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DDN IntelliFlash vs Nutanix Unified Storage (NUS) 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
18th
Ranking in NVMe All-Flash Storage Arrays
6th
Average Rating
9.0
Reviews Sentiment
6.7
Number of Reviews
36
Ranking in other categories
No ranking in other categories
DDN IntelliFlash
Ranking in All-Flash Storage
26th
Ranking in NVMe All-Flash Storage Arrays
12th
Average Rating
7.6
Reviews Sentiment
5.9
Number of Reviews
12
Ranking in other categories
No ranking in other categories
Nutanix Unified Storage (NUS)
Ranking in All-Flash Storage
7th
Ranking in NVMe All-Flash Storage Arrays
4th
Average Rating
8.8
Reviews Sentiment
7.2
Number of Reviews
117
Ranking in other categories
Software Defined Storage (SDS) (2nd), Public Cloud Storage Services (4th), File and Object Storage (3rd)
 

Mindshare comparison

As of March 2026, in the All-Flash Storage category, the mindshare of Everpure 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 Nutanix Unified Storage (NUS) is 1.2%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
All-Flash Storage Mindshare Distribution
ProductMindshare (%)
Nutanix Unified Storage (NUS)1.2%
Pure FlashArray X NVMe1.6%
DDN IntelliFlash0.9%
Other96.3%
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.
Amarnath Charugundla - PeerSpot reviewer
System Engineer at Tata Consultancy
Unified management and cost-effectiveness lead to positive experiences and future savings
Improvement is necessary wherein the memory or storage should not breach 90%, because if breached, it becomes unmanageable. We have to set alerts or CPU triggering for 95% for the first warning. Other activities on nodes or file systems should be properly maintained. We must monitor the dashboard for P1, P2 alerts in the Nutanix Unified Storage (NUS) file share system including SMB, NFS, objects, and blocks. Attention should be maintained for any alerts such as CPU, memory, and RAM alerts, as exceeding these creates issues within teams. If triggered to 95% and forgotten, it crosses the SLA breach, causing disturbances to application, web, and platform teams. Continuous monitoring on the Nutanix dashboard is essential. Even a highly experienced person in Nutanix Unified Storage (NUS) cannot provide a 10 rating out of 10 because it is a vast system. I would rate it eight from my perspective.

Quotes from Members

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

Pros

"Offers excellent features like efficient data reduction, a reliable SafeMode, and a great support model for continuous assistance and updates."
"Pure FlashArray X NVMe has low latency and high Ops. It is an evergreen model."
"One of the best features is the support, which is excellent."
"Pure FlashArray X NVMe helps to improve our processing speed. It is user-friendly and easy to use."
"I appreciate the performance."
"It has good, reliable, fast storage."
"The cost for Pure may be high, but the reliability and scalability make it well worth the money."
"The administration and the stability are very good."
"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."
"It has reduced our electricity usage by reducing the amount of disks needed for the virtual environment."
"It's very fast. We were seeing read latencies of less than one millisecond. It is robust."
"After five years, the cost decreases over 30% and the performance increases over 50%."
"EasyTier/hotcaching: Valuable because it allows greater performance than standard SAS disks Cheaper than pure solid state without needing to actively manage where the data is located."
"It performed great originally, and when it performed great, it was awesome."
"High performance and ease-of-management are the most valuable features."
"Data Compression: Up to 80% space reduction in the database"
"The most valuable feature is that it is highly available, solving the pain-point of delaying updates to Windows-based file servers during production hours. And then the second one would be ransomware protection and analytics. It gives you great visibility and protection on your file shares that are otherwise the most common sources of vulnerabilities."
"Redundancy and availability are valuable. We have several nodes, so it stays up, and there is redundancy. Then there is availability."
"The deployment was very easy."
"The Nutanix block files are the most valuable feature."
"In the beginning, when they sold us Nutanix Unified Storage (NUS), they told us the performance would be 30%. Then we came to them and said, 'You are a liar. It's not 30%, it's 800% increase.'"
"The aspect of the product that I like the most is its simplicity."
"Nutanix Unified Storage is easy for end users to access. They can use it like any other drive on their systems. We have mapped it in the user system so they can scan files and store them. They can use it just like an Android drive."
"For somebody like me who grew up building what others call three-tier and I call traditional architecture, the valuable thing is that you can now buy it. You can have new deployments and infrastructure up and running with very little infrastructure behind it."
 

