DDN IntelliFlash vs Dell Unity XT comparison

DataDirect Networks and Dell Technologies are both solutions in the All-Flash Storage category. DataDirect Networks is ranked #26 with an average rating of 9.0, while Dell Technologies is ranked #5 with an average rating of 8.6. DataDirect Networks holds a 0.9% mindshare in AFS, compared to Dell Technologies’s 5.9% mindshare. Additionally, 87% of DataDirect Networks users are willing to recommend the solution, compared to 96% of Dell Technologies users who would recommend it.

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Executive SummaryUpdated on Sep 18, 2024

DDN IntelliFlash and Dell Unity XT are competitive products in the storage solutions market. Dell Unity XT seems to have a superior feature set, making it worth the price for users despite pricing and support being favored for DDN IntelliFlash.

Features: DDN IntelliFlash offers high performance, advanced data management, and flexible configurations. Dell Unity XT provides comprehensive data protection, seamless cloud integration, and robust performance. Users find Dell Unity XT’s feature set more extensive, while DDN IntelliFlash offers notable efficiency.

Room for Improvement: DDN IntelliFlash users suggest enhancing integration capabilities and scalability options. Dell Unity XT users recommend better documentation and improvements in reporting tools. Both products have specific technical aspects needing enhancement to better meet user expectations.

Ease of Deployment and Customer Service: DDN IntelliFlash deployment is praised for simplicity and responsive customer service. Dell Unity XT deployment is straightforward but receives mixed reviews regarding customer service efficiency and support responsiveness.

Pricing and ROI: DDN IntelliFlash is seen as cost-effective with a quicker ROI, appealing to budget-conscious buyers. Dell Unity XT, while more expensive, offers strong long-term value and return on investment due to its advanced features. Pricing varies, but users find Dell Unity XT's higher cost justified by its capabilities.

To learn more, read our detailed DDN IntelliFlash vs. Dell Unity XT Report (Updated: February 2026).

Buyer's Guide

DDN IntelliFlash vs. Dell Unity XT

February 2026

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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

Mindshare comparison

As of March 2026, in the All-Flash Storage category, the mindshare of Pure FlashArray X NVMe is 1.6%, up from 0.8% compared to the previous year. The mindshare of DDN IntelliFlash is 0.9%, up from 0.4% compared to the previous year. The mindshare of Dell Unity XT is 5.9%, down from 8.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

All-Flash Storage Market Share Distribution
Product	Market Share (%)
Dell Unity XT	5.9%
Pure FlashArray X NVMe	1.6%
DDN IntelliFlash	0.9%
Other	91.6%

All-Flash Storage

Featured Reviews

Jaehoon Oh

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.

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Anil Rahulwar

Storage Engineer at Movate

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.

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Deepak Kannan

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.

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Quotes from Members

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

Pros

"FlashArray has some fresh efficiency features. I've never seen a storage solution with a compression rating this high before. It's at least 4-to-1 on Oracle databases. It's the best flash storage for Oracle."

"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 tool's valuable features are speed, security, data compression, and reliability. Its data compression feature is the best that we have ever seen. It helps us to save money and resources."

"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 system allows for seamless learning experiences, facilitating quick and easy cloning of environments within minutes."

"The most valuable feature of this solution is its ease of use."

"It offers competitive performance, and the Evergreen storage model of Pure fits well with my organization."

"The initial setup was extremely simple and straightforward."

More Pure FlashArray X NVMe pros

"Data Compression: Up to 80% space reduction in the database"

"EasyTier/hotcaching: Valuable because it allows greater performance than standard SAS disks"

"It has reduced our electricity usage by reducing the amount of disks needed for the virtual environment."

"High performance and ease-of-management are the most valuable features."

"It provides a combination of all the protocols that you need, without losing deduplication and compression."

"We use IntelliFlash products for larger environments, like Qatar Airways."

"It's very fast. We were seeing read latencies of less than one millisecond. It is robust."

"The initial setup is straightforward."

More DDN IntelliFlash pros

"The solution allows for easy, useful replication with good features for VPLEX and VIVO."

"The hardware itself, it differs from Compellent and differs from the VNX before it. It doesn't have a separate file harbor that goes with it, there are no separate NAS heads. It's 2U, you have file and block storage, so you get a quite a lot of services for a small footprint."

"We can sleep at night because the support is great."

"The Snapshot feature is key."

"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."

"The scalability is really good now that they have the Dynamic Pools. We don't always have the money to buy complete write sets when we have to expand the storage, so now with the Dynamic Pools we can add disks on the go."

"We use it to implement all our VDI solutions."

"It's a much smaller footprint than our older storage arrays, which take up some six tiles, a lot of space in the data center. The Unity's are a lot smaller, and they're a lot faster."

