Lenovo ThinkSystem DM Series vs Nasuni comparison

Lenovo and Nasuni are both solutions in the All-Flash Storage category. Additionally, 60% of Lenovo users are willing to recommend the solution, compared to 100% of Nasuni users who would recommend it.

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Executive Summary

We performed a comparison between Lenovo ThinkSystem DM Series and Nasuni based on real PeerSpot user reviews.

Find out in this report how the two All-Flash Storage solutions compare in terms of features, pricing, service and support, easy of deployment, and ROI.

To learn more, read our detailed Lenovo ThinkSystem DM Series vs. Nasuni Report (Updated: April 2025).

Buyer's Guide

Lenovo ThinkSystem DM Series vs. Nasuni

April 2025

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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

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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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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Fee Chong

Systems Analyst at RRC POWER & ENERGY, LLC

Serves as single technology for more efficient processes, and continuous file versioning gives us peace of mind

We explored the Access Anywhere option because we need that type of feature for our international users, but the additional costs put us off. And to my knowledge, deploying Access Anywhere is not as easy and straightforward as we would like because you still have to deploy a physical or virtual filer to each site. Either way, you still need another layer, the filer, to enable Access Anywhere. We have multiple offices and Nasuni replicates the changes pretty fast. When users from one office save their changes, their peers in another office can see the changes within minutes. Of course, this is an area for constant improvement and we hope that they can still reduce the amount of time it takes to replicate changes. The minimal wait time used to be much longer but they have improved it. They implemented something called Global File Acceleration that accelerated the replication and we appreciate that a lot. Replication depends on a lot of factors, such as a site's internet speed, bandwidth, and congestion on the network. However, we hope the Nasuni team continues to strive for faster replication and makes it more efficient. Another issue is that you can configure each filer to have web access. This is different from the Access Anywhere feature. You can create a web portal for a filer where a user can log in using their Active Directory credentials. We would like to enable multi-factor authentication for this type of web access to the filer. Relying only on Active Directory credentials is still not safe enough. We are using Duo multi-factor authentication and we would like to see Nasuni integrate with Duo so that we can further secure the access. To my knowledge, although I could be wrong, they don't have that yet. In addition, Nasuni relies on a reseller, a middle-man. Our reseller is a company called SHI, and I am not happy with SHI's performance. I expressed this to our Nasuni account manager. I told him that every time we want to order a Nasuni filer, we have to go through SHI, but the performance has just not been competent and our point of contact has not been knowledgeable. Often, things have not been handled properly. SHI, on a scale of one to 10, with one being the lowest, would be about a 2 or 2.5. It fails miserably. The purchasing process, the shipping of new equipment, has actually wasted a lot of time and the inefficiency and delays all cost money. Nothing is wrong on the Nasuni side, rather it's all because of the reseller.

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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

"The duplication algorithm allows us to get a lot more use out of less storage. We're running a five terabyte array right now and we're running probably about 30 terabytes on it. So the duplication rate is pretty phenomenal, without a cost to performance. It still runs pretty smoothly."

"The solution is scalable."

"I appreciate the performance."

"The solution uses newer technology for deduplication and compression."

"The most valuable features of Pure FlashArray X NVMe are its superior performance compared to other flash tiers, as well as its ease of use, with an intuitive user interface that is simple to deploy and use."

"The high availability of the product is the most valuable feature."

"I use the tool for Oracle databases, Oracle virtual machines, and Oracle Linux databases. I'm on the storage side, not a database administrator."

"The solution is very straightforward to set up."

More Pure FlashArray X NVMe pros

"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 price of this solution is good."

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

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

"The most valuable feature of Lenovo ThinkSystem DM Series is its capability to tier to the cloud, such as Microsoft Azure or Amazon AWS. Additionally, the integration is good and they are user-friendly."

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

"We are satisfied with the stability."

"Scalable and stable storage array."

More Lenovo ThinkSystem DM Series pros

"Continuous File Versioning is one of the best features because it helps you to restore at any point in time. That means you don't have to worry about a ransomware attack. Even if that attack happens, you can restore all the data to five minutes ago and save everything."

"The most valuable feature is the simplicity of the backup and restore functions."

"The disaster recovery capabilities are very easy because their virtual appliances are just like OVFs or images. You put in a code and it collects all the configuration from the cloud and then builds up the cache. But that doesn't preclude the device from easily being restored or recovered at short notice."

"Nasuni offers us a single platform with a 360-degree view of our file data, which is definitely important to us. It simplifies IT operations tremendously. Because it is taking continuous snapshots, it eliminates a lot of work that was done previously when trying to manage backing up and restoring data files."

"One of Nasuni's best characteristics is its fully redundant system; we don't have to shift tapes or use other backup solutions. It's a good, full-featured product."

