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Dell Unity XT vs Lenovo ThinkSystem DE Series comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Sep 18, 2024

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

Everpure FlashArray
Sponsored
Ranking in All-Flash Storage
4th
Average Rating
9.0
Reviews Sentiment
7.3
Number of Reviews
215
Ranking in other categories
No ranking in other categories
Dell Unity XT
Ranking in All-Flash Storage
5th
Average Rating
8.4
Reviews Sentiment
6.5
Number of Reviews
198
Ranking in other categories
No ranking in other categories
Lenovo ThinkSystem DE Series
Ranking in All-Flash Storage
22nd
Average Rating
8.6
Reviews Sentiment
7.9
Number of Reviews
13
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the All-Flash Storage category, the mindshare of Everpure FlashArray is 7.5%, up from 6.3% compared to the previous year. The mindshare of Dell Unity XT is 6.0%, down from 7.3% compared to the previous year. The mindshare of Lenovo ThinkSystem DE Series is 1.6%, down from 2.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
All-Flash Storage Mindshare Distribution
ProductMindshare (%)
Everpure FlashArray7.5%
Dell Unity XT6.0%
Lenovo ThinkSystem DE Series1.6%
Other84.9%
All-Flash Storage
 

Featured Reviews

Sowjanya MV - PeerSpot reviewer
Technical Lead at Wipro Limited
Has improved performance for mission-critical workloads and enabled seamless non-disruptive upgrades
The availability is 99.99%, which is the main factor any customer would need because their data should be available whenever they want to access it. This is one main critical thing. It is very easy to upgrade since Pure Storage FlashArray handles it well. Everything is non-disruptive now; previously, there were forklift shifts, but now that is not the case. Pure Storage FlashArray says no to forklift upgrades. Usually hardware requires downtime, but Pure Storage FlashArray has improved their footprint so that they are not asking for downtime; everything is just a non-disruptive activity, which is why customers are more inclined towards Pure Storage FlashArray. Customers want more of the models in their environment due to the performance they are giving, and everything is in one Pure1 Array console where we can view all the models on one page or just an orchestration tool. You don't miss anything; you have replication, notifications about replication, and details about which host groups replication is happening in and if that replication is successful or failed. On a daily basis, our purpose is to create volumes for infrastructure; our daily activities include creating volumes and mapping them to the host, doing any migrations from a VM, clearing the data stores, and carving the volumes to those VMs. One key factor is the data compression with a ratio of 5:1, focusing on space efficiency, inline deduplication, and the compression Pure Storage FlashArray works on; that is a major factor we can suggest to any customer. Analytical capabilities are crucial. Daily, we check the throughput and consumption, and Pure Storage FlashArray provides predictions for one year regarding usage. This prediction helps plan updates well ahead. For support, we just raise a case, and they follow up and get it done. There is also AI readiness, but with the model R2, we don't have much of that AI readiness. For others, we do have AI readiness that predicts capacity based on daily or monthly trends, enabling us to analyze how much space we need or if we need to expand the disk shelf. From an operational point of view, a good feature is that if you accidentally delete a volume, it will be retained in the destroyed state for the next twenty-four hours, which is not the same with any other vendor. I have worked in this storage domain for the past fifteen years, and this option is remarkable, benefiting any L1 or L2 engineer. Additionally, from a compliance perspective, Pure Storage FlashArray has REST APIs enabled. I have not explored automation much, but from a security standpoint, it is strong with encryption data. If you want to automate, you can easily integrate with all clouds and explore Pure Cloud for scheduling workloads, including volume creation. Customers find benefit in Pure Storage FlashArray's single management pane of glass due to the dual controller and active-active setup. If one of the controllers goes down, all workloads automatically shift to the other controller, ensuring their data is safe and accessible at all times. This is a highlighted feature that any customer desires because their data should always be accessible. For SAN workloads, we use Pure Storage FlashArray because for SAN FC fiber channel, we don't use it; we use NetApp for NAS activities. We have clearly split this, so SAN is for mission-critical applications, while network-attached storage handles file systems. This architecture helps us maximize the benefit from Pure Storage FlashArray due to the significant workloads from this giant retail client. From a footprint and energy consumption perspective, you can see energy consumption from the Pure1 storage portal on a daily basis, and it is very compact. The three models we use consume only three units, which is quite low. From a footprint and data center perspective, it doesn't occupy much space. As everything moves to cloud, there are requirements to avoid excess spending on data centers, and Pure Storage FlashArray is efficient in energy consumption and is environmentally friendly.
NR
TSG Manager at Navigator Systems
Ease of implementation and robust performance enhance multi-OEM support experience
We are limited only to hardware replacement, not administration tasks. We work on AMC products through Annual Maintenance Contracts. We provide support up to the 680 model. The XT680F is a newer model, and we support from 380F to 680F. The FlashSystem 8000 series is all-flash, and there is also a 5000 series flash model. We can compare IBM DS series, including the 8000 series for recommendations. For NetApp, we can recommend the FAS 8000 series.
GP
System Administrator at PORTGUARDIAN.COM SRL
Performance and cost-effectiveness are maximized with seamless setup and significant ROI
I use Lenovo ThinkSystem DE Series to replace the old storage in our infrastructure. Additionally, I use it in customer infrastructures to migrate from the old storage to the new one On the M storage, I find the best features to be deduplication and compression. On the DE storage, the most…

