IBM FlashSystem vs Lenovo ThinkSystem DM Series comparison

IBM FlashSystem vs. Lenovo ThinkSystem DM Series

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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

Pure FlashArray X NVMe

Mindshare comparison

As of July 2025, in the All-Flash Storage category, the mindshare of Pure FlashArray X NVMe is 0.8%, up from 0.8% compared to the previous year. The mindshare of IBM FlashSystem is 6.5%, down from 6.8% compared to the previous year. The mindshare of Lenovo ThinkSystem DM Series is 2.1%, down from 2.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.

All-Flash Storage

Featured Reviews

Eugene Hemphill

Sales Manager at Multicomputos PR

Helps to save money and resources with the data compression feature

One point I'd like to improve is that the tool should start selling small boxes again. It discontinued some products and is focusing on bigger, more capable boxes, neglecting the SMB market. Even though it's not a big market, it shouldn't have removed them. One way to improve the product is to add an operational assistant that doesn't depend on VMware. It could also establish more alliances with other operational systems.

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OmarIsmail1

Infrastructure Technical Specialist II at Clicks Group

Offers high performance and dependable support for fast storage needs

The most valuable feature of IBM FlashSystem ( /products/ibm-flashsystem-reviews ) is its robust back code. When integrated properly into the environment and configured according to the guidelines, it provides a very solid infrastructure that does the job on demand. Additionally, IBM FlashSystem offers competitive pricing and reliable performance. The hardware is dependable, ensuring that it functions effectively when the setup is done correctly.

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Mark Richmond

Chief Technology Officer at Next Level Communications

Reliable and fast servers with good support

We use on-premise servers with Lenovo ThinkSystem. We set up Hyper-V and load multiple types of servers including a domain controller, a SQL Server, and application servers The solution provides fast servers that are reasonably priced. We set up RAID ten to ensure drive redundancy, leading to…

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Quotes from Members

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

Pros

"It's incredibly easy to use and greatly simplified our ability to both deploy and manage our storage subsystems."

"The initial setup was extremely simple and straightforward."

"Pure FlashArray X NVMe helps to improve our processing speed. It is user-friendly and easy to use."

"It offers competitive performance, and the Evergreen storage model of Pure fits well with my organization."

"The solution is very straightforward to set up."

"The most valuable feature of this solution is its ease of use."

"Pure FlashArray X NVMe will quickly overcome all the hurdles you face, including network and latency issues."

"The latency is good."

More Pure FlashArray X NVMe pros

"The most valuable feature is reliability."

"Flash disk with Easy Tier option"

"IBM FlashSystem is a powerful effective storage solution. Additionally, it is user-friendly, anyone can use it."

"It is simple to make an update."

"Data deduplication is one of the most valuable features of this solution."

"The feature I find most valuable, is the deduplication, because the nature of the data that we are using in our current environment, has a lot of replicated data."

"The performance of IBM FlashSystem is very good. The new technology and high throughput have given us more confidence in the solution. The management of the system has improved and we can control the monitoring system alerts and multiple FlashSystems with the Enterprise Cloud Edition, which is free. The migration of recently stored data to a new flash is much easier. You can move your data because you can utilize it externally."

"This solution is convenient, user-friendly, convenient and reliable."

More IBM FlashSystem pros

"Scalable and stable storage array."

"Ability to cluster two storages together with HA availability."

"The price of this solution is good."

"We are satisfied with the stability."

"The FlexClone feature is the solution's most valuable aspect."

"The servers are fast and affordable."

"Last year, I did a DM Series installation with my colleague, and this installation was effortless because we had Lenovo support on the phone, so it was easy to get help if we had any problems."

"The solution offers very good reliable systems and storage for our clients."

More Lenovo ThinkSystem DM Series pros

Cons

"They could add more support for file storage and different types of storage."

"Right now, the box itself is just strictly working as a backend storage system. It would be fantastic if we could access it directly like a NAS device through network access or SIS drives. I think they have an interface, but I am not sure how good it is. If we could address a box directly on the network without having to go through a server, it would be great. The replication schemas could be improved. We are not using replication on the storage level right now. We use a different type of replication. If their replication would be as good as the one that we have, I would probably run the replication schema because it might be faster, but I don't know that for a fact. So, I cannot say that they have good replication. All I can say is that they need to inform us better."

"I'd like to see the product implement active replication for vehicles such as VMware."

"There is room for improvement in catering to midrange storage needs, especially for customers seeking Enterprise-class features."

"I would like to see some AI features that would allow arrays to intelligently identify threats or unusual behavior in the data pattern and give an alert."

