain like healthcare where every moment matter. **What do you dislike about IBM Z?** The migration to cloud should be more easier and shouldn't disrupt the continuity **What problems is IBM Z solving and how is that benefiting you?** I am a product manager building products for real time usage by clinicians and the data needs to be highly available. IBM has been able to solve that problem ### 40. Interfaces remain constant and dependable **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User **Reviewed Date:** July 22, 2022 **What do you like best about IBM Z?** Plenty of storage and fast CPU speeds that work well with the amount of stoarge we have. **What do you dislike about IBM Z?** The intergration period can be improved. **What problems is IBM Z solving and how is that benefiting you?** Help with the amount of storage we have. ### 41. Solid, Reliable and Long Life Solution. **Rating:** 5.0/5.0 stars **Reviewed by:** Ali K A. | Head Of IT Department, Non-Profit Organization Management, Small-Business (50 or fewer emp.) **Reviewed Date:** March 23, 2022 **What do you like best about IBM Z?** As an IT expert, IBM Z catches my interests in cloud development which needs a high level of availability, security and performance. which IBM Z Heals the boil with "ZERO DOWNTIME" **What do you dislike about IBM Z?** It's color..!!, Just Joking nothing to dislike..!!! **What problems is IBM Z solving and how is that benefiting you?** Install one time and feel comfortable with minimal Technical maintenance, which Saves time and effort ### 42. Mainframe Z Series - Non stop **Rating:** 5.0/5.0 stars **Reviewed by:** Vigneshwaran K. | Software Designer, Enterprise (> 1000 emp.) **Reviewed Date:** December 23, 2021 **What do you like best about IBM Z?** Efficiency and performance. IBM Z series mainframe system is like a veteran in the industry and serves a lot of benefits in various sectors. It has compatibility with a lot of new technology as well. **What do you dislike about IBM Z?** There is nothing like I dislike in the IBM Z series. Maybe bettering the GUI-based access would be a more flexible and visual treat. Currently, black and white screens are also good. **What problems is IBM Z solving and how is that benefiting you?** Created a lot of programs that process millions of customer details based on the client requirement ### 43. IBM Z **Rating:** 5.0/5.0 stars **Reviewed by:** Brijesh Singh P. | Senior Software Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** March 15, 2022 **What do you like best about IBM Z?** Secure, Resilient enterprise plates for critical apps and data on hybrid multicloud High availability with zero down time **What do you dislike about IBM Z?** Initial integration difficulties. Documentation can be drafted for migration with example. **What problems is IBM Z solving and how is that benefiting you?** Batch processing and transactional processing ### 44. ibm z **Rating:** 2.0/5.0 stars **Reviewed by:** Lincoln C. | Sales Manager **Reviewed Date:** March 15, 2022 **What do you like best about IBM Z?** fairy liked and I love selling IBM Z series **What do you dislike about IBM Z?** fairly dislike and in occasion need sales services to overcome my issue **Recommendations to others considering IBM Z:** yes **What problems is IBM Z solving and how is that benefiting you?** recurring costs ### 45. Stable business computing environment **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User **Reviewed Date:** March 12, 2022 **What do you like best about IBM Z?** The uptime and the ability to handle transactions at scale. Also very protected against vulnerability and security threats! Very few platforms can compete with z in the areas of performance and security **What do you dislike about IBM Z?** The outdated cobol language and jcl syntax. Has a learning curve but works really well **What problems is IBM Z solving and how is that benefiting you?** Handling concurrent business transactions at scale without worrying about downtime or crashes. ### 46. Old but still Gold **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User | Enterprise (> 1000 emp.) **Reviewed Date:** November 28, 2021 **What do you like best about IBM Z?