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Dell Unity XT vs Dell VMAX All Flash 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
14th
Average Rating
9.0
Reviews Sentiment
6.7
Number of Reviews
36
Ranking in other categories
NVMe All-Flash Storage Arrays (6th)
Dell Unity XT
Ranking in All-Flash Storage
6th
Average Rating
8.4
Reviews Sentiment
6.6
Number of Reviews
197
Ranking in other categories
No ranking in other categories
Dell VMAX All Flash
Ranking in All-Flash Storage
24th
Average Rating
8.2
Reviews Sentiment
7.6
Number of Reviews
5
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the All-Flash Storage category, the mindshare of Pure FlashArray X NVMe is 1.0%, up from 0.7% compared to the previous year. The mindshare of Dell Unity XT is 6.3%, down from 9.7% compared to the previous year. The mindshare of Dell VMAX All Flash is 0.8%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
All-Flash Storage Market Share Distribution
ProductMarket Share (%)
Dell Unity XT6.3%
Pure FlashArray X NVMe1.0%
Dell VMAX All Flash0.8%
Other91.9%
All-Flash Storage
 

Featured Reviews

Jaehoon Oh - PeerSpot reviewer
Supports efficient storage management through volume snapshots and offers reliable non-disruptive upgrades
I have no specific improvements to suggest for Pure FlashArray X NVMe at this time. The performance statistics could be enhanced. I can see the performance statistics in the Pure Storage console, but it does not show the performance by 4K byte unit. It displays IOPS and bandwidth, but IOPS is about real use, and I want to know how many IOPS are currently running in 4K byte units. I cannot see that IOPS because most storage systems report their performance by 4K byte unit. I want to see Pure Storage performance by 4K byte unit to compare with other storage or other internal NVMe SSD.
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.
BrijeshKumar - PeerSpot reviewer
With an easy initial setup phase, the tool is useful for multi-site replication and DR
The configuration part of the product is an area with certain shortcomings where improvements are required. If the product is up and running after, if it goes down, my company has observed that there are multiple failures that occur in the tool, so it needs to be reinstalled from scratch. The tool should have an automated feature or an automated option to handle the aforementioned scenario, which one can simply go and reset, after which the tool should be reinstalled with the same configuration.

Quotes from Members

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

Pros

"The solution is very straightforward to set up."
"What I really like about this program, is that it is easy to use and easy to configurate."
"I appreciate the performance."
"The standout features for us in Pure FlashArray X NVMe are its robust DDoS protection, seamless transparent failover, and failback capabilities ensuring high availability."
"The initial setup was extremely simple and straightforward."
"It's incredibly easy to use and greatly simplified our ability to both deploy and manage our storage subsystems."
"It offers competitive performance, and the Evergreen storage model of Pure fits well with my organization."
"The most valuable feature of this solution is reliability."
"The technical support is very professional and provides quick responses."
"It is easy to manage overall. It is all web-based. It has a an easy, nice dashboard. I receive emails if there are issues. When there are any updates, I receive emails. I can either do them on my own, but normally I schedule them with Dell EMC and they remote in, then it's done."
"For sites that we use it on, it gives us more flexibility and high availability solutions. It is easier to expand the site, if needed."
"I like the integration into VirtualCenter. I used to have to add LUNs manually, then scan them in and format them. It does that all for you, all in one, immediate deployment of LUNs."
"It has improved the utilization of our own internal resources and performance across our managed service platform, meeting our customers SLAs."
"We have Dell EMC engineers helping us out and doing some over the shoulder training. They are working with our customer right now doing data migration over to Unities from the legacy Oracle stuff. While they're doing this, they're showing people how the Unities work and the ins and outs of the software interface."
"Dell Unity XT offers data integration features."
"This solution is easy to work with and easy to maintain."
"The product's initial setup phase was good."
"It works very well."
"The most valuable features of VMAX are its performance and GUI interface."
"The ransomware protection feature is housed in a separate unit, specifically addressing the top twenty most critical threats."
"The snapshot feature has been precious for our testing processes, application development, and managing testing environments due to its efficiency and ease of use."
"We haven't experienced any outages or core-level issues in the last ten years, making us comfortable with the storage solution."
 

