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DDN IntelliFlash 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

Everpure FlashArray X NVMe
Sponsored
Ranking in All-Flash Storage
17th
Average Rating
9.0
Reviews Sentiment
6.7
Number of Reviews
36
Ranking in other categories
NVMe All-Flash Storage Arrays (6th)
DDN IntelliFlash
Ranking in All-Flash Storage
26th
Average Rating
7.6
Reviews Sentiment
5.9
Number of Reviews
12
Ranking in other categories
NVMe All-Flash Storage Arrays (11th)
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
 

Mindshare comparison

As of April 2026, in the All-Flash Storage category, the mindshare of Everpure FlashArray X NVMe is 2.0%, up from 0.8% compared to the previous year. The mindshare of DDN IntelliFlash is 1.1%, up from 0.4% compared to the previous year. The mindshare of Dell Unity XT is 5.9%, down from 7.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
All-Flash Storage Mindshare Distribution
ProductMindshare (%)
Dell Unity XT5.9%
Everpure FlashArray X NVMe2.0%
DDN IntelliFlash1.1%
Other91.0%
All-Flash Storage
 

Featured Reviews

Jaehoon Oh - PeerSpot reviewer
Chief Technology Officer at Lambda256
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.
Anil Rahulwar - PeerSpot reviewer
L3 Storage Engineer at Capgemini
Good customer service and support and suitable for large environments
It is very easy to install. Users don't need to remember anything while deploying IntelliFlash because everything will be taken care of by tech support. They can easily modify the installation or change the password with the help of the tech support. It is very easy to integrate IntelliFlash with other solutions. We have plugins that can be integrated with other solutions. It will require maintenance. It is the same as any other storage solution: updates and upgrades, firmware upgrades, and drive upgrades.
DK
Sales Account Manager - BFSI Sector at Frontier Business systems
Customer needs are addressed effectively with collaborative sales and service support
Recently, customers have been asking for a cloud tiering option in storages. Some Dell storages do not have cloud tiering, which is an optional commercial feature. NetApp's FSA model 2750 comes with an inbuilt cloud tiering option. In the future, if Dell storages include this option, especially for Unity, it would help us target SME or medium enterprises for quicker closures and support the sales team.

Quotes from Members

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

Pros

"Technical support has been helpful and responsive."
"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."
"It has benefited my organization because it has reduced time to insights."
"Everything works well, and it is very fast."
"The database workloads are pretty fast because I frequently move data from here to there."
"Pure FlashArray X NVMe helps to improve our processing speed. It is user-friendly and easy to use."
"We are satisfied with the performance as it is significantly faster compared to traditional storage options."
"The most valuable features of this solution are its ease of use and performance."
"Ease of Use: Someone can learn it in only few hours Performance: Easy Tier is doing miracles Data Compression: Up to 80% space reduction in the database"
"High performance and ease-of-management are the most valuable features."
"It performed great originally, and when it performed great, it was awesome."
"We have been able to realize storage space savings for our virtualization environment and it has reduced our electricity usage by reducing the number of disks needed for the virtual environment."
"We use IntelliFlash products for larger environments, like Qatar Airways."
"After five years, the cost decreases over 30% and the performance increases over 50%."
"It has cut batch job runtime in half, so we're seeing performance improvement throughout the organization."
"High performance and ease-of-management are the most valuable features."
"Quick Snapshots and cloning are key features."
"It can improve your TCO; when you buy a Unity box, you can consolidate a lot in a very small frame, save energy, and, if you're arranging a room for your equipment, it can help you reduce costs in tiles and flooring, energy, and so on."
"The fact that it's hybrid is the most valuable feature. We have the SSD so we put our SharePoint on there and some of the stuff that requires a little more speed. For SharePoint, we want the pages to respond a little more quickly. And it's nice to be able to use the slower storage for stuff that we don't need as quickly, like file servers."
"It is nice the way ESRS works with remote support, being able to remote in and take a look at problems proactively."
"I can't say enough about the Flex on Demand because it gives you the agility you need."
"From a functionality perspective on cost-effectiveness, it is exceeding all expectations."
"It will certainly help us scale bigger. If I look at the footprint, the VNX's was multi-rack. Now, all of a sudden, we're only at a portion of a rack. And, obviously, if we can scale within the same rack - we can certainly see that by the number of hard drives we've had to put in - we can scale a lot more easily."
"It has helped us be able to use less administrators per device or system. Therefore,we are more streamlined."
 

