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Dell PowerScale (Isilon) vs Pure Storage Evergreen One comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 4, 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 Storage FlashBlade
Sponsored
Ranking in File and Object Storage
8th
Average Rating
8.8
Reviews Sentiment
7.8
Number of Reviews
38
Ranking in other categories
All-Flash Storage (15th), Software Defined Storage (SDS) (8th)
Dell PowerScale (Isilon)
Ranking in File and Object Storage
2nd
Average Rating
9.0
Reviews Sentiment
7.4
Number of Reviews
66
Ranking in other categories
NAS (2nd)
Pure Storage Evergreen One
Ranking in File and Object Storage
14th
Average Rating
9.0
Reviews Sentiment
7.6
Number of Reviews
4
Ranking in other categories
Cloud Storage (15th), Managed Cloud Services (2nd)
 

Mindshare comparison

As of August 2025, in the File and Object Storage category, the mindshare of Pure Storage FlashBlade is 5.8%, down from 6.3% compared to the previous year. The mindshare of Dell PowerScale (Isilon) is 8.8%, up from 8.2% compared to the previous year. The mindshare of Pure Storage Evergreen One is 0.4%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
File and Object Storage
 

Featured Reviews

Eric Black - PeerSpot reviewer
The ability to leverage multi-tenancy along with immutability is a huge benefit for us
The only thing I feel FlashBlade is missing is the SOS API. If it had SOS API, that would put it well over the top. Veeam Backup specifically has started to streamline their API, and they are doing that with SOS API. They have optimized it. Any of the S3 devices out there that support this SOS API can have far more API calls at once. On our side, that translates to better restoration. With SOS API, it can leverage far more restorations at a single given time or read from the device in simple terms. That results in maximizing the output and throughput from the device itself.
Scott Taylor - PeerSpot reviewer
Manages large data sets efficiently with hybrid cloud integration
My organization is quite large, with about 30,000 employees. The growth has been substantial in areas such as radiology and genomics. One of the best features we've utilized recently is offload to cloud pools due to capacity constraints on-premise. We didn't want to expand Dell PowerScale (Isilon) straight away, so we utilized cloud pools to offload some data to Azure. That's really saved us in certain areas as we didn't have funding to expand Dell PowerScale (Isilon) until next year, which is why we utilized the cloud pools functionality to offload.
Michael-Daniel - PeerSpot reviewer
Exceptional speed improves performance with short and long-term storage
We are using it in-house for our data center to run all of our VMware environment and our VDI environment on. Infrastructure consumption, as well as short-term and long-term storage, is included The speed of the product is quite a bit better in performance than the previous environment we were…

Quotes from Members

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

Pros

"It helps simplify our storage, because the user interface is very simple and the installation is easy."
"The initial setup is pretty quick."
"Approximately 40% to 50% of my time is saved using Pure Storage FlashBlade compared to different products."
"Speed and ease of use are the two most valuable features."
"Among its most appealing features are its ease of handling and minimal maintenance requirements."
"The product is scalable and easy to expand."
"Pure Storage FlashBlade is user-friendly. It's replication feature is great because it has active replication and active DR. That's the beauty of the product. It's a perfect solution for block storage."
"The most valuable feature is Safe Mode."
"This is the best platform that we could have for storage utilization. It is affordable and scalable. At the end of the day, it's something that we find very easy to use."
"The solution allows me to use SSMDS to store data for end users and share it within different locations."
"PowerScale helped free up our employees' time to focus on other business priorities. There are now automated jobs such as backing up and replicating data, that reduce the footprint we have. Those types of tasks were previously done manually."
"For maximizing storage utilization, PowerScale is great. When you write the data to it, it spreads it out to all the nodes, so you get all the performance from the entire pool."
"My experience with Dell as a vendor is pretty good; they are probably one of the best in the industry."
"The guaranteed performance, combined with the scalability through its scale-out capability, makes it an excellent choice."
"PowerScale allows us to manage storage without managing RAID groups or migrating volumes between controllers. It has really simplified things. We're not having to worry about the underlying infrastructure. That takes care of itself. We just worry about the data. It's really easy for deploying and managing storage at the petabyte scale."
"The most valuable feature of the solution is its performance."
"We have snapshots. We put snapshots on disks, and we can save information. In the case of ransomware, everything is in the snapshot. We have a snapshot lock on it, so it's safe."
"The speed of the product is quite a bit better in performance than the previous peer environment we were running on, and it seems to have a better feature set."
"The Evergreen program is excellent, and the pricing is quite reasonable. My friends who work there are doing very well and consistently achieving strong results. Like any company, they experience occasional downturns but perform impressively overall."
"Pure Storage has the highest Net Promoter Score in the market."
"The speed of the product is quite a bit better in performance than the previous environment we were running on, and it seems to have a better feature set."
 

