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Dell PowerEdge MX- Series vs Lenovo Flex System comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 8, 2026

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Dell PowerEdge MX- Series
Ranking in Blade Servers
1st
Average Rating
8.6
Reviews Sentiment
6.8
Number of Reviews
32
Ranking in other categories
No ranking in other categories
Lenovo Flex System
Ranking in Blade Servers
8th
Average Rating
8.4
Reviews Sentiment
7.7
Number of Reviews
10
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of March 2026, in the Blade Servers category, the mindshare of Dell PowerEdge MX- Series is 11.3%, down from 18.9% compared to the previous year. The mindshare of Lenovo Flex System is 4.6%, up from 2.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Blade Servers Mindshare Distribution
ProductMindshare (%)
Dell PowerEdge MX- Series11.3%
Lenovo Flex System4.6%
Other84.1%
Blade Servers
 

Featured Reviews

Md. Shohel Rawshan Sarker - PeerSpot reviewer
Assistant Vice President at a financial services firm with 51-200 employees
Blade platform has supported clustered production workloads and delivers strong performance
In the industry, there are currently blade solutions from Dell, HP, Lenovo, and Cisco. Compared to those, all blade solutions are similar in design. In the chassis, there is a back panel where each blade has a card module that plugs into the blade chassis. The chassis contains a network switch as well as a SAN switch. The SAN switch and network switch combined to the blade module provide plug-and-play functionality. The throughput is also good. Dell PowerEdge MX- Series currently has two types of processors with speeds of 2.1 and 2.3 GHz, possibly 2.2 GHz as well. All applications in our environment run on these processors. However, I think the processor speed should be higher because the coming applications are all AI-based and require more powerful processing. As of now, there is no issue with the current processor clock speed for our running applications. They are all Gold processors. In our environment, we have designed a setup with Dell PowerEdge MX- Series chassis with two network switches in the back panel. The two network switches connect to the main upstream network switch with link aggregation protocol (LACP) bonding. Currently, 160 gig, 40, 40, 80, and 80 gig bandwidth is running. The throughput is 80 gig total. Each blade server has a 20 gig network connection and will get a maximum of 20 gig network bandwidth, while the total chassis will deliver a maximum of 80 gig bandwidth. However, it can go up to 160 gig because the upstream network switch supports QSFP+ modules that are 40 gig each, with two 40 gig connections totaling 80 gig. Dell PowerEdge MX- Series also includes a SAN switch. The SAN switch is in the back panel of the chassis and connects to our main central SAN switch, which is connected to central storage. It is easy to onboard our central storage to the blade server as required, and there is no issue with that. The benefits include the fact that Dell PowerEdge MX- Series blade servers have sixteen blade servers in a single chassis, which consumes minimal space in the rack and data center, as well as requiring minimal cabling. For cabling, there are only four network cables connected to the main upstream switch. When connected to the SAN switch, there are only four additional cables, totaling eight cables to the SAN switch. This results in no messy cables in the data center. Additionally, the performance is good enough based on our current applications running on the servers.
FA
Senior System Administrator at Khushhali Microfinance Bank
Used to run the compute load on servers, but firmware and driver upgrades are a bit difficult
We use the solution for multiple purposes, such as in the virtualization cluster and the standalone applications We use the solution as a compute model to run the compute load on servers. The solution's firmware and driver upgrades are a bit difficult. I have been using Lenovo Flex System for…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The iDRAC feature is most useful for server management in Dell, comparable to HP iLO."
"The installation is easy."
"The density achieved by the M630 while maintaining good performance allowed us to cut our hardware footprint by more than half."
"Regarding technical support from Dell, I find them to be one of the best support providers in the industry right now."
"The Integrated Lights-Out (iLO) support is notably better than that of other servers."
"Overall, Dell PowerEdge MX- Series are solid products."
"The solution integrated well."
"The solution offers remarkable flexibility, reliability, and extensive software support."
"The initial setup is straightforward."
"The product is very user-friendly and has many resources at the enterprise level."
"Flex System's best features are its performance and stability."
"We use the solution as a compute model to run the compute load on servers."
"The stability and speed are always good. The processor is good and it's still working with our loads."
"The most valuable feature of the Lenovo Flex System is the storage system."
"One of the most valuable features of this solution is its ease of use."
"The Lenovo Flex System is very stable."
 