"One point I'd like to improve is that the tool should start selling small boxes again. It discontinued some products and is focusing on bigger, more capable boxes, neglecting the SMB market. Even though it's not a big market, it shouldn't have removed them."

"The software layer has to improve."

"We have run into a couple of instances recently where we are running out of space. So we have had to buy some more packs for it and they have deployed fine and it has increased smoothly."

More Pure FlashArray X NVMe cons

"IBM FlashSystem 5300 needs improvement in its deduplication and compression features."

"It has room for improvement in the area of stability."

"AHV is Acropolis Hypervisor – A relatively new Hypervisor, robust and stable as VMware vSphere, has built-in advanced analytics and powerful operations, Self Service Portal and components for DevOps included, managed by a single pane of glass (Prism) via HTML5 and it is free of charge – That is why Nutanix is so advanced and revolutionary."

"The interface of this solution could be improved."

"The support could improve by allowing you to speak to someone when you call rather than them calling you back. However, once we do have contact with one of their technicians they are excellent."

"IBM could do more marketing and improve brand awareness. I had never heard of this product until a colleague told me about it. FlashSystem could add a few features, but it would probably increase the price. For example, Pure Storage offers instant snapshotting and partitioning. That would be nice to have, but I think the cost would go up."

"This product lacks some of the options we wanted. For example, expansion was difficult and it required a lot of patching to be done."

"Additional licenses might be added for the fundamental licenses, such as those for copying and flash copies."

More IBM FlashSystem cons

"I would rate the support of Lenovo ThinkSystem DM Series a four out of five."

"There might be improvements needed in drive throughput as disk speed has been a limitation on Windows servers."

"Many people do not realize that Lenovo has a storage solution, so better marketing from the vendor is needed."

"I would like Lenovo to add a feature like IBM Easy Tier to DM Series. This is a crucial feature for the customers."

"The tool's pricing is high."

"This is an expensive solution."

"The Lenovo ThinkSystem DM Series was very hard to configure. Installation of the product was very hard. These are its areas for improvement."

"The licensing model needs to be revisited. It needs to be simplified."

More Lenovo ThinkSystem DM Series cons

Pricing and Cost Advice

"We pay approximately $50,000 USD per year in licensing fees."

"With Pure Storage, we would like to continue seeing price reductions with flash storage. I don't think we're any different than anybody else when we continue to look to the industry for price reductions of both NVMe and traditional SSD storage. We would like to see these prices continue to decline and erode, even displacing large spinning disks."

"The product is expensive."

"The tool's pricing is cheap; I rate it a six to seven out of ten. Most of our sales are not subscription-based. We sell the hardware, and customers keep using it. They only renew the service part annually. The support can be a bit pricey, but the solution is more cost-effective than anything else out there."

"Given its price, Pure is not the first option."

"Pure FlashArray X NVMe’s pricing is cheaper than other products."

"They can tout the functionality and cutting edge technology that they have, but that's where the price tag comes in. The cost is high, but I think as they grow their business and get more customers that it will probably go down a little bit."

"As far as the licensing costs, everything is included in the license."

More Pure FlashArray X NVMe pricing and cost advice

"Its price is very good."

"There are no licensing fees, it is a one-time purchase of the IBM FlashSystem."

"Regarding licensing make sure you add at least three years software maintenance from IBM at the beginning, because you will not be able to download firmware updates or any fixes/patches without this."

"The price of IBM FlashSystem is reasonable."

"I find the pricing of the solution to be very reasonable."

"The cost of the IBM FlashSystem is lower than the HPE solution."

"The price depends of the technology that our customers need. The price can come at a lower cost but this may increase as storage is added."

"Among IBM, Dell EMC, and Pure Storage, IBM is the cheapest. The price is also based on our location, the size of our entity, and our regular annual purchases from them. We are a very big IBM customer, so we normally get very high discounts. We are not a big customer of Pure Storage. We don't buy that much from Pure Storage per year. Everything is included in the price. There is no extra license for different functions."

More IBM FlashSystem pricing and cost advice

"Lenovo offers two software tiers for the DM Series: basic and premium. If you need more features like the MetroCluster, you must buy the premium version. You can stick to the basic software if you don't need MetroCluster or features like asynchronous replication. That makes DM Series a little cheaper."

"The solution is highly-priced."

"The price of the Lenovo ThinkSystem DM Series is good."

"The solution's pricing is similar to Dell and HPE."