More Dell Unity XT pros

Cons

"Efficiency improvements would always be welcome, but I'm not sure if they could get more efficient."

"They could add more support for file storage and different types of storage."

"In the future, I would like to see integration with enterprise backup systems."

"Maybe the price can be reduced since the solution is very expensive."

"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."

"We've seen that when we create a POD in synchronous mode, it increases the latency."

"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."

"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."

More Pure FlashArray X NVMe cons

"Performance is horrible now. Our original intent was to buy new storage in about two years. But since it became a critical urgency for us, we decided to purchase a new one in two or three months."

"In future releases, I look forward to more AI features."

"Technical support is bad. It'd grade them at 30% or 40%. The response time is terrible."

"We had just one small stability problem with power flapping and it did not start up again automatically. We had to access service ports and manually restart the storage processors."

"Snapshots are not as easy to access as on a NetApp device."

"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."

"It's somewhat scalable, but maybe not so much as some of the competition."

"It only keeps one hour of real-time data without the ability to do deep analysis of each element."

More DDN IntelliFlash cons

"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."

"It should be lighter. It takes up a ton of rack space. It would be nice to have a smaller footprint."

"Things that could be improved include one-to-many replication, data deduplication, and asynchronous Fibre Channel replication. It is asynchronous on iSCSI and I would like to have that on the Fibre Channel. Unisphere-wise, I have to log in to each Unity as a unique environment. In VNX, I logged in to the domain and I was logged in to every VNX. So that's missing."

"In the dashboard there could be notification of duplicate files and the like, so we don't have to rely on Windows to do that."

"This product has some scalability issues. Before you can get support, you have to look for the service tag number on your product which could make it difficult to access support."

"This solution could be improved by offering containerization. This is something many of my customers are looking for."

"They should have more wizards for customers so they can do more of the self-service types of functions, in terms of upgrades and patching, although it's pretty easy right now."

"I would like the device to have the ability to pull down its own firmware. That would be a great thing."

More Dell Unity XT cons

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."

"The support cost per array is about $20,000 a year for 24/7 support."

"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."

"Pure FlashArray X NVMe’s pricing is cheaper than other products."

"The product is expensive."

"As far as the licensing costs, everything is included in the license."

"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."

"Given its price, Pure is not the first option."

More Pure FlashArray X NVMe pricing and cost advice

"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."

"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 price of Dell Unity XT could improve. However, it is a one-time purchase."

"Most licenses for the solution are free but upgrades are available when adding additional software or storage."

"This solution offers great pricing."

"It is priced at around or under $50,000."

"The price is very reasonable."

"There is not a license required for the use of the solution. We purchased a maintenance contract."

"The only improvement would be a lower cost per unit/disks, however on the whole we are very pleased with this product."

More Dell Unity XT pricing and cost advice

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Top Industries

By visitors reading reviews

Computer Software Company

12%

Manufacturing Company

11%

Financial Services Firm

10%

Government

Computer Software Company

12%

Manufacturing Company

10%

Healthcare Company

Construction Company

Computer Software Company

14%

Manufacturing Company

11%

Financial Services Firm

Comms Service Provider

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	15
Midsize Enterprise	11
Large Enterprise	12

By reviewers
Company Size	Count
Small Business	8
Midsize Enterprise	2
Large Enterprise	3

By reviewers
Company Size	Count
Small Business	62
Midsize Enterprise	49
Large Enterprise	94

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.

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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...

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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 ...

See all answers

What is your experience regarding pricing and costs for IntelliFlash?

It is a bit cheaper than other products, 10% to 20% cheaper.

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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...

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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...

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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...

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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...

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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...