Cons

"They could add more support for file storage and different types of storage."
"We need better data deduplication."
"I'd like to see the product implement active replication for vehicles such as VMware."
"The tool's pricing is higher than competitors."
"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."
"It is on the expensive side."
"We would like to see VNC integration or be able to use Pure Storage with VNC."
"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."
"We'd like to see a cheaper version of an all-flash array in that footprint."
"We have only used this solution for less than one year so I don't have any improvements suggestions yet."
"The pre-sales technical support and technical engagement could be made better for this product."
"Support Responsiveness & time to fix bugs should be improved."
"The price of Dell Unity XT could improve."
"We went to the PowerMax because of the needs that we have for the business. We're doing true enterprise-level storage. So we went from Unity to PowerMax to give us that tier that we were looking for."
"I would like to see better compression, better dedupe. It's not nearly as good as what is built into the XtremIO. I understand why that is the case, but if they can take some of that technology and leverage that a little bit better in the Unity array, that would be great."
"It could be a little easier to attach it to a network file system."
"We encountered some challenges during large data migrations that could be addressed for smoother transitions."
"The scalability of VMAX is somewhat limited, especially in terms of cache scalability."
"There is room for improvement in the centralized administration."
"The scalability of VMAX is somewhat limited, especially in terms of cache scalability. We've had to procure additional engines to address this limitation."
"The configuration part of the product is an area with certain shortcomings where improvements are required."
"Improvements are needed in both partition recovery and scalability."
 

Pricing and Cost Advice

"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."
"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."
"We pay approximately $50,000 USD per year in licensing fees."
"Our licensing fees are $500,000+ USD."
"With VMware, we pay $300,000 annually."
"Pure FlashArray X NVMe’s pricing is cheaper than other products."
"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."
"Licensing is a little bit confusing. Going through everything with them, there are a lot of line items to go over. Every single thing is broken down into a line item, and it starts to get really confusing in terms of what we're actually purchasing when it comes to the product."
"It scales, but then you have to buy additional stuff."
"We looked at HPE Nimble but the price of the Unity XT was very good compared to the competition."
"We integrated it with VMware vSphere at no additional cost. As we moved into VMware vSphere, this is what we bought to go with it for our storage performance."
"The pricing is competitive. We miss some of the feature functionality that we had with the XtremeIOs but it's certainly suitable for the purpose."
"The price of Dell EMC Unity XT is higher compared to other solutions. The price should be less expensive."
"From an ROI perspective, I'll put it this way: When we've tried to buy other SANs, the Unity ROI makes it impossible to buy them. So usually, the only time we buy another SAN is when the ROI isn't a factor, because Unity can't do the job. From an ROI perspective, it's great because it beats everything else out. We've tried to look at other options but, at the end of the day, when you price it out, the Unity wins."
"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 price falls within the mid-range, neither inexpensive nor high-priced."
"It is not a cheap product."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Manufacturing Company
11%
Financial Services Firm
10%
Government
6%
Computer Software Company
16%
Manufacturing Company
12%
Government
6%
Financial Services Firm
6%
Computer Software Company
21%
Financial Services Firm
16%
Retailer
6%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise11
Large Enterprise12
By reviewers
Company SizeCount
Small Business61
Midsize Enterprise49
Large Enterprise94
No data available
 

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 is your experience regarding pricing and costs for Pure FlashArray X NVMe?
The price of Pure FlashArray X NVMe is very expensive, though I do not know the actual price because I am using the E...
What needs improvement with Pure FlashArray X NVMe?
I have no specific improvements to suggest for Pure FlashArray X NVMe at this time. The performance statistics could ...
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 do you like most about Dell EMC VMax?
The product's initial setup phase was good.
What needs improvement with Dell EMC VMax?
The scalability of VMAX is somewhat limited, especially in terms of cache scalability. We've had to procure additiona...
 

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
Information Not Available
Find out what your peers are saying about Dell Unity XT vs. Dell VMAX All Flash and other solutions. Updated: September 2025.
868,787 professionals have used our research since 2012.