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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
25th
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 August 2025, in the All-Flash Storage category, the mindshare of Pure FlashArray X NVMe is 0.9%, up from 0.8% compared to the previous year. The mindshare of Dell Unity XT is 6.5%, down from 10.1% compared to the previous year. The mindshare of Dell VMAX All Flash is 0.7%, up from 0.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
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 initial setup was extremely simple and straightforward."
"Pure FlashArray X NVMe will quickly overcome all the hurdles you face, including network and latency issues."
"Overall stability is very good. It is a very stable solution."
"Pure Storage has signature security technology, which cannot be deleted, even if you are an administrator."
"The most valuable feature of this solution is reliability."
"The solution is scalable."
"It's incredibly easy to use and greatly simplified our ability to both deploy and manage our storage subsystems."
"Everything, especially the VMs inside, is pretty fast."
"Unified block and file storage without the need of control stations and data movers. This simplifies administration and deployment and requires less rack space."
"I like its performance and support."
"I have found Dell EMC Unity XT to be stable."
"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 solution allows for easy, useful replication with good features for VPLEX and VIVO."
"We were able to integrate it very quickly with other solutions."
"The most valuable feature is the ability to provision storage from the CLI, versus having to go in and use the GUI every time. I can just script it out and it will create what I need. That makes it super-easy to manage. Also, for us, it's a set-and-forget. Once we provisioned it out, we haven't had to mess with it."
"Performance is a top feature."
"We haven't experienced any outages or core-level issues in the last ten years, making us comfortable with the storage solution."
"The product's initial setup phase was good."
"The ransomware protection feature is housed in a separate unit, specifically addressing the top twenty most critical threats."
"The most valuable features of VMAX are its performance and GUI interface."
"It works very well."
"The snapshot feature has been precious for our testing processes, application development, and managing testing environments due to its efficiency and ease of use."
 

Cons

"We would like to see VNC integration or be able to use Pure Storage with VNC."
"Adding some functions to the product would be beneficial. Storage replication should be essential, and the analytics should not incur extra charges."
"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."
"It's more multi-tenant functionality in their Pure1 manage portal that is lacking."
"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."
"Right now, the box itself is just strictly working as a backend storage system. It would be fantastic if we could access it directly like a NAS device through network access or SIS drives. I think they have an interface, but I am not sure how good it is. If we could address a box directly on the network without having to go through a server, it would be great. The replication schemas could be improved. We are not using replication on the storage level right now. We use a different type of replication. If their replication would be as good as the one that we have, I would probably run the replication schema because it might be faster, but I don't know that for a fact. So, I cannot say that they have good replication. All I can say is that they need to inform us better."
"Many options to check performance, like read, writes, random writes, and random reads, are missing in Pure FlashArray X NVMe."
"There is room for improvement in the pricing of the product."
"It could always use native replication. Then I could get rid of RecoverPoint."
"The solution should include a free process in the HPE portal that uses serial numbers to verify that hardware is genuine."
"We need to improve the controller to work as active-active. We also need to improve the snapshot on the Unity site."
"The only challenge I've ever had was with a Drive firmware upgrade."
"We cannot connect directly with Dell due to sanctions."
"Dell Unity XT could improve the compatibility of some of the features. Some of my customers had some problems. Additionally, it would be beneficial for the solution to have advanced AI and ML features."
"We would like an AI feature that would protect the backup and minimize the consumed space so we can maintain the quality of the backup. This would help us minimize our IT cost in terms of the backup procedures."
"We had some issues recently because of a bug in the system. We were presenting LANs to the Unity array but I think it caused a disruption to the host. EMC did acknowledge it and provided an alternative way to do it."
"We encountered some challenges during large data migrations that could be addressed for smoother transitions."
"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."
"There is room for improvement in the centralized administration."
"The scalability of VMAX is somewhat limited, especially in terms of cache scalability."
"The scalability of VMAX is somewhat limited, especially in terms of cache scalability. We've had to procure additional engines to address this limitation."
 

Pricing and Cost Advice

"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."
"Given its price, Pure is not the first option."
"The licensing is on a yearly basis."
"Pure FlashArray X NVMe’s pricing is cheaper than other products."
"The product is expensive."
"With VMware, we pay $300,000 annually."
"We pay approximately $50,000 USD per year in licensing fees."
"Our licensing fees are $500,000+ USD."
"This product is cheaper than the EMC VNX solution. It is good for small businesses."
"The Dell EMC Data Protection license covers everything, like a one stop shop. All our options are covered."
"Currently, we buy directly from Dell EMC. We've tried going through resellers before, but we've found that if we go directly through Dell EMC, we get a good a price from being with the government."
"From a pricing perspective, this solution is comparable to others on the market."
"Most licenses for the solution are free but upgrades are available when adding additional software or storage."
"While it has a good price to start, they could always make it cheaper."
"Compression is making a difference towards the amount of hardware that we need to purchase."
"With the large Unity that we bought, it has saved us about one and a half rack space. That's our return on investment on our flash array. We also need less Fibre Channel connectivity."
"It is not a cheap product."
"The price falls within the mid-range, neither inexpensive nor high-priced."
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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
17%
Manufacturing Company
11%
Government
7%
Financial Services Firm
6%
Computer Software Company
22%
Financial Services Firm
17%
Government
7%
Healthcare Company
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
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: July 2025.
864,155 professionals have used our research since 2012.