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Dell Unity XT vs Pure Storage FlashArray 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 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
Pure Storage FlashArray
Ranking in All-Flash Storage
3rd
Average Rating
9.2
Reviews Sentiment
7.8
Number of Reviews
198
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 Unity XT is 8.7%, down from 10.0% compared to the previous year. The mindshare of Pure Storage FlashArray is 6.4%, down from 8.6% 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.
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.
Nabeel Sayegh - PeerSpot reviewer
Supercharges enterprise storage by way of highly optimized hardware, comprehensive data management and a feature rich interface.
During their early years, I was a member of Pure's Customer Advisory Board. In addition, when we first adopted Pure, they did not have replication GA yet. We got into their beta testing program and help them work out certain issues with that technology. One weakness I can say the array has, still to this day, is limited control on scheduling snapshots. Depending on the type of replication schedule you are building, you may or may not have control on specifying the start time of a given replication schedule. This is not a very big problem in the grand scheme of things, but something nonetheless that has bothered me about the scheduler in general. Another area for improvement would be automatic host alias creation. Other platforms such as EMC Unity/PowerStore will automatically detect the host name, create a alias for it and associate the logged in HBA's to it. Pure does not do this for you and as a result, requires manual configuration. This can be very time consuming especially when you are deploying a large number of new servers.

Quotes from Members

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

Pros

"On a scale of one to ten, I rate Pure FlashArray as ten."
"It offers competitive performance, and the Evergreen storage model of Pure fits well with my organization."
"The high availability of the product is the most valuable feature."
"Pure Storage has signature security technology, which cannot be deleted, even if you are an administrator."
"Everything, especially the VMs inside, is pretty fast."
"I use the tool for Oracle databases, Oracle virtual machines, and Oracle Linux databases. I'm on the storage side, not a database administrator."
"It is very easy to install and configure. It has got excellent diagnostics. If you really need to see how the box is performing, the console gives you a lot of information. You can set thresholds as well as alerts based on the thresholds, which is a very powerful functionality. They are very proactive. They know how to monitor and manage the systems. They see a problem, and they are all over it before us. They see the problem before we see it, which is very good."
"The latency is good."
"It gives me the flexibility with its ability to replicate to itself and the ability to use the Dell EMC Cloud as an option. That's always sitting there and waiting if we need it."
"We can get almost real-time response times."
"Dell Unity XT offers data integration features."
"We have resolved IT challenges with this solution. It sped up our environment. We went from spinning disk to all-flash, which reduced our footprint."
"All-flash array eliminates all the overhead of tiering and a lot of the data structuring overhead involved."
"User friendly interface"
"We use it to implement all our VDI solutions."
"The feature that I have found most valuable is the unified storage. Also, its capabilities for block-access, file access, and the center box."
"The reliability is very good."
"The initial setup was straightforward in the way that it was a database vacuum storage."
"The most valuable feature is it never goes down. We can expand and create volumes."
"Redundancy and the fault tolerance of the platform are the most impressive."
"It solved many problems and provided unexpected features that improved our business execution, making us more agile internally."
"I use all the features of this solution and I find them to be easy to use and functional, such as the compression and capacity to expand."
"Performance, dedupe, and that it works well with database workloads are its most valuable features."
"The first year, we started out with one or five terabytes and it took what was 20 terabytes of storage down to less than one terabyte."
 