Cons

"I would like to see the licensing fees improved as well as the price per terabytes."
"I have not seen ROI."
"Recently, while upgrading the version code, one of the controllers failed. Replacing the controller took between 14 to 20 days."
"Commvault has mainly driven the Analytics, providing data and reports. However, the product has room for improvement, especially regarding storage analytics. Upgrading firmware has caused issues, requiring feature disabling to revert to traditional backups. The firmware upgrades sometimes affect Commvault backups."
"Pure Storage FlashBlade should improve on more cloud integration."
"In terms of technical support, the experience has been mixed. The support is done through email and is not that great, making it a very problematic area I've been dealing with for over four years."
"We initially encountered challenges with the assembly process due to issues with the documentation required during setup, an area where Pure Storage needs improvement."
"They need better integration with public clouds along with a better hybrid solution."
"The solution’s interface and pricing could be improved."
"Some improvements to the NFS support would be of interest to us."
"If I could improve one thing on Dell PowerScale (Isilon), it would be better object storage as it recently breached into S3, and that capability could be broadened."
"The solution can be a bit complex for those not well versed in the technology."
"I would like to see increased reporting and statistics functionalities."
"The product’s expansion capacity, pricing clarity, and ease of use need improvement."
"I would want to see more AI features with Dell PowerScale (Isilon)."
"Improvements could be made to reduce the costs and the high level of knowledge needed to maintain and use them. We had old hard drives with moving parts in Dell PowerScale, and due to this, we must switch to a more efficient environment with all-flash."
"Many customers report that the starting price is quite high. However, the overall total cost of ownership can be reduced over time due to features like the Evergreen architecture, which allows savings through less management and environmental benefits."
"The only potential drawback is that Pure Storage might be overkill if you don't need microsecond response times."
"I'm not sure if any improvements are needed."
"To me, I think it's a little expensive. Then again, you get what you pay for."
"It would be nice to have support in Swedish."
 

Pricing and Cost Advice

"In my opinion, we have paid the right price for the product. I don't think that it is too much or too little."
"I understand that it is competitively priced compared to other brands."
"We used a reseller for the purchase."
"I feel that the price could always be lowered."
"Support is a separate line item. Support is a different cost, but whatever your support is now, that's what you're going to pay forever. If your support's $100 today, six years from now it's $100. It doesn't fluctuate unless you upgrade it, or change it, etc."
"I rate the tool's pricing a seven to eight out of ten."
"The price could be cheaper."
"The pricing is relatively expensive due to the FlashBlade technology. However, for companies needing quick and reliable data access, the cost is justified."
"The pricing for this solution is reasonable."
"The price of the solution is high."
"The solution's licensing cost varies based on capacity and performance requirements."
"Dell PowerScale is expensive on the start-up side but we can recoup those costs quickly by not having to reapply the savings to other equipment."
"The price of the solution can fluctuate. The price can be competitive or other times not. The price of the solution could be better."
"This solution is priced slightly higher than others on the market but does offer good quality. With this solution's data reduction and compression, we were able to purchase less. Costs have dropped because of the data rate of compression and deduplication."
"We use the TNA approach which is a great opportunity for us to better manage the licenses based on how much consumption is available for the different customers so we can use that approach and scalability."
"The price of Dell PowerScale (Isilon) is reasonable."
"The pricing is very good."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Financial Services Firm
12%
Manufacturing Company
10%
Government
7%
Computer Software Company
13%
Manufacturing Company
11%
Financial Services Firm
9%
Healthcare Company
8%
Financial Services Firm
19%
Manufacturing Company
15%
Retailer
11%
Healthcare Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Pure Storage FlashBlade?
The tool's most valuable feature is its fast performance, especially in handling snapshots. It helps during power out...
What is your experience regarding pricing and costs for Pure Storage FlashBlade?
The pricing of Pure Storage FlashBlade is expensive compared to other products I used from other companies in the pas...
What needs improvement with Pure Storage FlashBlade?
I believe there is not much improvement needed because they have everything we need, but the interface is a little bi...
What do you like most about Dell EMC PowerScale (Isilon)?
The solution provides massive performance, scalability, efficiency, and ease of management.
What is your experience regarding pricing and costs for Dell EMC PowerScale (Isilon)?
It's considered between mid and high-end regarding. Dell usually knows how to position each model. If the customer wa...
What needs improvement with Dell EMC PowerScale (Isilon)?
With every iteration of the OneFS system, new features are being added, and the UI is being updated here and there. S...
What is your experience regarding pricing and costs for Pure Storage Evergreen One?
Initially, the starting price is high, but over time, due to reduced management needs and environmental savings, the ...
What needs improvement with Pure Storage Evergreen One?
Many customers report that the starting price is quite high. However, the overall total cost of ownership can be redu...
What is your primary use case for Pure Storage Evergreen One?
I am not a user of Pure Storage Evergreen One ( /products/pure-storage-evergreen-one-reviews ). I manage this brand i...
 

Also Known As

No data available
PowerScale, Dell EMC Isilon
No data available
 

Overview

 

Sample Customers

ServiceNow, Mercedes-AMG Petronas Motorsport, Dominos, Man AHL
OMRF, University of Utah, Translational Genetics Research Institute, Arcis, Geofizyka Torumn, Cyprus E&P Corporation, Colburn School, Columbia Sportswear, Harvard Medical School, University of Michigan, National Library of France,
1. Aetna 2. Adobe 3. ADP 4. Aflac 5. Allstate 6. Amazon 7. American Express 8. American Greetings 9. Ameriprise Financial 10. ATT 11. Autodesk 12. Bank of America 13. Barclay's 14. Baxter International 15. Berkshire Hathaway 16. BlackRock 17. Boeing 18. Bristol-Myers Squibb 19. Capital One 20. Caterpillar 21. Citigroup 22. Coca-Cola 23. Comcast2 4. ConocoPhillips 25. Constellation Brands 26. CVS Health 27. Dell 28. Disney 29. Dominion Energy 30. Eli Lilly and Company 31. Equinix 32. ExxonMobil
Find out what your peers are saying about Dell PowerScale (Isilon) vs. Pure Storage Evergreen One and other solutions. Updated: July 2025.
865,484 professionals have used our research since 2012.