"The biggest and most impressive thing for us is the operational recovery (OR) and disaster recovery (DR) capabilities that Nasuni has. If a filer goes down, or an ESX server goes down, then we can quickly recover."

"Snapshot backup is most valuable. It's quick and easy to use. It's controlled only by an administrator, which is very good. It takes 10 seconds to back up a spreadsheet of three or four megabytes."

"Nasuni has helped to eliminate on-premises infrastructure. We were using about eight to 10 different types of vendors or small storage boxes for provisioning and shared access for users. We got rid of all those. That has eliminated operational overhead and footprint at our data center. We don't have to worry about any hardware or monitoring particular devices, and hundreds of devices have been decommissioned. Now, for provisioning, everything is on Nasuni. I assume this has made a big difference in costs."

More Nasuni pros

Cons

"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."

"We need better data deduplication."

"There are some challenges with data encryption and reduction."

"Maybe the price can be reduced since the solution is very expensive."

"There is room for improvement in the pricing of the product."

"Efficiency improvements would always be welcome, but I'm not sure if they could get more efficient."

"I want to see Pure Storage not only be for fast storage, but I want to see it be for the entire data center."

"It's more multi-tenant functionality in their Pure1 manage portal that is lacking."

More Pure FlashArray X NVMe cons

"Lenovo could have a wider variety of storage solutions in the NAS space."

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

"Lenovo ThinkSystem DM Series is not stable. If I have sold fifty boxes, about fifty percent of them experienced failure."

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

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

"It takes a very long time to enter the management console, as well as to restart the system, and these are things that should be improved."

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

"The solution needs a simpler licensing theme around the DM series. The problem is if you only need one of the features, you still have to buy the whole thing. The licensing needs to be more granular or flexible so you have the option to only license FlexCone or Inline Compression features."

More Lenovo ThinkSystem DM Series cons

"We forecasted that the data at my client's organization would grow by about ten percent annually, but we are migrating more data because we are bringing in some servers that had not previously been within the scope of our license. We expected it would take us two years to reach a specific amount of data, but we hit that mark in one year. The licensing cost skyrocketed, so we need to renegotiate. It puts us in a bind because we are reliant on Nasuni for our service strategy. We can't deny our customers, but we also struggle to pay for that."

"Nasuni does not support different retention policies within the same volume, so you have to keep creating volumes for retention policies. When you create a new volume, it means you're starting from zero all over again. You can't move data between two volumes. You have to move them from your physical device to Nasuni or your cloud device to Nasuni."

"We would like to have a user desktop agent to help improve the end-user experience."

"The speed at which new files are created is something that could be improved. For example, if you create a new file in another country, I won't see it for between 10 and 15 minutes."

"The Nasuni file storage platform doesn't work well when there are a high number of small files. This is the case when a directory structure contains more than 10,000 or 20,000 small files, e.g., 5 KB, 10 KB, or 15 KB. When the user is accessing these files from another geographical location, they might face a slow response or timeouts when connecting to the shares, and then to the files. This is because the file size is small. There is a scope of improvement with this solution when it comes to accessing a large number of small files."

"There are some issues with multiple users accessing the same file simultaneously. There would be times when the global file would lock when several people tried to access it, so that could be optimized more."

"When we have to rebuild a filer or put a new one at a site, one of the things that I would like to be able to do is just repoint the data from Azure to it. As it is now, you need to copy it using a method like Robocopy."

"The privilege settings need to be more granular, and alerts are an excellent example. If a user doesn't have access to them, they can't see them and access information such as what they may have done wrong, what's there, and when the last sync happened. However, the ability to view alerts also comes with permission to delete them, which is not good, so we need more customization options here."

More Nasuni cons

Pricing and Cost Advice

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

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

"Our licensing fees are $500,000+ USD."

"The tool is an investment that we've budgeted for. While the prices may be higher than those of other vendors, we see it as a market leader with benefits. We don't regret purchasing it."

"The licensing is on a yearly basis."

"The product is expensive."

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

"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."

More Pure FlashArray X NVMe pricing and cost advice

"The solution is highly-priced."

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

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

"There are annual costs that we pay for maintaining all of the snapshot history in the cloud. That is the primary cost that we pay. We occasionally buy newer Nasuni appliances or deploy them to new offices when the need occurs. That capital equipment expenses is less than the cost of buying new file storage systems. For the most part, you are trading a CapEx cost of storage equipment for an OpEx cost for management of all the snapshot data in the cloud."

"I would not say it is economically priced, but it is affordable. If you can afford to pay for it, it is worth the money, but it is definitely not overpriced. It is priced about where it needs to be in the market. We were satisfied with the way they did their licensing and how they handled it. I believe they actually license by data size. It is based on how much data is being held on the machine and replicated, and that's completely understandable. So, for us, their pricing was as expected and affordable."