Quotes from Members

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

Pros

"There was a dramatic improvement in operating costs just as a result of the environmentals and space, let alone the cost of the unit itself."
"For an organization, it can take storage from 40 terabytes down to five terabytes."
"The most valuable feature of Pure Storage FlashArray is the all-flash storage performance, low latency, and efficiency of their de-duplication technology."
"Performance, deduplication, compression, and fast response time for requests from servers and applications."
"Pure Storage FlashArray has helped us to improve the reporting and the billing cycle."
"The most important feature of any storage array is its reliability, measured by its uptime."
"Pure Storage has the right business model and will be around for a long time."
"The most valuable feature is how it simplifies the management of the SAN."
"The performance is great. We have four or five different Unity arrays, and they have all run flawlessly."
"Dell EMC Unity XT has helped our organization with the high availability, it has been working very well and the performance has been good with an old flash solution that we are using, and it has improved the reliability and speed of virtual machines."
"I like Unity XT's software-defined storage. It's a new feature that isn't widely used yet, but customers are impressed with it."
"We have had no stability issues with the product, including when adding replication on the fly, customer installed code updates, and customer installed DAEs."
"Unity provides a complete storage solution for VMware on a Wintel Windows box for various applications, such as SQL or Patron Databases."
"It is completely reliable, the plugins for it are quite mature, and I don't really have any issues with the interactions with vSphere, they all work as intended."
"It is a workhorse and will run even demanding workloads."
"Dell Unity XT is quite scalable and can be scaled up to the petabyte level."
"My advice to others is that this is a straightforward, detailed documented, and supported solution."
"The most valuable features of the Lenovo ThinkSystem DE Series are the dual controllers, available installation documentation, and the option of multiple host bus adapter interfaces."
"ThinkSystem's storage performs well, and the price per gigabyte is good, especially on SSD solutions. It's also easy to use."
"ThinkSystem's storage performs well, and the price per gigabyte is good, especially on SSD solutions, and it's also easy to use."
"This solution is good for virtualization and meets the need for CPU and RAM requirements."
"I would rate the stability of Lenovo ThinkSystem DE Series as a ten."
"ThinkSystem is a good offer and can work out well if you can work with it to fit the use cases that you have."
"The solution is very easy to set up."
 

Cons

"The price of Pure Storage FlashArray could be better."
"I would like to see more detailed reporting on the data. However, it would be nice to know what are the exact VMs usage after deduplication and/or what that VMs actual latency and bandwidth is, outside of VMware."
"The initial setup of the product is complex."
"The way Pure Storage does the controller storage warranty or replacement has been an issue for some people who just replace the controllers every couple of years, and that's where some of the confusion with pricing and support has come in."
"If they could make it cheaper, that would be something."
"We've had it in place for about a year and a half and have had zero complaints, other than that box-to-box replication is not encrypted."
"I would rate this solution an eight. To make it a ten it would have to be a little cheaper."
"There's always an opportunity for new feature functionality."
"The VNX reporting is much more granular, versus the Unity reporting."
"We are running VMware, and with the VNXe it was possible to restore. We're using Veeam for VMware backups and with the predecessor, it was possible to mount a backup or restore a backup from a storage snapshot. With the Unity 300, this is not possible."
"It should be lighter. It takes up a ton of rack space. It would be nice to have a smaller footprint."
"It could go faster. Make it bigger, better, and faster at a lower price, and I am there."
"It needs more functionality and the ability to move across more landscapes."
"As the solution continues to grow and gain more traction, things will come up that will just continue to deepen the integration between VMware, vCenter, and all those other components."
"I would like the UI to look better."
"There are some limitations with the file storage."
"Its performance could be faster."
"The solution could be more scalable, although it suits our present needs."
"You can not buy a lot of options for these devices. There are a lot of things that it does not do."
"In the next release, I would like to see support for Hyper-converged infrastructure."
"Improvements can be made to the product's performance."
"Improvements can be made to the product's performance."
"Scalability on rack-mount servers is not as good as with Blade servers."
"Usually, when a part fails, we have to replace it and it takes a while. It would be better if the part could be available locally here in Kenya so we don't have to wait so long to repair the solution."
 

