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Lenovo Flex System Reviews

Vendor: Lenovo
4.2 out of 5
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What is Lenovo Flex System?

Flex System is Lenovo’s proven, 2nd generation blade, that efficiently runs your infrastructure applications with up to 80% better density than standard rack server deployments.

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Lenovo Flex System is the #10 ranked solution in top Blade Servers. PeerSpot users give Lenovo Flex System an average rating of 8.4 out of 10. Lenovo Flex System is most commonly compared to HPE Synergy: Lenovo Flex System vs HPE Synergy.
Buyer's Guide
Blade Servers
August 2025
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Lenovo Flex System mindshare

As of August 2025, the mindshare of Lenovo Flex System in the Blade Servers category stands at 3.1%, up from 2.9% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Blade Servers Market Share Distribution
ProductMarket Share (%)
Lenovo Flex System3.1%
HPE Synergy19.8%
Dell PowerEdge M16.9%
Other60.2%
Blade Servers
 
 
Key learnings from peers

Valuable Features

Lenovo Flex System is praised for ease of use, stability, and performance. Users highlight its reliable functionality and minimal support needs. It provides an efficient processor and robust storage system. The user-friendly design and extensive enterprise resources, including a 14 blade server, allow significant resource consumption before upscaling. Its network and bandwidth capabilities are commendable. Users report straightforward setup and competitive pricing without any operational issues over years of usage.
  • "The functionality is reliable and requires minimal support."
  • "We use the solution as a compute model to run the compute load on servers."
  • "It comes at a good price. We didn't face any problems with this product."

Room for Improvement

Lenovo Flex System's user interface and management software require enhancement, as users find it difficult to manage various components efficiently. Module flexibility is limited compared to IBM Blade, with fewer options available. Improved integration with other platforms, including XClarity Management System, is needed. Updates and customer support pose challenges, with issues like forced restarts and complicated setups. Pricing and native cloud applications need consideration, alongside addressing SAN switch changes and firmware difficulties.
  • "Continuing the production of this product is necessary. It is currently out of support, and we are seeking support from other sources besides Lenovo."
  • "The solution's firmware and driver upgrades are a bit difficult."
  • "I had some difficulties with the initial setup."

Pricing

Enterprise users found Lenovo Flex System offers competitive pricing and reasonable operational costs, with a one-time equipment purchase and annual support costs. Licensing includes a three-year VMware license, with potential additional licenses. Users appreciate the 14 blade server's capacity for growth, delaying the need for a new chassis. Although some desire more flexible pricing for extra features, the system is generally viewed as offering good value for its quality.
  • "We are just paying the operational cost, which is not much."
  • "The 14 blade server allows significant room for upscaling before having to invest in another chassis. You would have to purchase another chassis much sooner in the case of an eight or nine blade server."
  • "The is an annual license cost to use the Lenovo Flex System. If the price was less expensive and flexible overall and for additional features, our customers would be happier."

Popular Use Cases

Lenovo Flex System is utilized for creating virtual machines on VMware for frontend and backend applications, including Linux and Windows. It is primarily used for private cloud services, virtualization, and storage of operating systems with VMware vCenter. Various entities deploy it for internal platforms, databases, application servers, and hybrid cloud solutions, enabling virtualization, automation, and efficient management of servers and daily operations. A small bank uses it similarly for storage needs.

Service and Support

Customer service and support of Lenovo Flex System are praised for quick and reliable responses. Technical support is generally rated between fair and very good, with some users noting it could be improved. Many users appreciate the global support. In critical situations, they find support helpful in preventing production delays. Users rate technical support quality highly, often giving scores of seven to eight and a half out of ten. Some have not directly interacted with support, offering no assessment.

Deployment

Users found Lenovo Flex System's initial setup mostly straightforward and completed it in a short time, often within three days. Some experienced challenges and required support from Lenovo. XClarity integration simplified management and upgrades. Installation complexity often stemmed from network rather than hardware issues. Virtual assistance from Lenovo proved helpful for configuration challenges. While some did not find it easy, most described the process as simple and uncomplicated, finishing setup within a couple of days.

Scalability

Lenovo Flex System offers substantial scalability, accommodating significant growth in resources and node additions. Companies have successfully expanded their storage and memory, managing thousands of virtual machines efficiently. Flex System supports multiple user roles, from top management to team leaders, across distributed locations. Its framework allows up to 14 nodes per chassis, and while initially out of support, it is suitable for both medium and large enterprises due to its extensive scalability options.

Stability

Lenovo Flex System is praised for its stability. Users mention past hardware issues were resolved with power module adjustments, resulting in no downtime for months. It is noted for high performance, absence of bugs or glitches, and reliability. A stable system running for six to seven years shows no stability issues. Occasional issues arise during automatic freeware upgrades affecting workflow. The stability rating is cited as an eight out of ten.
These insights are based on the in-depth reviews provided by peers to help you make a better buying decision.
Download our Blade Servers Buyer's Guide for additional reliable information.

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Learn more about Lenovo Flex System

Lenovo Flex System was previously known as Flex System Blade Servers, Flex System SN Series.

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Lenovo Flex System Reviews Summary
Author infoRatingReview Summary
Senior System Administrator at Khushhali Microfinance Bank3.5I use the Lenovo Flex System for virtualization and standalone applications. It's valuable for running compute loads on servers, though upgrading firmware and drivers can be challenging. Compared to Dell, both systems are stable with good support.
Head manager at a real estate/law firm with 1,001-5,000 employees4.5We use the Lenovo Flex System for our VMware environment, finding its functionality reliable with minimal support needed over four years. The pricing is competitive, but lack of current support necessitates exploring new servers and potential cloud migration.
Assistant Manager Systems - IT Infrastructure at a transportation company with 10,001+ employees3.5No summary available
VMware Software Engineer at a insurance company with 10,001+ employees4.0No summary available
Head manager at a real estate/law firm with 1,001-5,000 employees4.0No summary available
Data Solution Architect at Econet Wireless Zimbabwe4.0No summary available
CEO at Top-IT Solutions Ltd4.5No summary available
CEO at DUKSCO SARL4.5No summary available