Cons

"Our use cases require more multi-tenant capabilities and additional VLAN interfaces for separating different customers. We currently use it to provide storage, sometimes shared storage, to different customers, but it is less flexible in comparison to a dedicated solution."
"Every time I think of something that needs to improve, they're one step ahead, which I love. The only area I wish to see improve, I believe is coming, is in the FlashBlade product. Blade implementation fell short on a few of the services."
"In terms of what needs improvement, the dashboard and management could be simplified."
"Adding some functions to the product would be beneficial. Storage replication should be essential, and the analytics should not incur extra charges."
"If the customer only needs 500 terabytes and doesn't care how much data they'll put in the server, IBM is cheaper than Pure."
"It's more multi-tenant functionality in their Pure1 manage portal that is lacking."
"The tool's portfolio is minimal. It is expensive."
"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."
"We cannot connect directly with Dell due to sanctions."
"Scalability of this solution could be improved."
"Dell EMC's competitor has a clustering technology. In the next release, it would be nice if they could build that into the product."
"I would like the device to have the ability to pull down its own firmware. That would be a great thing."
"The EMC VNX Virtual Data Mover (VDM) software needs more improvement."
"Thick provisioning of LUNs."
"My only complaint would be some of the CLI Help files could be a little more detailed, but that's very minor complaint. We were trying to run some commands just to see how the storage snaps were interacting with the storage array, and it was a little difficult to look up exactly what commands should be run. The Help files detailing what exactly the commands did wasn't as detailed as we would have wanted them to be."
"Dell EMC Unity's competitor, NetApp, has a similar product. However, it has a clustering technology where you can group multiple systems together, then you can move data from one system to another seamlessly. I would like the Unity to do that."
"For large storage needs, it is expensive."
"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."
"FlashArray could improve on the administrative side. For example, when you need to upgrade the boxes, we can't do that ourselves. We need to open a ticket with support and have them do that for us. You don't need to be on the call with them. We tell them we have a slot that we want to upgrade, and they send us an email when it's done."
"I would like to see support for NVMe, end-to-end."
"I would love for them to have a hyper-converged solution."
"Pure Storage FlashArray could improve by being more secure."
"We haven't seen ROI yet."
"I would like a feature to integrate with external or cloud solutions. For example, if I want to use this storage for a backup from the cloud, I want to have integration with the cloud vendors, such as Microsoft, Oracles, or Amazon. It could be available as an API to allow seamless integration. Additionally, the solution could improve by having native integration with a cloud provider, such as VMware or Microsoft, this would reduce the need to use third-party solutions to complete the task."
 

Pricing and Cost Advice

"The support cost per array is about $20,000 a year for 24/7 support."
"With VMware, we pay $300,000 annually."
"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."
"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."
"Our licensing fees are $500,000+ USD."
"The product is expensive."
"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."
"This solution is a good price for what you get."
"Licensing is easy since all the software is included."
"As far as licensing goes, I love how VMware works with Dell EMC Unity. It's great. They work hand in hand. They have made it so simple."
"The pricing was quite okay compared to others. We probably got it cheaper because we were the first ones out of the gate, but I would say that it's good value for the money."
"This unit is one of the cheapest storage all-flash arrays in the market and it does well for what it is intended. It can be combined for both file and block storage."
"We purchased a five-year warranty."
"We have to apply for a license for each system."
"The ROI is right where we need it to be. It's a reasonably priced array."
"Once you purchase Pure Storage FlashArray it is all-inclusive, you receive all the licenses needed."
"Pricing is very competitive, and it's better than other competitors."
"We have an Evergreen Storage subscription, which I think is a great feature."
"We implemented Pure Storage FlashArray nine years ago when it was new to the market and obtained it at a preferential price."
"I would rate it a seven out of ten for pricing. It could be improved."
"The Evergreen Storage subscription is great, because then I get new controllers every three years."
"We have seen a reduction in total cost of ownership."
"I don't know the exact cost but it's around $1,000."
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Manufacturing Company
11%
Financial Services Firm
11%
Government
6%
Educational Organization
72%
Computer Software Company
5%
Manufacturing Company
3%
Financial Services Firm
2%
Educational Organization
35%
Computer Software Company
11%
Manufacturing Company
8%
Financial Services Firm
7%
 

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?
Adding some functions to the product would be beneficial. Storage replication should be essential, and the analytics ...
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...
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 do you like most about Pure Storage FlashArray?
We consume less physical storage because of the solution’s deduplication and compression.
What is your experience regarding pricing and costs for Pure Storage FlashArray?
Well...you know the old saying, you get what you pay for. I wont lie...Pure is no cheap. I could easily buy another v...
 

Also Known As

Pure FlashArray//X NVMe, Pure FlashArray//X, FlashArray//X
EMC Unity, Dell EMC Unity
No data available
 

Overview

 

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company
Draper, Rio Grande Pacific, Royal Victoria Regional Health Centre
Nielsen, Lamar Advertising, LinkedIn, Betfair, UT-Dallas
Find out what your peers are saying about Dell Unity XT vs. Pure Storage FlashArray and other solutions. Updated: January 2025.
838,966 professionals have used our research since 2012.