** The most unique feature of Z OS is the Time Sharing Option. It lets us work simultaneously on the same system with other teammates which easily benefits the division of work. **What do you dislike about IBM Z?** Sometimes the CPU issues make the overall batch slow as the the jobs are interdependent on each other. So the batch sequence gets affected leading to delay in the whole batch. **What problems is IBM Z solving and how is that benefiting you?** I'm in the Wealth Management Sector. The everyday recordkeeping of the 401K plans are being done on the Mainframe System. It has been used in our system since 1990s and still going strong. ### 47. Better for large-scale performance and processing **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User | Enterprise (> 1000 emp.) **Reviewed Date:** May 03, 2021 **What do you like best about IBM Z?** Data handling is being encrypted by dedicated encryption processors throughout the ecosystem and a highly secured hardware security module. **What do you dislike about IBM Z?** The cost is expensive, including both software and hardware. Personnel with operational and technical skills should be acquired. **What problems is IBM Z solving and how is that benefiting you?** Process data without loss and handle large data over the environment, then share it with our sub-applications for Data Warehouse (DWH). ### 48. The best system there is **Rating:** 4.5/5.0 stars **Reviewed by:** Gadi B. | z/OS system Programmer, Enterprise (> 1000 emp.) **Reviewed Date:** August 28, 2020 **What do you like best about IBM Z?** It's reliable, secure and can do anything, almost **What do you dislike about IBM Z?** Has a learning curve Has a rep as expensive **Recommendations to others considering IBM Z:** Make sure you have access to the skills needed to implement everything **What problems is IBM Z solving and how is that benefiting you?** Runs applications for our clients ### 49. IBM z series **Rating:** 3.5/5.0 stars **Reviewed by:** Rajesh G. | Associate Project Manager **Reviewed Date:** August 27, 2020 **What do you like best about IBM Z?** In this new world of AI, data science many banking, insurance solution are running on IBM Z **What do you dislike about IBM Z?** New generation are not much aware of IBM z or mainframe system. They don't like to learn IBM z **What problems is IBM Z solving and how is that benefiting you?** Batch solutions are very powerful ### 50. Good for existing customers **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User **Reviewed Date:** October 31, 2021 **What do you like best about IBM Z?** Reliable, fast, stable, and easy to scale **What do you dislike about IBM Z?** the learning curve is shallow and it can be expensive. Hard to find experts. The cost of acquisition can be high. **What problems is IBM Z solving and how is that benefiting you?** Reliable backend systems (CICS), high availability database (DB2 ) in sysplex configuration ## IBM Z Discussions - [What is IBM Z used for?](https://www.g2.com/discussions/what-is-ibm-z-used-for) - [What is IBM z architecture?](https://www.g2.com/discussions/what-is-ibm-z-architecture) - [What is IBM z mainframe?](https://www.g2.com/discussions/what-is-ibm-z-mainframe) - [How do you plan to support trainers for non-IBM tools on Z systems such as Easytreive, CA-7, so on](https://www.g2.com/discussions/30654-how-do-you-plan-to-support-trainers-for-non-ibm-tools-on-z-systems-such-as-easytreive-ca-7-so-on) - 1 upvote - [View IBM Z pricing details and edition comparison](https://www.g2.com/products/ibm-z/reviews?section=pricing&secure%5Bexpires_at%5D=2026-05-31+10%3A08%3A32+-0500&secure%5Bsession_id%5D=9d110bf7-be2a-40e7-96e0-fc1d9b93a0c4&secure%5Btoken%5D=66e11fc94038f736dd3a3b1f1d2a9ea1fcbcd1797212480bcea38a402ba17209&format=llm_user) ## IBM Z Integrations - [(E)JES](https://www.g2.com/products/e-jes/reviews) - [IBM Db2](https://www.g2.com/products/ibm-db2/reviews) - [IBM Security zSecure](https://www.g2.com/products/ibm-security-zsecure/reviews) ## Top IBM Z Alternatives - [QNAP NAS](https://www.g2.com/products/qnap-nas/reviews) - 3.9/5.0 (18 reviews) - [PowerEdge AI Servers](https://www.g2.com/products/poweredge-ai-servers/reviews) - 5.0/5.0 (2 reviews) - [HPE Servers](https://www.g2.com/products/hpe-servers/reviews) - 4.5/5.0 (20 reviews)