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Dell PowerScale (Isilon) vs Panasas ActiveStor comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 7, 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

Dell PowerScale (Isilon)
Ranking in NAS
2nd
Average Rating
9.0
Reviews Sentiment
7.4
Number of Reviews
67
Ranking in other categories
File and Object Storage (3rd)
Panasas ActiveStor
Ranking in NAS
21st
Average Rating
9.0
Reviews Sentiment
7.0
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2025, in the NAS category, the mindshare of Dell PowerScale (Isilon) is 16.2%, down from 17.1% compared to the previous year. The mindshare of Panasas ActiveStor is 1.0%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
NAS Market Share Distribution
ProductMarket Share (%)
Dell PowerScale (Isilon)16.2%
Panasas ActiveStor1.0%
Other82.8%
NAS
 

Featured Reviews

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.
MW
Easy to use and flexible with great performance
We primarily use the solution for our HPC projects, high-performance computing projects The product has proven itself to be stable. The performance is great.  We've found the product to be quite flexible. It is extremely easy to use.  The solution is quite expensive. The solution could offer…

Quotes from Members

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

Pros

"The solution has simplified management by consolidating our workloads. Rather than managing all the different workloads on different storage arrays, Windows Servers, etc., we just have one place per data centre where we manage all their unstructured data, saving us time."
"The most valuable feature for me is SyncIQ."
"The solution allows me to use SSMDS to store data for end users and share it within different locations."
"Since it can scale so easily, as long as I have money to buy more nodes, I can grow it as big as I need to. That is important in our business. As sequencing technologies continue to evolve, and as those technologies evolve, the amount of data generation never gets smaller. It just always seems to get bigger. This is one of the absolute key aspects: We can grow on demand without having to forklift stuff."
"It has allowed us to have more consistent quality controls. It has also allowed us to expand the number of servers in clients processing and accessing data, allowing us to get a lot bigger projects out the door."
"Dell PowerScale (Isilon) is a platform that is very easy for teams to work with."
"The solution's scalability is very good."
"The solution provides massive performance, scalability, efficiency, and ease of management."
"We've found the product to be quite flexible."
"I am impressed with the tool's performance and bandwidth."
 

Cons

"Some improvements to the NFS support would be of interest to us."
"If they integrated some functions, as they have on Data Domain with a cyber recovery vault, it would be ideal."
"Pricing is an issue. It's quite expensive for the amount of storage we have."
"There is room for improvement in its handling of object storage."
"I'd like to see more Iceland products in the cloud so that we can port our data into different environments if needed. I would also like to see a virtual appliance or software-defined Iceland product."
"It would be good to have synchronized mirroring between two clusters without using a third-party program."
"The solution isn't suitable for small environments or small customers."
"Sometimes, it takes too long to set up everything. That's something I would want them to improve."
"We have received complaints from customers that the tool is not easy to use. The tool's local technical service is slow. The solution is good for Linux customers and not for customers with other operating systems like Windows. The solution should provide storage without client software integration."
"The solution is quite expensive."
 

Pricing and Cost Advice

"The platform is not cheap. However, on the software side, you can choose what you want license. So, you can start your licensing with the features that you need, then after buying the platform add some other features."
"Our company finds the pricing high, but it decreases over time."
"The price of Dell PowerScale (Isilon) is reasonable."
"We paid an additional fee to have Dell's ProDeploy Plus team implement it."
"The general cost for a system like this is expensive. The total cost depends on your use case. You need to pay for every additional feature that you use."
"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 pricing for this solution is reasonable."
"It's a high-cost offering amounting to three or four million Swedish kronor, or about $400,000 or euros, for approximately 480 terabytes of storage."
"The solution's price is reasonable."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Manufacturing Company
11%
Financial Services Firm
9%
Government
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise17
Large Enterprise36
No data available
 

Questions from the Community

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)?
The cost is competitive with other vendors such as HP. I always compare prices between two vendors, and they are good in this situation.
What needs improvement with Dell EMC PowerScale (Isilon)?
Sometimes, it takes too long to set up everything. That's something I would want them to improve. The main challenge I face with it now is that my team is accustomed to using other vendors, and whe...
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Also Known As

PowerScale, Dell EMC Isilon
ActiveStor
 

Overview

 

Sample Customers

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,
Advanced Mask Technology Center Airbus Argonne National Laboratory The University of Texas at Dallas School of Arts Technology and Emerging Communication Башнефть Boeing Bosch California Academy of Sciences Caltech Canon Case Western Reserve University Conoco Phillips Deluxe DirecTV Fairfield Technologies United States Federal Reserve Garvan Institute of Medical Research Goodyear Halliburton Harvard Medical School Honeywell In-Depth Geophysical Intel Kawasaki Lockheed Martin 3M Magseis Fairfield Mammal Studios The Man Group McLaren Mercedes-Benz MINES ParisTech NASA US Navy National Biodefense Analysis and Countermeasures Center NBCUniversal National Institutes of Health Nio National Oceanic and Atmospheric Administration Northrup Grumman Novartis Partners Healthcare Procter & Gamble PGS Pratt & Whitney Rutherford Appleton Lab Siemens Sim International Sinopec Solers Square Cnix TGS Toyota Motorsport GMBH Toppan Turner UMass Medical School United Technologies University of Georgia University of California Los Angeles University of Minnesota University of Notre Dame University of California San Diego Center for Microbiome Innovation Whiskytree
Find out what your peers are saying about Dell PowerScale (Isilon) vs. Panasas ActiveStor and other solutions. Updated: November 2025.
872,846 professionals have used our research since 2012.