"Its price is fair and reasonable. I don't have anything negative about its pricing and licensing. For us, there is also the cost of monitoring. We are monitoring through Xenos and not through Nasuni. That is another cost for us from the monitoring perspective, but as far as Nasuni goes, we don't have any other cost apart from the licensing fee."

"The pricing is on par with everybody else, and fair."

"It has a license fee as well as hardware costs, which we would incur if we want to use Nasuni Cloud Storage Gateway for upgrades."

"With this solution, the license renewal is pretty swift. With the virtual appliance, you just need to take care of the OS versions and patches. In a way, we don't have to struggle much with renewals because the only thing that we need to take care of are the licenses. We renew it every three years. This aspect goes with infrastructural costs because it doesn't cost us too much to maintain the solution."

"Nasuni pricing is average; it's not too high or too low."

"They could lower the cost, but it saves so much money when you go into it (by losing all the backup)."

More Nasuni pricing and cost advice

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Top Industries

By visitors reading reviews

Computer Software Company

15%

Financial Services Firm

11%

Manufacturing Company

11%

Government

Computer Software Company

20%

Comms Service Provider

Financial Services Firm

Manufacturing Company

Computer Software Company

16%

Manufacturing Company

10%

Financial Services Firm

10%

Construction 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.

See all answers

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.

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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 ...

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What do you like most about Lenovo ThinkSystem DM Series?

The product’s quality of service guarantees the performance of each workload.

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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 ...

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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...

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Does Nasuni have a good pricing model?

Based on the experience of my organization, Nasuni is definitely worth the money, since it gives you an all-in-one so...

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Is it easy to restore files with Nasuni?

As someone who has used this feature of Nasuni I can tell you - yes, it's good for file recovery and you'll definitel...

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What features and services does Nasuni offer?

Hi, if you pick Nasuni, you'll be benefiting from many services for a good price. Well, it's a personalized price you...

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Comparisons

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IBM FlashSystem vs Pure FlashArray X NVMe

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HPE Alletra Storage vs Pure FlashArray X NVMe

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Compared 39% of the time

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Compared 13% of the time

Lenovo ThinkSystem DE Series vs Lenovo ThinkSystem DM Series

Compared 12% of the time

Dell PowerStore vs Lenovo ThinkSystem DM Series

Compared 10% of the time

Dell Unity XT vs Lenovo ThinkSystem DM Series

Compared 7% of the time

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Panzura CloudFS vs Nasuni

Compared 19% of the time

Egnyte vs Nasuni

Compared 11% of the time

CTERA Enterprise File Services Platform vs Nasuni

Compared 9% of the time

Qumulo vs Nasuni

Compared 7% of the time

Rubrik vs Nasuni

Compared 6% of the time

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Product Reports

Buyer's Guide

Pure FlashArray X NVMe

May 2025

Download Pure FlashArray X NVMe product report

Buyer's Guide

All-Flash Storage

May 2025

Download Lenovo ThinkSystem DM Series product report

Buyer's Guide

Nasuni

May 2025

Download Nasuni product report

Also Known As

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

ThinkSystem DM Series

No data available

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

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

Nasuni is a file data services enterprise focused on assisting firms with their digital transformation, global expansion, and information awareness. The Nasuni File Data Platform is a suite of cloud-based services designed to enhance user productivity, ensure business continuity, provide data intelligence, offer cloud options, and simplify global infrastructure. This platform and its auxiliary services are projected to replace conventional file infrastructure such as network attached storage (NAS), backup, and Disaster Recovery (DR), with an expandable cloud-scale solution. By storing file data in scalable cloud object storage from multiple providers, Nasuni positions itself as a cloud-native alternative for traditional NAS and file server infrastructure. Based in Boston, Massachusetts, USA, Nasuni serves sectors like manufacturing, construction, technology, oil and gas, financial services, and public sector worldwide, offering its services in more than 70 countries.

Reviews from Real Users

James J., IT Manager at a marketing services firm, says Nasuni’s management dashboard is helpful because he's able to view all of the different filers at once rather than check each one of them individually. He values the software’s security, reliability, good performance, helpful alerting, and responsive support.

According to a Server Engineering Services Lead at a mining and metals company, Nasuni offers good OR and DR capabilities, performs well, offers data security, and continuous file versioning helps recover from hardware failures.

The Managing Director of IT at a construction company appreciates Nasuni because it eliminates a lot of work that was previously done when managing backing up and restoring data files.

Nasuni

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company

Information Not Available

American Standard, CBRE, Cushman & Wakefield, E*TRADE, Ithaca Energy, McLaren Construction, Morton Salt, Movado, Urban Outfitters, Western Digital

Buyer's Guide

Lenovo ThinkSystem DM Series vs. Nasuni

April 2025

Free Report: Lenovo ThinkSystem DM Series vs. Nasuni

Find out what your peers are saying about Lenovo ThinkSystem DM Series vs. Nasuni and other solutions. Updated: April 2025.

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