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Dell PowerScale vs NetApp Private Storage 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
Ranking in NAS
1st
Average Rating
8.8
Reviews Sentiment
7.0
Number of Reviews
87
Ranking in other categories
File and Object Storage (2nd)
NetApp Private Storage
Ranking in NAS
11th
Average Rating
8.6
Reviews Sentiment
6.7
Number of Reviews
15
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the NAS category, the mindshare of Dell PowerScale is 14.5%, down from 17.8% compared to the previous year. The mindshare of NetApp Private Storage is 2.8%, up from 1.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
NAS Mindshare Distribution
ProductMindshare (%)
Dell PowerScale (Isilon)14.5%
NetApp Private Storage2.8%
Other82.7%
NAS
 

Featured Reviews

BE
Systems Engineer at Unisity LLC
Flexibility and reliability have supported seamless data growth
I cannot think of anything to improve about Dell PowerScale (Isilon). The hardest challenge we have is due to how we've bought things over time. The way that we moved to the PowerEdge platform for the newer systems creates a scale problem as I still buy the older style systems, which are more dense storage. They're different chassis, so the problem we run into in the data center is the depth of the actual equipment. The newer equipment, if we buy an FX910 or a 900, it's a lot shorter in scale than if I buy an 83,000, which is much bigger. This makes it more complicated for deployment.
Atilla Celiloglu - PeerSpot reviewer
Broadcast Technology Director at tv8
Has supported continuous broadcasting with reliable performance and consistent operations
They can make more solutions for cloud integration in NetApp Private Storage. It should be easier to use the cloud S3 integration, maybe from a NetApp interface, where users can choose the type of storage before sending to S3. I would like to see more audit and performance logs via cloud integrations and ONTAP. Without the need for separate software.

Quotes from Members

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

Pros

"What I appreciate about Dell PowerScale (Isilon) are its best features: it supports both file and object storage, and it is very easy to manage."
"Its scalability has been huge for us."
"The most valuable feature of Dell PowerScale is its scalability."
"I rate Dell PowerScale (Isilon) a ten out of ten, and we continue to keep buying it."
"The stability of the solution is good."
"On a scale of one to ten, with one being worst and ten being best, I would rate Dell PowerScale (Isilon) a ten."
"PowerScale, in our infrastructure, is really a winning piece because today we have three times the performance on the I/O at an affordable price while greatly improving the performance and reliability of our HPC storage."
"Eyeglass is used to monitor for malware, which is very useful for us."
"For recording and stability, NetApp Private Storage is the best."
"We feel that NetApp gave us a platform (base) which could clearly arrange all our files and volumes."
"The most valuable feature is integration."
"The most valuable feature is integration."
"NetApp is faster than other storage brands."
"The solution scales well."
"The most valuable feature of NetApp Private Storage is out-of-the-box integration with the SAN switches. They are much easier compared to Dell solutions. Additionally, the connector that comes with the solution that allows connection back to the Cisco SAN switches is very good. In Dell, I would need to use an FCIP or CIP port that is required."
"Its flexibility and ability to configure volumes is its most valuable aspect; I have no problem configuring the product for different kinds of use cases and configuring throughput or configuring some kind of logical volumes and so on."
 

Cons

"We lost our technical sales reps about two years ago. We haven't gotten one assigned to us and we'd love to have one."
"We have had issues with internal load balancing between some of the shelves. That is an ongoing issue that support is trying to address."
"The initial setup for this solution is complex."
"Isilon has limitations on the number of files that can be generated."
"Since our Dell PowerScale (Isilon) is our own on-prem in-house built system, we don't have many up-to-date resources, and we're still a few years behind."
"The hardest challenge we have is due to how we've bought things over time. The way that we moved to the PowerEdge platform for the newer systems creates a scale problem as I still buy the older style systems, which are more dense storage."
"The technical support is average. There are certainly not the best that we have ever dealt with, but far from the worst ones."
"PowerScale is not suitable for virtual environments."
"There is room for improvement in the support. It has been a problem for our team."
"I'm not sure how easy it is to use on the cloud versus on-prem. If they have different user experiences, they should work to make the two as similar as possible to make it easy for a user to understand both even if they only deal mainly with one."
"The one thing I've noticed with NetApp when you buy hardware and you can use it for a while and then you have to get new hardware."
"I would like to see the GUI management simplified in the next release."
"The hardware does not last as long as it could with new software."
"NetApp Private Storage is still integrated into the ISCSI connectivity and the FC protocol. I would recommend them to migrate to the FCIP because the SAN switches are moving further to an FCIP, and are scaling out of the ISCSI connectivity. Sooner or later, that will be an issue for NetApp Private Storage. An NFCIP should be available to them moving three years down the line."
"The price could be lower."
"The solution could improve by having better support experts. For example, they do not have clear instructions on configuration."
 

Pricing and Cost Advice

"The pricing is excellent."
"Dealing with the product costs and licensing areas is getting easier since Dell is simplifying the licensing process and licensing packages offered to users."
"Dell PowerScale is an expensive solution compared to other products like Qumulo."
"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."
"The pricing is expensive, but I think it's a fair value because it does manage itself. It definitely is much simpler than any of the other scale-out storage platforms that we've looked at in the past."
"We paid an additional fee to have Dell's ProDeploy Plus team implement it."
"Dell PowerScale (Isilon) is an expensive solution."
"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."
"The product is costly."
"NetApp Private Storage is cheaper here in India compared to other solutions, such as Dell."
"It is an expensive solution."
"In general, I am pleased with the pricing, though it is a little high."
"We negotiate whatever deal we can get on the type of storage that it is, but it's totally under our control,."
"The price of NetApp Private Storage is similar to other solutions. There is typically an annual license required for this solution."
"The price could be lower."
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Top Industries

By visitors reading reviews
Manufacturing Company
11%
Computer Software Company
9%
Financial Services Firm
9%
Government
8%
Financial Services Firm
11%
Construction Company
8%
Outsourcing Company
8%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business23
Midsize Enterprise21
Large Enterprise49
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise2
Large Enterprise7
 

Questions from the Community

What needs improvement with Dell EMC PowerScale (Isilon)?
I think Dell PowerScale (Isilon) could improve some functions such as Apache S3 or containerized storage support, as these aspects are not well-developed. Their support system is weak; many issues ...
What is your primary use case for Dell EMC PowerScale (Isilon)?
Our primary use cases include virtualization storage and external storage via NFS.
What needs improvement with NetApp Private Storage?
They can make more solutions for cloud integration in NetApp Private Storage. It should be easier to use the cloud S3 integration, maybe from a NetApp interface, where users can choose the type of ...
What is your primary use case for NetApp Private Storage?
It consists of a large production company and national television channels broadcasting 24/7. We wanted to choose a stable product with flawless SLA levels for an organization that broadcasts 24/7....
What advice do you have for others considering NetApp Private Storage?
I believe it will deliver the expected performance and stability for television channels and production studios. On a scale of 1-10, I rate NetApp Private Storage an 8.
 

Also Known As

PowerScale, Dell EMC Isilon
NPS
 

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,
ASE IT, Concerto Cloud
Find out what your peers are saying about Dell PowerScale vs. NetApp Private Storage and other solutions. Updated: April 2026.
895,272 professionals have used our research since 2012.