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Dell PowerStore vs Dell Unity XT 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

Pure FlashArray X NVMe
Sponsored
Ranking in All-Flash Storage
16th
Average Rating
9.0
Reviews Sentiment
7.6
Number of Reviews
35
Ranking in other categories
NVMe All-Flash Storage Arrays (6th)
Dell PowerStore
Ranking in All-Flash Storage
1st
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
78
Ranking in other categories
Data Warehouse (4th), NAS (2nd), Enterprise SAN (1st), NVMe All-Flash Storage Arrays (1st)
Dell Unity XT
Ranking in All-Flash Storage
4th
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
194
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of February 2025, in the All-Flash Storage category, the mindshare of Pure FlashArray X NVMe is 0.7%, down from 1.0% compared to the previous year. The mindshare of Dell PowerStore is 17.6%, up from 15.3% compared to the previous year. The mindshare of Dell Unity XT is 8.7%, down from 10.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
All-Flash Storage
 

Featured Reviews

Eugene Hemphill - PeerSpot reviewer
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.
Hamed Mohamed - PeerSpot reviewer
Straightforward with great snapshots and no complicated configuration
The usage of the system is very straightforward. It is simple and easy to use. It has great snapshots. I can take a million snapshots and also schedule the timing. There is no complicated configuration for queries and calls. You just create a model and go. This generation of the product, overall, has been very nice. It is stable. The solution can scale.
Syed Habib - PeerSpot reviewer
Efficient data replication and fast IOPS have improved operational performance
Dell and a partner jointly implemented this solution in Auvink. We installed the Flash, which makes our IO operations fast and efficient. Replication is available, allowing us to replicate data simultaneously from one site to another. All-flash technology and vTXT enhance speed, and the IOPS are faster. The cache's IOPS are much better. Snapshots provide a unique feature for testing and make management more comfortable and easy. The platform is multi-supported and certification is more convenient and easy to manage.

Quotes from Members

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

Pros

"The most valuable features of this solution are its ease of use and performance."
"Offers excellent features like efficient data reduction, a reliable SafeMode, and a great support model for continuous assistance and updates."
"It has good, reliable, fast storage."
"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 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 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 solution is very straightforward to set up."
"It is a stable solution."
"The most valuable feature is the functionality of the integration between the storage and the domain."
"The initial setup was straightforward."
"It's a great product. Integrating PowerStore with the IT workflow is easy."
"The most valuable features are the three-to-one data reduction and the ability to scale out and up."
"The deduplication functionality provided by the solution is fairly good. The speed offered by the product is enough for our organization."
"The most valuable feature of the solution for me is the deduplication part, especially since most of the servers in our organization are Windows-based servers."
"The biggest improvement we found when moving into Dell PowerStore was the deduplication and compression."
"The most valuable features of Dell Unity XT are the data compression for all of our VMs up to four times and the performance is good."
"The most valuable thing for our use case is the flexibility to have multiple-protocol support."
"It is very stable."
"Their support cases are all handed through the portal. The support contacts me when they need to do upgrades. It has been great. It's all very well-handled, scheduled, and performed."
"The compression and deduplication that will be coming in version 4.3. With just those features, you're reducing the amount of data and the footprint on the hardware."
"Stable data storage platform which promotes ease of management through its multi-cloud support. Remote support provided to users to address issues is very good."
"The flash aspects of the Unity make it incredibly fast. The fact that you get that much storage directly on what is basically a 3U box to us, that density has been really useful."
"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."
 

Cons

"You cannot tag a LUN with a description, and that should be improved. What I like on the Unity side is that when I expand LUNs or do things, there is an information field on the LUN. This is the Information field that you can tag on your LUNs to let yourself know, "Hey, I've added this much space on this date". Pure lacks that ability. So, you don't have a mechanism that's friendly for tracking your data expansions on the LUN and for adding any additional information. That's a downside for me."
"It feels more suitable for small and medium-sized businesses rather than enterprises."
"The software layer has to improve."
"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."
"There is room for improvement in the pricing of the product."
"We need better data deduplication."
"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."
"Efficiency improvements would always be welcome, but I'm not sure if they could get more efficient."
"I do not like having to use VPLEX for synchronous replication, as opposed to having the store software built-in."
"The support is not very good."
"The support team doesn't always provide adequate assistance. So, there is room for improvement in the support."
"The solution didn't have all of the features we needed."
"I have not seen anything specific. The only thing I can think of that needs improvement is the price."
"Other products have better management and analytics features."
"The solution’s security and technical support could be improved."
"During the installation phase, the licensing part was not straightforward. It was very difficult for the technicians, who are not trained Dell EMC technicians, to do the licensing because the information on their website is not straightforward... Eventually, I had to pass this task to our business partner and they did it for us."
"The product’s pricing should be improved."
"We have had some downtime. Nothing is perfect. Unity’s have had some code-release problems, versions that, from a compatibility perspective, had some glitches which caused an outage. But, given the amount of Unity’s we run, that has been fairly minor and it hasn't happened at scale or across all of our Unity’s."
"I would like the UI to look better."
"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 might be nice to have more integrated features instead of having everything as a separate module, like the networking. The networking is attached separately in the back. It would be nice if that was more integrated with less ports."
"Since Dell took over EMC, the support has been very bad. Before, the support was fine. Now, the support is slow or they don't react."
"The only challenge I've ever had was with a Drive firmware upgrade."
"They can certainly improve in terms of monitoring."
 