Cons

"The software layer has to improve."
"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 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."
"In the next release, I would like to see real-time analytics for further insight into consumption models."
"I would like to see replication and DR features in the next release of this solution."
"We would like to see more visibility into garbage collection and CPU performance in the GUI."
"The UI for this solution needs to be improved."
"Adding some functions to the product would be beneficial."
"They need to offer better integration for a virtual platform to enable you to create hyper-converged solution."
"The monitoring matrix and its dashboard need work."
"We had just one small stability problem with power flapping and it did not start up again automatically."
"The monitoring matrix and its dashboard need work."
"I would say it's somewhat scalable, maybe not so much as some of the competition, but we don't really care."
"It only keeps one hour of real-time data without the ability to do deep analysis of each element."
"Technical support is bad. It'd grade them at 30% or 40%. The response time is terrible."
"In the proxy section you can’t choose a user account and password, so it is not allowed at the moment to go out, if customer has such constellation."
"The iSCSI and the VMware integation using vSphere could be less confusing."
"The price of Dell Unity XT is reasonable. However, if you are buying a custom solution, it can come at a considerable price."
"Thick provisioning of LUNs."
"We have had customers reporting issues with slow responses from the support team."
"Include cloud-based replication for blocks"
"I have a problem because between the Unity XT and the PowerMax, sometimes we need another product between these two products."
"Currently, the protocol SNMP is not implemented. That's a problem, as we follow this protocol and I can't check the integrity of this equipment."
"This solution would be improved with the addition of flexible raid volumes."
 

Pricing and Cost Advice

"The product is expensive."
"The tool's pricing is cheap; I rate it a six to seven out of ten. Most of our sales are not subscription-based. We sell the hardware, and customers keep using it. They only renew the service part annually. The support can be a bit pricey, but the solution is more cost-effective than anything else out there."
"As far as the licensing costs, everything is included in the license."
"We pay approximately $50,000 USD per year in licensing fees."
"With VMware, we pay $300,000 annually."
"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."
"The licensing is on a yearly basis."
"Given its price, Pure is not the first option."
"I think we pay around 100 grand per year for three arrays or four arrays."
"I recommend the full bundle software in order to have all the functionality. It is more expensive to purchase it one by one."
"The product’s pricing should be improved."
"It is a good return on investment."
"What they really like is the easy licensing now - Dell EMC has caught up to a lot of their competitors - based on not having to charge for everything, and they can get everything in one bundle."
"Most licenses for the solution are free but upgrades are available when adding additional software or storage."
"The pricing is reasonable. We're using the Flex on Demand pricing. It's really good for us when we pay for what we use. It made it easy to get it inside since it's an OpEx and instead of CapEx expense."
"When I see other products—like HP, Huawei, and Lenovo—from competitors, I have seen a lot of disadvantages with EMC, price-wise. Huawei and Lenovo are very price competitive. Looking at the price point for a country like Sri Lanka, where we have a very low economy, I think you need to look at a pricing mechanism that is a bit more flexible."
"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."
"There is not a license required for the use of the solution. We purchased a maintenance contract."
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Financial Services Firm
11%
Manufacturing Company
11%
Government
6%
Construction Company
14%
Manufacturing Company
11%
Computer Software Company
10%
Healthcare Company
8%
Computer Software Company
12%
Manufacturing Company
10%
Financial Services Firm
8%
Comms Service Provider
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 Business8
Midsize Enterprise2
Large Enterprise3
By reviewers
Company SizeCount
Small Business62
Midsize Enterprise49
Large Enterprise94
 

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 your experience regarding pricing and costs for IntelliFlash?
It is a bit cheaper than other products, 10% to 20% cheaper.
What needs improvement with IntelliFlash?
DDN IntelliFlash should improve in terms of sales. In future releases, I look forward to more features about AI and M...
What is your primary use case for IntelliFlash?
We use IntelliFlash products for larger environments, like Qatar Airways. They have large scalability and use more th...
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, Pure FlashArray X NVMe
Tegile, IntelliFlash N-Series, IntelliFlash T-Series, IntelliFlash HD-Series
EMC Unity, Dell EMC Unity
 

Overview

 

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company
Bank of Stockton, Barnsley College, Boyes Turner, Brigham Young University
Draper, Rio Grande Pacific, Royal Victoria Regional Health Centre
Find out what your peers are saying about DDN IntelliFlash vs. Dell Unity XT and other solutions. Updated: April 2026.
886,906 professionals have used our research since 2012.