Cons

"Dell support should be faster."
"I wanted to highlight that sometimes the patches from the firmware are not compatible with the hardware, which can crash the operating system and mess up the RAID configuration."
"The set up is complex"
"One area for improvement is the connectivity, specifically the backplate and switch connections."
"The last year, we experienced problems with support, as Dell decreased staff in Latin America, impacting support quality."
"Compared to other solutions, this blade server requires more stability."
"The costing could be improved as it is somewhat expensive."
"Dell PowerEdge MX-Series is not a good solution for AI due to the lack of support for the expansion of GPUs; there is a solution, but it is not a useful one."
"The solution could improve by providing more integration with other platforms."
"The solution's firmware and driver upgrades are a bit difficult."
"Continuing the production of this product is necessary. It is currently out of support, and we are seeking support from other sources besides Lenovo."
"I had some difficulties with the initial setup."
"The product could improve its integration capabilities."
"The user interface needs improvement because they have an application from which we have to manage the whole system and all of the infrastructure."
"It does not have the same module flexibility that was present in IBM Blade. On the Blade System, I was able to choose between the Cisco module, or BMC module. Since the switch to Lenovo, I have not had the same choice of modules, only the BMC modules."
"Flex System's integration with the XClarity Management System could be improved."
 

Pricing and Cost Advice

"Dell PowerEdge M price is comparable to other solutions but cheaper than IBM. However, the IBM solution is a higher grade solution whereas Dell PowerEdge M is a medium-level solution."
"If we would not have gone with the vendor we might have been charged unnecessarily for packages we did not need."
"The cost varies significantly depending on the server's configuration and can range from $10,000 to $60,000 for the same server line family."
"I know we get three years basic, and the on-site licensing model for business seems fine. I wouldn't pay for a support plus or anything."
"The pricing of PowerEdge Next is higher than it was before."
"The product is neither expensive nor cheap. It is manageable for medium enterprises as well."
"The solution's pricing is slightly higher."
"The product is budget-friendly. The initial cost for each server was around 10,000 euros. It's a standard price, not too high or too low."
"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."
"We are just paying the operational cost, which is not much."
"There is a one-off payment to buy the equipment and the support is purchased annually."
"We have the whole maintenance for the 3 years, starting the deployment. We also have the VMware license for 3 years and I think we have another license to buy. There are no additional costs besides licensing."
"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."
"The price is interesting. I am able to quote a client based on their needs and offer them either Lenovo or Dell."
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Top Industries

By visitors reading reviews
Manufacturing Company
11%
Financial Services Firm
11%
Computer Software Company
10%
Retailer
6%
Manufacturing Company
13%
Financial Services Firm
11%
University
7%
Marketing Services Firm
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business14
Midsize Enterprise5
Large Enterprise12
By reviewers
Company SizeCount
Small Business3
Large Enterprise7
 

Questions from the Community

What do you like most about Dell PowerEdge M?
The best feature is the idrac tools, which allows me to manage/config the platform from the Linux level.
What is your experience regarding pricing and costs for Dell PowerEdge M?
It is difficult to determine the pricing because I do not manage the pricing information. The price may be getting higher or is similar to other vendors. Currently, the server price is significantl...
What needs improvement with Dell PowerEdge M?
Firmware upgrades are acceptable, but Dell PowerEdge MX- Series needs to be more stable than other solutions.
What is your experience regarding pricing and costs for Lenovo Flex System?
Compared to its quality, the pricing is very reasonable and represents good value.
What needs improvement with Lenovo Flex System?
Continuing the production of this product is necessary. It is currently out of support, and we are seeking support from other sources besides Lenovo.
What is your primary use case for Lenovo Flex System?
We are using Lenovo Flex System on the server for our VMware environment, which includes our VMs and all our servers, Linux and Windows. It manages the daily operation efficiently.
 

Also Known As

No data available
Flex System Blade Servers, Flex System SN Series
 

Overview

 

Sample Customers

Newport City Homes, Neuroblastoma and Medulloblastoma Translational Research Consortium (NMTRC), Georgian College, AgreeYa Solutions, IIHT Cloud Solutions, Arizona State University, AudienceScience, University of the Incarnate Word (UIW), The Translational Genomics Research Institute (TGen), Holy Cross School
Information Not Available
Find out what your peers are saying about Dell PowerEdge MX- Series vs. Lenovo Flex System and other solutions. Updated: March 2026.
884,933 professionals have used our research since 2012.