Cons

"I'd like to see the product implement active replication for vehicles such as VMware."
"One area that I haven't been sold on yet is the POD replication."
"The software layer has to improve."
"There is room for improvement in the pricing of the product."
"The only area I wish to see improve, I believe is coming, is in the FlashBlade product."
"Many options to check performance, like read, writes, random writes, and random reads, are missing in Pure FlashArray X NVMe."
"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."
"I want to see Pure Storage not only be for fast storage, but I want to see it be for the entire data center."
"They need to offer better integration for a virtual platform to enable you to create hyper-converged solution."
"In future releases, I look forward to more AI features."
"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."
"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."
"It only keeps one hour of real-time data without the ability to do deep analysis of each element."
"I would say it's somewhat scalable, maybe not so much as some of the competition, but we don't really care."
"It's annoying that if you turn on SMB3 (as opposed to the earlier CIFS protocol), then it is not possible to access a file store using a mixture of SMB and NFS."
"I hope Nutanix Unified Storage (NUS) will improve the clarity of the licensing uses and enhance the reporting and analytics, which are not sufficient."
"Nutanix Unified Storage (NUS) can be improved involve the limitations I've seen in Files Analytics, specifically to the number of FSVMs today that File Analytics can analyze."
"From the speed perspective of Nutanix Unified Storage (NUS), it could enhance some features to make it the best storage solution in the market."
"The pricing can be quite high."
"The solution should increase its storage capabilities, as it has been required to make use of local data storage and local pockets and magnets."
"The pricing could be improved."
"The training programs could be improved. It's quite challenging to find adequate learning resources online, as there isn’t much available on the internet or YouTube."
"From a management side, the one thing I would prefer is if it were a bit less expensive for smaller enterprises. It's a bit costly. If they provided flexible modules where you could pick and choose features, and only pay for what you use, that would be an improvement."
 

Pricing and Cost Advice

"As far as the licensing costs, everything is included in the license."
"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."
"We pay approximately $50,000 USD per year in licensing fees."
"With VMware, we pay $300,000 annually."
"The product is expensive."
"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."
"Given its price, Pure is not the first option."
"I recommend the full bundle software in order to have all the functionality. It is more expensive to purchase it one by one."
"I think we pay around 100 grand per year for three arrays or four arrays."
"For clients running Nutanix, the licensing cost for Files is a small add-on cost."
"It's not the cheapest solution. It's in line with other solutions, but it offers features that the competitors don't have at any price point, especially with regard to analytics and ransomware prevention. No one else has any sort of object-based storage available. Nutanix Unified Storage is a lot more feature-rich. This is a situation where you get what you pay for."
"Nutanix Unified Storage pricing is reasonable."
"The solution is highly-priced."
"The price of the license is expensive when comparing it to traditional storage."
"The pricing of Nutanix is generally higher compared to other vendors, which is a common observation, but it provides value through its support and features offered to customers."
"Nutanix Unified Storage was cheaper than other solutions we evaluated."
"The product is pricey."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Manufacturing Company
11%
Financial Services Firm
10%
Government
6%
Manufacturing Company
12%
Computer Software Company
12%
Healthcare Company
8%
Construction Company
7%
Computer Software Company
17%
Manufacturing Company
12%
Financial Services Firm
6%
Comms Service Provider
5%
 

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 Business27
Midsize Enterprise31
Large Enterprise67
 

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 do you like most about Nutanix Unified Storage?
Nutanix has excellent product documentation available on their portals, written in simple, easy-to-understand language.
What is your experience regarding pricing and costs for Nutanix Unified Storage?
Nutanix Unified Storage (NUS) helps to reduce the total cost of ownership in general. However, I am getting complaint...
What needs improvement with Nutanix Unified Storage?
I hope Nutanix Unified Storage (NUS) will improve the clarity of the licensing uses and enhance the reporting and ana...
 

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
Nutanix Files Storage, Nutanix Volumes Block Storage, Nutanix Objects Storage
 

Overview

 

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company
Bank of Stockton, Barnsley College, Boyes Turner, Brigham Young University
JetBlue, International Speedway Corporation, Volkswagen SAIC, Brighton and Hove City Council, Foresters Financial, Janus International Group, Cloud Comrade, Serco
Find out what your peers are saying about DDN IntelliFlash vs. Nutanix Unified Storage (NUS) and other solutions. Updated: March 2026.
884,976 professionals have used our research since 2012.