Dell PowerScale (Isilon) vs NetApp Private Storage comparison

Dell Technologies and NetApp are both solutions in the NAS category. Dell Technologies is ranked #2 with an average rating of 8.7, while NetApp is ranked #13 with an average rating of 8.0. Dell Technologies holds a 15.4% mindshare in N, compared to NetApp’s 2.4% mindshare. Additionally, 97% of Dell Technologies users are willing to recommend the solution, compared to 100% of NetApp users who would recommend it.

Dell PowerScale (Isilon)

Read 76 Dell PowerScale (Isilon) reviews

11,193 Views
5,597 Comparison Views

97% willing to recommend

NetApp Private Storage

Read 15 NetApp Private Storage reviews

768 Views
768 Comparison Views

100% willing to recommend

Dell PowerScale (Isilon)

NetApp Private Storage

Comparison Buyer's Guide

Download the report

Executive SummaryUpdated on Nov 7, 2024

Dell PowerScale and NetApp Private Storage are prominent in the storage category, each offering notable benefits. Dell PowerScale stands out for its scalability and ease of management, providing enhanced features while requiring minimal IT resources. This advantage is highlighted by superior user feedback on scalability and support.

Features: Dell PowerScale offers key features such as policy-based file placement, SmartQuotas, and InsightIQ, enhancing storage utility and performance. The system supports scalable access from multiple hardware platforms, and continual OS improvements come without new licensing, making it a comprehensive storage solution. NetApp’s unified storage system is highly flexible with strong integration capabilities, providing backwards compatibility and robust cloud integration features.

Room for Improvement: Dell PowerScale could improve cloud integration with easier updates and more node options for smaller offices. Enhancements to the WORM feature and InsightIQ’s reporting are also needed, as well as expanding HTTP data protection. NetApp should focus on simplifying configuration and addressing support challenges. Making licensing less complicated would also be beneficial for user satisfaction.

Ease of Deployment and Customer Service: Dell PowerScale and NetApp Private Storage primarily support on-premises deployment, with Dell PowerScale proving more adaptable to hybrid cloud environments. Dell’s technical support is generally well-regarded, though some users experience initial assistance challenges. NetApp support is inconsistent, often requiring escalation to resolve issues satisfactorily.

Pricing and ROI: Both Dell PowerScale and NetApp Private Storage are perceived as costly, but Dell's flexible licensing and comprehensive features offer a compelling ROI. Dell users find value in long-term cost efficiency and reduced administrative workload, while NetApp users appreciate reliability and integration, despite finding the pricing steep.

To learn more, read our detailed Dell PowerScale (Isilon) vs. NetApp Private Storage Report (Updated: February 2026).

Buyer's Guide

Dell PowerScale (Isilon) vs. NetApp Private Storage

February 2026

Download the complete report

Helped 881,455 peers since 2012

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

8.8

Reviews Sentiment

7.1

Number of Reviews

Ranking in other categories

File and Object Storage (2nd)

NetApp Private Storage

Ranking in NAS

13th

Average Rating

8.6

Reviews Sentiment

6.7

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of February 2026, in the NAS category, the mindshare of Dell PowerScale (Isilon) is 15.4%, down from 17.6% compared to the previous year. The mindshare of NetApp Private Storage is 2.4%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

NAS Market Share Distribution
Product	Market Share (%)
Dell PowerScale (Isilon)	15.4%
NetApp Private Storage	2.4%
Other	82.2%

NAS

Featured Reviews

Bill Engelmeyer

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.

Read full review

Atilla Celiloglu

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.

Read full review

Quotes from Members

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

Pros

"The product's scalability feature is super easy to use."

"My experience with Dell as a vendor is pretty good; they are probably one of the best in the industry."

"The stability of the solution is good."

"Dell PowerScale helps in saving costs related to power and rack space, reducing physical hardware from over one hundred to twenty-nine chassis."

"The guaranteed performance, combined with the scalability through its scale-out capability, makes it an excellent choice."

"PowerScale has made it extremely easy to scale file data across our organization. We have two implementations of Isilon. One is a replica of the other. When scaling, we add nodes to each location and expand the cluster. The process is straightforward."

