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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
217
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

"We only have storage provisioning, so the provisioning feature is good. The compression and deduplication are good."
"The most valuable feature is its speed."
"Do it. I have zero reservations about recommending Pure to anyone who is looking for some really good all-flash."
"It has improved my organization because now have lower latency, we get fewer complaints from customers, and we see a constant response time."
"Overall, Pure Storage FlashArray has never let us down in front of customers so far."
"Pure Storage has been the go-to storage array for me; it's a lot smaller, easier to set up, faster to upgrade, more reliable, and the performance is very stable."
"Running on Pure has given us the ability to scale out our SQL environments."
"Compared to other storage boxes, Everpure FlashArray is very useful because it is cost-effective and requires less work."
"There are also DR and data protection functions that we found in the new Unity, now that we are stepping up from VNX and other storage appliances, that we've started implementing."
"It has good performance."
"It is lightning fast, low on power and heat, and has a small footprint with great performance."
"The solution overall has high performance."
"We like the way it integrates with our environment. These features help us use multiple soft applications. The new features of going off the grid and replicating really help us. They give us an advantage versus traditional storage resources."
"For me, the best thing is the reliability."
"Compared to VNX, the Unity is a lot easier to use."
"Stable flash storage platform with good scalability, efficiency, and speed."
"We have been working with the solution for around a year and so far it has shown itself to be stable."
"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."
"Lenovo ThinkSystem DE Series is quite an elementary box, no frills. It does not have all the functionality of the DM but it is acceptable, it does its task. It integrates pretty well."
"Lenovo ThinkSystem DE Series is cost-effective; there is no license, all of the features are bundled together, and you can renew the bundle with all of the features included."
"Its initial setup process is easy."
"We have had a very good experience with customer service and support, as they answer questions very fast and resolve our issues."
"ThinkSystem's storage performs well, and the price per gigabyte is good, especially on SSD solutions, and it's also easy to use."
 

Cons

"The data reduction that we had initially anticipated when we bought Pure and we moved over is way lower than the expected reduction."
"A year ago they promised that they would be able to read through the database encryption with more metric and they have not delivered on that patch, which is significant because it gives us back so much more storage room. We want to be able to read through the encryption."
"I would rate this a seven out of ten because it's a good performance storage, but the price is a little bit high."
"I would rate this solution an eight. There's always room for improvement, nobody is perfect to get a ten out of ten."
"A minor issue that comes to mind is that, every once in a while, a hard drive will go bad."
"Awareness about Pure Storage needs to increase. Currently, people mostly think of Dell and NetApp when it comes to storage."
"When we were doing some tests, we found that there was an I/O freeze when they were switching the controller."
"The price of the solution can improve."
"I would like to see a more seamless virtual box integration with the physical box which can replicate, because the setup of the replication is very difficult right now."
"It's an expensive solution, particularly for medium companies. One device costs about 30,000 euros. The support contract is quite expensive as well. We are currently looking for other lower-cost solutions."
"Replication with VMware - it's called the vSphere Metro Storage Cluster - is lacking in the Unity and is present in Compellent."
"Because we can do synchronous replication between the two sites, this made the setup challenging for this piece. They did not know how to set this up initially. We ended up having to do bidirectional synchronous replication."
"In Brazil, price and native Unity migration tools are not very good yet."
"The application's administration needs improvement and become better."
"We would like to see the synchronous replication process included in the next release. Not having this downgraded our performance by 65 percent."
"We do a lot of VMware. It only integrates with VMware in one way, which is virtual volumes. I don't really have any visibility on anything else. From VMware, I can't look into Unity. From Unity, I can't look into VMware unless I am using virtual volumes, where they integrate together happily, but we are not using that. I would like better integration for non-virtual volume VMware use."
"ThinkSystem could be better integrated with backup software like Commvault, Veritas, or Symantec."
"The difficult part comes when dealing with the host. You have to enable multi-pathing and other aspects that are needed for proper configuration. I don't know if there is room for a more hyper-conversion structure to work with, but this would be easier."
"In the next release, I would like to see support for Hyper-converged infrastructure."
"The type of connection that is used in Lenovo ThinkSystem DE Series should be improved."
"It is really entry-level. In the next release, I would like to see more functionality."
"It would be useful to have structured solutions replicated to other sites."
"Scalability on rack-mount servers is not as good as with Blade servers."
"ThinkSystem could be better integrated with backup software like Commvault, Veritas, or Symantec."
 

Pricing and Cost Advice

"The pricing is very attractive and it delivers performance for the money."
"Pure has been flexible with us on the pricing models."
"You get what you pay for. It is expensive, but it really works."
"Because the price is a bit higher than other products, the data reduction equalizes the price with amount of the data reduction."
"FlashArray is expensive, but the quality justifies the price."
"The solution could be cheaper."
"The price is too high."
"It was less expensive than some of the alternatives. It's not as though it was a premium price to get that kind of quality. It's a very competitive product from a price perspective..."
"The price of Dell Unity XT is reasonable. However, if you are buying a custom solution, it can come at a considerable price."
"There is not a license required for the use of the solution. We purchased a maintenance contract."
"It is shipped with all licensed, included for this product range, no need to buy additional licenses"
"It's an expensive solution, particularly for medium companies. One device costs about 30,000 euros. The support contract is quite expensive as well. We are currently looking for other lower-cost solutions."
"Looking at it based on cost per gigabyte, it's certainly very effective."
"We purchased a five-year warranty."
"The solution is very expensive."
"Because of the attractive price, we were able to get rid of more expensive arrays, standardize, and get rid of a lot of spinning disks. We also got rid of more expensive flash that we weren't properly utilizing."
"All of the features are bundled together, and you can renew the bundle with all of the features included."
"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."
"It is an expensive solution."
"For an all-flash setup, the cost is around $20,000 for a decent configuration."
"The solution's price could be better."
"The best thing about this solution is its price, which reduces our costs."
"The pricing is fair and low compared to other products in this category."
"We have a five-year contract for providing support."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Construction Company
9%
Manufacturing Company
8%
Computer Software Company
8%
Computer Software Company
11%
Manufacturing Company
10%
Financial Services Firm
8%
Comms Service Provider
6%
Computer Software Company
15%
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 Business65
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.
893,164 professionals have used our research since 2012.