Pricing and Cost Advice

"With VMware, we pay $300,000 annually."
"The support cost per array is about $20,000 a year for 24/7 support."
"Pure FlashArray X NVMe’s pricing is cheaper than other products."
"Its price could be better. It is not too expensive, but it is the high-end cost. It is kind of a Rolls-Royce. You pay a lot, but you get a lot out of it. So, the price pressure on the way down would be great, but at the end of the day, if you need to do the work, you just pay for it."
"Pretty much everything that you need is licensed when you buy the product. Licensing to me is different than the maintenance cost, but they can bleed into one another. We buy the product, and we expect three years of support bundled into what we negotiate on our storage arrays. I would start to see maintenance costs going into the fourth year, but we're not there yet."
"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."
"Dell PowerStore has been priced aggressively, especially when compared to other NVMe storage options. It is likely one of the most cost-effective options for organizations seeking a pure NVMe play in terms of pricing."
"In terms of licensing, my organization has Dell Technologies End User License Agreement (EULA), but I don't know exactly how it works, though it is a big bundle of licenses for Dell Data Domain, Dell EMC Unity XT, Dell PowerStore, Dell ECS, and all such kinds of storage arrays."
"The pricing is good. There's no need to pay for a license; it's all-inclusive."
"If we use the 500 or 1000, the licensing and pricing are reasonable. PowerStore can compete with any vendor and the price isn't that expensive."
"I rate the price of Dell PowerStore a seven out of ten."
"Dell PowerStore is not a cheap solution."
"The price of Dell EMC PowerStore could be better, it is a bit expensive."
"When we compared it with the other solutions, the pricing of PowerStore was equal. The pricing is good."
"Obtaining a warranty is easy."
"The price of Dell Unity XT is reasonable. However, if you are buying a custom solution, it can come at a considerable price."
"The pricing of Dell Unity XT is good."
"There is no capacity license for XT and no additional costs for expansions. I would rate its pricing as four out of five."
"While Dell EMC is costly, I don't have any complaints about their licensing model."
"There is not a license required for the use of the solution. We purchased a maintenance contract."
"Go with the virtual appliance versus the hardware."
"We checked both HP and Dell and we determined that Dell EMC was a better option."
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Answers from the Community

YC
Sep 20, 2023
Sep 20, 2023
Hello Yasin, The best solution depends upon your host environment. In general, PowerStore is more powerful than Unity but Unity is also a very good Storage solution.
See 2 answers
ST
Sep 19, 2023
The Unity 400 is a rather old, a much less powerfull solution and at its best holds ssd flashdrives if at all. Currently you have the Unity 8xx model, which has more CPU punch and therefore maxes out less fast on CPU utilisation. What this means is that you can add more shelves and disks and workloads to it before you hit the roof.   The powerstore 1200 is an nvme storage, is 60% more powerfull (compared to FC/SCSI-SSD on Unity) in our case, and has higher datareduction rates. If the unity reaches out to a datareduction rate of 1.5 or 2, the Powerstore T1200 is capable of 3 to 3.5 datareduction, probably due to half its blocksize. The price of the device is pretty much dependant on the price of its media, and therefore the Powerstore T1200 is the absolute winner. . Another aspect is that the Powerstore can be used to build a cluster of arrays compared to the sync/asynch replication only feature of the Unity series, rendering the mirrored volumes unuseable unless one fails over to it, like in a disaster recovery scenario. . The Powerstore also allows true A/A volumes on both sides . What this means is that one can build stretched vSphere clusters and the loss of your array in one site will still allow writing to the alternate protected disk, transparently ! You can have site local writes to your volumes and remain in sync without a need to cross site write. . There is not much of a reason to settle for the Unity anymore, though some still prefer the Unity for NAS compared to Powerstore, but honestly speaking I won't recommend to use any of both for that purpose unless for limitted useage. Unity allocates RAM ressources dynamically when used for FC/SCSI AND NAS , whereas the Powerstore is initialized in a kind of split off of RAM ressources between NAS/FC SCSI at installation time. The ressource allocation is fixed and can't be altered lateron.  Thats a hard call. So I'd favour the Unity only if you use it for low/moderate NAS needs in combination with FC/SCSI or block data and you don't have the budget nor the size to use a NAS optimised array on top.
Md. ImranulHoque - PeerSpot reviewer
Sep 20, 2023
Hello Yasin,  The best solution depends upon your host environment. In general, PowerStore is more powerful than Unity but Unity is also a very good Storage solution.
 

Top Industries

By visitors reading reviews
Computer Software Company
16%
Manufacturing Company
12%
Financial Services Firm
11%
Government
6%
Computer Software Company
18%
Manufacturing Company
10%
Financial Services Firm
9%
Government
7%
Educational Organization
71%
Computer Software Company
5%
Manufacturing Company
3%
Financial Services Firm
2%
 

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 needs improvement with Pure FlashArray X NVMe?
Maybe the price can be reduced since the solution is very expensive.
What do you think about Dell EMC PowerStore? Is it actually a new product?
PowerStore is flexible, scalable, simple, and performant with market-leading economics for a wide range of legacy and...
How does Dell's EMC PowerStore compare with its EMC Unity XT?
Dell EMC PowerStore is a unified storage platform that has the added benefit of being scalable. The automated managem...
What's the difference between DELL EMC Powerstore and Powermax NVMe?
Dell PowerStore is an all-solid-state midrange storage system. It has many internal elements taken from other Dell of...
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...
 

Also Known As

Pure FlashArray//X NVMe, Pure FlashArray//X, FlashArray//X
PowerStore
EMC Unity, Dell EMC Unity
 

Overview

 

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company
Information Not Available
Draper, Rio Grande Pacific, Royal Victoria Regional Health Centre
Find out what your peers are saying about Dell PowerStore vs. Dell Unity XT and other solutions. Updated: January 2025.
832,237 professionals have used our research since 2012.