"The most valuable feature is its single space of storage."

"The features of Dell PowerScale (Isilon) that I appreciate the most include the scale of architecture and the way it is designed, which benefit my company by providing less downtime and less overhead."

More Dell PowerScale (Isilon) pros

"Very stable and very scalable."

"The most valuable feature is integration."

"NetApp has really added a lot of features over the years to improve the product and performance. They can do things now like control ingress. They can control egress."

"The solution scales well."

"NetApp has its own dedicated operating system, so it will not be affected by any wireless piggybacking or malware. That's the beauty of NetApp's operating system."

"Disaster recovery. And I like the security very much. I think they have the needed options for security. Can manage NPS using the same tools and process that we use today."

"It gave us a platform which could clearly arrange all our files and volumes."

"As opposed to cloud, we have full control over security, use, who uses it. We own a number of different companies, so we can partition however we want."

More NetApp Private Storage pros

Cons

"Perhaps if there was a local chatbot built within the system or on the dashboard where we could directly ask for anything on the OneFS, it could help us."

"Pricing is an issue. It's quite expensive for the amount of storage we have."

"Dell's customer service needs improvement. Specifically, hardware failures under warranty should be addressed within the promised timeline."

"The product needs to improve CLI since commands are complex. The search option is also difficult since you must give the full path."

"The support offered by the product is an area of concern where improvements are required."

"Because of the magic that it does 'under the hood,' it is very difficult to find out within the system where all your storage is going. That's a little bit of a ding that we have on it. It does so much magic in order to protect itself from drive failures or multiple drive failures, that it automatically handles the provisioning and storage of your data. But by doing that, finding out why a file of a certain size, or a directory of a certain size, is using more storage than is being reported in InsightIQ, is very difficult to discern."

"The UID mapping and how to configure mapping-related things is a struggle."

"Improvements could be made on the object storage side."

More Dell PowerScale (Isilon) cons

"It is not the fastest storage solution."

"The users find the new version's GUI complicated to use."

"The hardware does not last as long as it could with new software."

"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."

"I think that it should work better with Microsoft solutions, more integrated with Microsoft. We also need integrated NAS and block storage."

"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 solution could improve by having better support experts. For example, they do not have clear instructions on configuration."

"I would like to have the Active-Active feature. Some competitors already have it. I would like NetApp to add it to stay competitive."

More NetApp Private Storage cons

Pricing and Cost Advice

"The price of the solution is high."

"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 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 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."

"Price was also a significant factor in our decision to go with PowerScale. The team at EMC, now Dell EMC, came through with a highly competitive offer that tipped the scales towards their solution. There was only one other solution around the same price point, but it could not match PowerScale on features. That other solution is no longer on the market."

"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."

"Pricing for this solution is reasonable."

"The only drawback for us is that it's a large upfront investment. This was a huge decision for a startup company to make. It took a bit for us to get over the line on it, but we have not regretted it."

More Dell PowerScale (Isilon) pricing and cost advice

"We negotiate whatever deal we can get on the type of storage that it is, but it's totally under our control,."

"It is an expensive solution."

"The price could be lower."

"The product is costly."

"In general, I am pleased with the pricing, though it is a little high."

"NetApp Private Storage is cheaper here in India compared to other solutions, such as Dell."

"The price of NetApp Private Storage is similar to other solutions. There is typically an annual license required for this solution."

See which vendors are best for you

Use our free recommendation engine to learn which NAS solutions are best for your needs.

See recommendations

881,455 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Computer Software Company

11%

Manufacturing Company

11%

Financial Services Firm

Government

Financial Services Firm

10%

Manufacturing Company

10%

Computer Software Company

Educational Organization

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	17
Midsize Enterprise	20
Large Enterprise	42

By reviewers
Company Size	Count
Small Business	6
Midsize Enterprise	2
Large Enterprise	7

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.

See all answers

What is your experience regarding pricing and costs for Dell EMC PowerScale (Isilon)?

Regarding pricing, Isilon can be cost-efficient; if you are using more capacity nodes without needing more performance, it won't affect your budget much. However, multiple factors play a role in de...