Pricing and Cost Advice

"We have an Evergreen Storage subscription, which I think is a great feature."
"The price was slightly higher than others, but competitive, if you consider all the other features that you get from it."
"Price is about the only thing that's wrong with it. A little bit better pricing would be great."
"It's a good price point and it's a solid product for the price."
"I think that the pricing is less expensive compared to other standard products in the market today. Even the support contract and maintenance services cost less when compared to market-leading products like EMC."
"We consume it as a service, and that's actually something we really like, or at least I really like from the technical perspective. That's because it means there is no hassle when we need to upgrade arrays to add capacity. We just interact directly with technical counterparts, and we say, "Hey, we're filling up," and they say, "All right, here's another data pack." They ship it in, and we install it. So, the as-a-service model has worked very well. Given the outstanding data reduction rates, it has improved our profitability because we're selling allocated volumes as part of the cloud service or recovering those costs from our tenants. It is very efficient, but that has offset the premium price. It started out that way, but over time, as we've added capacity, the price per gig has gone down a lot because we have a lot of it."
"We have a seen a reduction in TCO. It is definitely a cost-effective solution for us. We have seen ROI."
"For pricing, you have to take into account their performance on deduplication and compression in a $/GB comparison."
"The ROI is right where we need it to be. It's a reasonably priced array."
"We have to apply for a license for each system."
"It is priced at around or under $50,000."
"Licensing is fine. We worked with a sales rep to purchase our Unity."
"The price of Dell EMC Unity XT is higher compared to other solutions. The price should be less expensive."
"Here is our major complaint with pricing. Dell EMC comes to us and gives us a price. We are like, "Well, this doesn't even compare to what we got on the last project." We say, "No, you should bring it down to this level." Then, they come back again and we are sort of in the middle again. I am like, You already sold us other stuff at a better price. We are not going to just say, 'Yes,' because we are out of time.""
"The price of the solution should be less expensive. However, at some point, you need to pay for facility and performance."
"The price of Dell EMC Unity XT is not reasonable. They should lower it because the trend is to move to the cloud. They have to protect their market by giving commercial or financial incentives."
"For an all-flash setup, the cost is around $20,000 for a decent configuration."
"The pricing is fair and low compared to other products in this category."
"It is an expensive solution."
"The price of the Lenovo ThinkSystem DE Series is a one-time purchase. There is a global price list available to find the price of the solution."
"The pricing for this solution is good compared to HP or Dell EMC."
"We have a five-year contract for providing support."
"The solution's price could be better."
"All of the features are bundled together, and you can renew the bundle with all of the features included."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Computer Software Company
9%
Construction Company
9%
Manufacturing Company
8%
Computer Software Company
11%
Manufacturing Company
10%
Financial Services Firm
8%
Comms Service Provider
6%
Computer Software Company
14%
Comms Service Provider
11%
Manufacturing Company
9%
Financial Services Firm
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business64
Midsize Enterprise36
Large Enterprise151
By reviewers
Company SizeCount
Small Business62
Midsize Enterprise49
Large Enterprise94
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise3
 

Questions from the Community

Which should I choose: HPE 3PAR StoreServ or Hitachi Virtual Storage Platform F Series?
Both are great platforms, but if you are considering all flash solutions, I would recommend you to consider Pure Stor...
What is your experience regarding pricing and costs for Pure Storage FlashArray?
The only issue is the pricing. Because we have competition, our customers always take another brand and say they can ...
What needs improvement with Pure Storage FlashArray?
Our customers using Dell storage also use competing solutions. Our customers who have Everpure FlashArray may also ha...
What is the Biggest Difference Between Dell EMC Unity and NetApp AFF?
I saw that you have doubts about what you chose. I have a lot of experience with the constructor, honestly I can reco...
What is the Biggest Difference Between Dell EMC Unity and NetApp AFF?
They’re both great solutions and I’ve used both. EMC is being VERY aggressive on pricing which may be the undoing of...
What is the Biggest Difference Between Dell EMC Unity and NetApp AFF?
First of all the decision should be taken looking at similar products in terms of capacity and performance. I will sh...
What is your experience regarding pricing and costs for Lenovo ThinkSystem DE Series?
The price of Lenovo ThinkSystem DE Series is very good. We chose this type of storage for the performance and the price.
What needs improvement with Lenovo ThinkSystem DE Series?
The type of connection that is used in Lenovo ThinkSystem DE Series should be improved.
What is your primary use case for Lenovo ThinkSystem DE Series?
I use Lenovo ThinkSystem DE Series to replace the old storage in our infrastructure. Additionally, I use it in custom...
 

Also Known As

Pure Storage FlashArray
EMC Unity, Dell EMC Unity
ThinkSystem DE Series
 

Overview

 

Sample Customers

Nielsen, Lamar Advertising, LinkedIn, Betfair, UT-Dallas
Draper, Rio Grande Pacific, Royal Victoria Regional Health Centre
Information Not Available
Find out what your peers are saying about Dell Unity XT vs. Lenovo ThinkSystem DE Series and other solutions. Updated: April 2026.
892,678 professionals have used our research since 2012.