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Comparisons

Dell PowerStore vs Pure FlashArray X NVMe

Compared 14% of the time

Dell PowerMax vs Pure FlashArray X NVMe

Compared 11% of the time

HPE Alletra Storage vs Pure FlashArray X NVMe

Compared 10% of the time

TrueNAS R-Series vs Pure FlashArray X NVMe

Compared 8% of the time

IBM FlashSystem vs Pure FlashArray X NVMe

Compared 4% of the time

More Pure FlashArray X NVMe Competitors

VAST Data vs DDN IntelliFlash

Compared 25% of the time

NetApp AFF vs DDN IntelliFlash

Compared 9% of the time

Tintri VMstore T7000 vs DDN IntelliFlash

Compared 8% of the time

Dell PowerMax vs DDN IntelliFlash

Compared 8% of the time

More DDN IntelliFlash Competitors

Dell PowerStore vs Dell Unity XT

Compared 33% of the time

NetApp AFF vs Dell Unity XT

Compared 12% of the time

Pure Storage FlashArray vs Dell Unity XT

Compared 9% of the time

Hitachi Virtual Storage Platform vs Dell Unity XT

Compared 5% of the time

HPE Alletra Storage vs Dell Unity XT

Compared 4% of the time

More Dell Unity XT Competitors

Product Reports

Buyer's Guide

Pure FlashArray X NVMe

February 2026

Download Pure FlashArray X NVMe product report

Buyer's Guide

DDN IntelliFlash

February 2026

Download DDN IntelliFlash product report

Buyer's Guide

Dell Unity XT

February 2026

Download Dell Unity XT product report

Also Known As

Pure FlashArray//X NVMe, Pure FlashArray//X, FlashArray//X

Tegile, IntelliFlash N-Series, IntelliFlash T-Series, IntelliFlash HD-Series

EMC Unity, Dell EMC Unity

Overview

Pure Storage FlashArray//X is the world’s first enterprise-class, all-NVMe flash storage array. It represents a new class of storage – shared accelerated storage, which is a term coined by Gartner – that delivers major breakthroughs in performance, simplicity, and consolidation.

Pure Storage

Western Digital through its IntelliFlash arrays delivers high-performance storage with a complete range of features and connectivity options, including inline compression and deduplication, application and VM consistent snapshots, replication, RAID, data encryption, VMware vCenter integration, and multi-protocol support for SAN (FC, iSCSI) and NAS (NFS, SMBv3). IntelliFlash arrays deliver high availability through dualredundant and hot-swappable components, active/active or active/passive controllers, non-disruptive software upgrades, eMLC flash, and proactive cloud-based monitoring, analytics, and intelligence. A RESTful API provides scripted or programmatic control.

DataDirect Networks

Dell EMC Unity XT is one of the best all-flash storage arrays on the market today. Dell EMC Unity XT arrays are designed for performance, optimized for efficiency, and built for a multi-cloud world. In addition, they support digital transformation, enabling businesses to reach the full potential of their data capital quickly and easily. Dell EMC Unity’s All-Flash and Hybrid Flash storage platforms provide the performance, efficiency, enterprise-class software, and virtualization integrations required for running a wide range of virtualized applications.

Dell EMC Unity XT Features

Dell EMC Unity XT has many valuable key features, including:

Unified storage flexibility: With Dell EMC Unity XT you can consolidate separate storage platforms into a single Unity XT unified storage system via a simple and intuitive (HTML5) management GUI that also connects you to CloudIQ.
All-inclusive data protection: Dell EMC Unity XT offers a reliable way to protect application data with all-inclusive data protection services, including snapshots, data-at-rest drive encryption, replication, thin clones, and dynamic pools.
Software-defined solutions: Dell EMC Unity XT provides software-defined storage and HA for on-prem and in the cloud solutions.
Multi-cloud alignment: With Dell EMC Unity XT you have the ability to build and manage an effective data-first multi-cloud strategy. It allows you to consolidate public and private cloud resources that align with your business goals.
Metro node: This feature enables automated business continuity with zero RPO and RTO. It also provides greater flexibility through multi-platform support and replication to any array and has zero performance impact on the storage array.
Scalable file system: Dell EMC Unity XT is built with a robust 256TBu file system. The UFS64 file system includes up to 256 independent VMDK clones, 16 thin clones, space efficient snapshots with a simple space reclaim and low IO impact, file system shrink that can reclaim free blocks, simplified Quotas for User, and much more.
DevOps integrations: Dell EMC Unity XT supports the Container Storage Interface (CSI) plugin to run Kubernetes workloads.

Dell EMC Unity XT Benefits

Some of the benefits of using Dell EMC Unity XT include:

High-speed data access
Low latency
Dual-active controller architecture
Multi-cloud
Intuitive user interface
Cost efficient
Solid performance

Reviews from Real Users

Below are some reviews and helpful feedback written by Dell EMC Unity XT users.

A Systems Engineering Manager at a manufacturing company says, "It is definitely one of the most robust, solid, well-performing products that I have dealt with. It is set it and forget it, which is pretty amazing." He also mentions, “We can do both block and file storage on one unit without purchasing a separate device.”

Peter S., Senior Technical Specialist at a healthcare company, states, “The most valuable feature is reliability. At the end of the day, it just runs. This solution is easy to work with and easy to maintain.”

PeerSpot user Melvin T., Senior Systems Engineer at Prosperity Bank, explains that the solution is “easy to use and we can add LUNs or space without interruption to end-users. We're able to access it from just about anywhere, as long as we have access to a browser. That feature is really neat because sometimes we will go to a different data center or a different site, and if we need to access it to see a LUN or to see any type of storage, we can do that. That's one of the big takeaways with Unity."

Dell Technologies

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

Buyer's Guide

DDN IntelliFlash vs. Dell Unity XT

February 2026

Free Report: DDN IntelliFlash vs. Dell Unity XT

Find out what your peers are saying about DDN IntelliFlash vs. Dell Unity XT and other solutions. Updated: February 2026.

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