See all answers

What needs improvement with Dell EMC PowerScale (Isilon)?

One downside of Dell PowerScale (Isilon) is that it is really complicated to configure. It is not something you can just sit down and do in an hour. It is time-consuming, and many companies that I ...

See all answers

What needs improvement with NetApp Private Storage?

See all answers

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....

See all answers

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.

See all answers

Comparisons

NetApp FAS Series vs Dell PowerScale (Isilon)

Compared 19% of the time

Pure Storage FlashBlade vs Dell PowerScale (Isilon)

Compared 10% of the time

Qumulo vs Dell PowerScale (Isilon)

Compared 6% of the time

Dell ObjectScale vs Dell PowerScale (Isilon)

Compared 5% of the time

VAST Data vs Dell PowerScale (Isilon)

Compared 5% of the time

More Dell PowerScale (Isilon) Competitors

QNAP NAS Storage vs NetApp Private Storage

Compared 17% of the time

NetApp FAS Series vs NetApp Private Storage

Compared 15% of the time

Hitachi NAS Platform vs NetApp Private Storage

Compared 10% of the time

Hitachi Virtual Storage Platform vs NetApp Private Storage

Compared 9% of the time

Qumulo vs NetApp Private Storage

Compared 8% of the time

More NetApp Private Storage Competitors

Product Reports

Buyer's Guide

Dell PowerScale (Isilon)

January 2026

Download Dell PowerScale (Isilon) product report

Buyer's Guide

NetApp Private Storage

January 2026

Download NetApp Private Storage product report

Also Known As

PowerScale, Dell EMC Isilon

NPS

Overview

Dell PowerScale leads in unstructured data management with unified file and object storage, massive scalability, security, and cloud adaptability, enhancing AI, analytics, and enterprise applications with exceptional performance and resilience.

Dell PowerScale Isilon provides a comprehensive platform for unstructured data, excelling in scalability, management, and performance. With features like single-pane management, SyncIQ, and SmartQuotas, it handles large datasets with flexibility and robust security. Its multi-protocol support and seamless expansion improve operational efficiency. While it offers strong data protection, enhancements in cloud integration, cybersecurity, and performance are sought. Users note potential for cost reductions and streamlined configurations and mention desired improvements in object storage handling and NFS support.

What are the key features of Dell PowerScale Isilon?

Single-pane management: Simplifies data control and monitoring through a unified interface.
SyncIQ: Ensures efficient data replication for business continuity.
SmartQuotas: Provides intelligent quota management for optimized storage allocation.
Multi-protocol support: Facilitates cross-platform data access and integration.
Seamless storage expansion: Allows effortless scaling to accommodate growing data needs.

What benefits should users consider when reviewing Dell PowerScale Isilon?

Operational efficiency: Reduces workload with easy management and automation.
Enhanced security: Offers comprehensive data protection and recovery options.
Scalability: Supports large-scale data storage with flexible growth capabilities.
Performance: Delivers high-speed data processing for demanding applications.
Integration flexibility: Adapts to on-prem and hybrid cloud environments for diverse deployment needs.

Organizations across industries utilize Dell PowerScale Isilon for large-scale unstructured storage, supporting applications like video archiving, genomic data storage, and high-resolution imaging. Educational institutions, research centers, and media enterprises rely on its scaled-out storage capabilities, providing centralized, secure storage for diverse applications in hybrid, cloud, and on-prem environments.

Dell Technologies

NetApp Private Storage (NPS) for Cloud is a family of enterprise storage solutions that lets you use multiple industry-leading clouds and maintain complete control over your data on dedicated storage systems from NetApp.

NetApp

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

Buyer's Guide

Dell PowerScale (Isilon) vs. NetApp Private Storage

February 2026

Free Report: Dell PowerScale (Isilon) vs. NetApp Private Storage

Find out what your peers are saying about Dell PowerScale (Isilon) vs. NetApp Private Storage and other solutions. Updated: February 2026.

DOWNLOAD NOW

881,455 professionals have used our research since 2012.

See our Dell PowerScale (Isilon) vs. NetApp Private Storage report.

See our list of best NAS vendors.

We monitor all NAS reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.