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Top Industries

By visitors reading reviews

Computer Software Company

15%

Financial Services Firm

11%

Manufacturing Company

10%

Government

Computer Software Company

14%

Financial Services Firm

11%

Manufacturing Company

Comms Service Provider

Computer Software Company

22%

Comms Service Provider

Financial Services Firm

Manufacturing Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

Questions from the Community

What do you like most about Pure FlashArray X NVMe?

Pure FlashArray X NVMe helps to improve our processing speed. It is user-friendly and easy to use.

What is your experience regarding pricing and costs for Pure FlashArray X NVMe?

I am an engineer and am not aware of the setup cost.

What needs improvement with Pure FlashArray X NVMe?

Adding some functions to the product would be beneficial. Storage replication should be essential, and the analytics ...

What do you like most about IBM FlashSystem?

It is simple to make an update.

What is your experience regarding pricing and costs for IBM FlashSystem?

Many factors affect purchasing directly from IBM, often involving a multi-step process. Customers, especially in bank...

What needs improvement with IBM FlashSystem?

The deduplication technology in IBM FlashSystem needs significant improvement. Other vendors like NetApp ( /products/...

What is your experience regarding pricing and costs for Lenovo ThinkSystem DM Series?

There are extra expenses beyond the standard licensing fee for features such as replication and deduplication, which ...

What needs improvement with Lenovo ThinkSystem DM Series?

The deployment process of Lenovo ThinkSystem DM Series is very complicated compared to previous GUI systems. Many cus...

What is your primary use case for Lenovo ThinkSystem DM Series?

My primary use case for Lenovo ThinkSystem DM Series ( /products/lenovo-thinksystem-dm-series-reviews ) is for storag...

Dell PowerStore vs Pure FlashArray X NVMe

Comparisons

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Pure Storage FlashBlade vs Pure FlashArray X NVMe

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HPE Alletra Storage vs Pure FlashArray X NVMe

Compared 8% of the time

Dell Unity XT vs Pure FlashArray X NVMe

Compared 8% of the time

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Dell PowerStore vs IBM FlashSystem

Compared 22% of the time

HPE Alletra Storage vs IBM FlashSystem

Compared 8% of the time

Huawei OceanStor Dorado vs IBM FlashSystem

Compared 8% of the time

Pure Storage FlashArray vs IBM FlashSystem

Compared 8% of the time

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NetApp AFF vs Lenovo ThinkSystem DM Series

Compared 39% of the time

NetApp FAS Series vs Lenovo ThinkSystem DM Series

Compared 14% of the time

Lenovo ThinkSystem DE Series vs Lenovo ThinkSystem DM Series

Compared 11% of the time

Dell PowerStore vs Lenovo ThinkSystem DM Series

Compared 11% of the time

HPE Alletra Storage vs Lenovo ThinkSystem DM Series

Compared 3% of the time

More Lenovo ThinkSystem DM Series Competitors

Product Reports

Pure FlashArray X NVMe

Download Pure FlashArray X NVMe product report

IBM FlashSystem

Download IBM FlashSystem product report

All-Flash Storage

Download Lenovo ThinkSystem DM Series product report

Also Known As

Pure FlashArray//X NVMe, Pure FlashArray//X, FlashArray//X

IBM Storwize

ThinkSystem DM Series

Overview

Pure Storage FlashArray//X is the world’s first enterprise-class, all-NVMe flash storage array. It represents a new class of storage – shared accelerated storage, which is a term coined by Gartner – that delivers major breakthroughs in performance, simplicity, and consolidation.

Pure Storage

IBM FlashSystem products are enterprise computer data storage systems that store data on flash memory chips. Unlike storage systems that use standard solid-state drives, IBM FlashSystem products incorporate custom hardware based on technology from the 2012 acquisition of Texas Memory Systems. This hardware provides performance, reliability, and efficiency benefits versus competitive offerings.

IBM

To meet enterprise storage requirements, ThinkSystem All-Flash DM Series systems provide high performance, superior flexibility, and best-in-class data management. DM Series runs on ONTAP data management software, which gives customers unified storage across block-and-file workloads. It accelerates your business while improving the efficiency, flexibility, and reliability of your IT operations.

Lenovo

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company

Celero, Friedhelm Loh Group, Clarks, Mingkang Natregro Health Food Group, Sofia, Etisalat Fights Fraud, UF Health Shands Hospital, Generali, Elecon Engineering Company Limited, Ventiv , Technology, CPFL Energia, Royal Caribbean Cruises Ltd., SciQuest, Coca-Cola Bottling Co. Consolidated, Paddy Power, Kelsey-Seybold Clinic, Interconnect Services, Severstal IP-Only AB, PVU Group GmbH

Information Not Available

IBM FlashSystem vs. Lenovo ThinkSystem DM Series