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Dell PowerScale (Isilon) vs NetApp StorageGRID 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:
 

ROI

Sentiment score
8.5
Pure Storage FlashBlade boosts ROI by reducing costs, enhancing efficiencies, increasing VM density, and saving 20%-85% in time.
Sentiment score
7.1
Dell PowerScale offers efficient scaling, simplified management, cost savings, and optimized resources, enhancing data storage performance and energy efficiency.
Sentiment score
1.0
NetApp StorageGRID lowers costs by eliminating tape libraries and improving efficiency, offering scalability and revenue-generating opportunities for customers.
It does not require much management once you set up correctly, so it saves time, allowing an admin to focus on other work.
Despite being more expensive than Huawei, it is stable and most enterprises accept the price due to its stability.
In terms of Dell PowerScale (Isilon) specifically, we have seen a return on investment due to faster performance than our last few storage arrays, and the general usability is a lot better.
The second cluster of Dell PowerScale (Isilon) gives us flexibility for small things like code upgrades, all the way to scenarios where we have lost this data center or data, allowing us to check if data is still intact on the other side.
 

Customer Service

Sentiment score
7.0
Pure Storage FlashBlade support is praised for responsiveness and knowledge but criticized for slower responses and occasional language barriers.
Sentiment score
8.2
Dell PowerScale support is praised for expertise and responsiveness, though users note issues with first-level support and systems complexity.
Sentiment score
7.2
NetApp StorageGRID support is efficient but has mixed reviews due to expertise gaps and reliance on self-support in small markets.
I would rate them an eight out of ten.
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.
Support online is definitely a ten out of ten.
Dell provides support within four hours, and they always fulfill their promises.
They have managed previous issues well.
When evaluating the technical support of NetApp StorageGRID, I would give it an eight out of ten.
I would rate the support for NetApp StorageGRID as eight out of 10.
That's due to the fact that we haven't implemented all the technical support facilities in NetApp.
 

Scalability Issues

Sentiment score
8.8
Pure Storage FlashBlade is praised for scalability, ease of expansion, and support, despite some areas needing improvement.
Sentiment score
7.4
Dell PowerScale offers scalable, flexible storage with seamless node integration, supporting large projects and diverse needs without downtime.
Sentiment score
7.3
NetApp StorageGRID is commended for seamless, non-disruptive scalability and effective handling of large data volumes in enterprise environments.
Pure Storage FlashBlade is scalable.
We started on PowerScale with around about 300 terabytes and are now two and a half petabytes, still on the same file system.
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.
Dell PowerScale is highly scalable, as evidenced by the reduced physical hardware and the efficient use of rack space.
The scalability of NetApp StorageGRID has been proven as we've expanded twice.
The scalability of NetApp StorageGRID rates an eight or nine out of ten.
 

Stability Issues

Sentiment score
8.8
Pure Storage FlashBlade is praised for its impressive stability and reliability, with minimal disruptions and consistent uptime even during upgrades.
Sentiment score
8.1
Dell PowerScale (Isilon) is praised for exceptional stability, robust performance, and ease of management with minimal disruptions.
Sentiment score
8.3
NetApp StorageGRID is valued for its reliable performance, redundancy, and effective support, with stability ratings of eight to nine.
In case there is any issue with any blade, the data is moved to another.
Since we have good protection levels, the data is secured and replicated across the disks.
I assess the stability and reliability of Dell PowerScale (Isilon) as perfect.
I find the product to be resilient and stable. There's no downtime and no crashes.
My impression of the stability of NetApp StorageGRID is quite high; from one to ten, I would rate it a nine.
We experienced very little stability issues.
 

Room For Improvement

Users seek better cloud integration, enhanced deduplication, improved support, protocol enhancements, simpler configuration, and a more intuitive interface.
Dell PowerScale faces challenges in cost, complexity, cloud integration, support, and performance, needing improvements in usability and efficiency.
NetApp StorageGRID's interface is complex, integration and pricing need improvement, and marketing and automated management require enhancement.
Technical support definitely needs significant improvement.
Its configuration should be easier.
Hardware failures under warranty should be addressed within the promised timeline.
I would want to see more AI features with Dell PowerScale (Isilon).
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.
They need to focus on a better upgrade path with easier and more resilient upgrades.
It would be great if it could fix internal issues itself without manual intervention.
In terms of functionality, reliability, and scalability, we are satisfied with NetApp.
 

Setup Cost

Pure Storage FlashBlade offers high performance and features, justifying its cost with no extra software fees and fixed support costs.
Dell PowerScale offers high initial costs but justifies investment through features, flexibility, and performance despite additional expenses.
NetApp StorageGRID is expensive yet cost-effective for large-scale storage, with flexible initial investment and negotiable annual licensing.
The pricing of Pure Storage FlashBlade is expensive compared to other products I used from other companies in the past, but one benefit is that they have built-in ransomware protection.
It's quite expensive for the amount of storage we have.
My experience with pricing, setup costs, and licensing for Dell PowerScale (Isilon) shows it's a premium platform, so it's a big amount of money.
The pricing is excellent.
I'd rate the pricing eight out of ten.
It would definitely be more on the expensive side, especially if you compare it with open source solutions like Ceph.
From what I understood, it was cheaper than EMC ECS, though this was over seven years ago.
 

Valuable Features

Pure Storage FlashBlade offers fast, scalable, and user-friendly storage with efficient integration, analytics, and versatility for diverse needs.
Dell PowerScale offers scalable, easy-to-manage storage with seamless integration, remote monitoring, and advanced data protection features.
NetApp StorageGRID offers S3 access, rapid backup, deduplication, scalability, management ease, and integration, enhancing usability and data retrieval.
We can plug in many blades, and we can have data up to one terabyte.
The best features of Pure Storage FlashBlade include better throughput and better performance.
Dell PowerScale offers high scalability and stability as well, making it a valuable solution for enterprises.
In our AI initiatives, Dell PowerScale (Isilon) plays a significant role in data analysis, data fusion; principally, it is involved in data analysis, data extraction, and statistical analysis.
Single files are limited to four terabytes in our configuration, however, the system can support up to 16 terabytes, so we can scale based on that too.
The feature of NetApp StorageGRID that has significantly improved data storage management for my customers is the value of the S3 API because it allows developers who are not infrastructure-oriented to use it and write code against it.
NetApp StorageGRID is a great alternative to AWS S3 buckets.
The scalability is very effective for our customers.
 

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
3rd
Average Rating
9.0
Reviews Sentiment
7.4
Number of Reviews
67
Ranking in other categories
NAS (2nd)
NetApp StorageGRID
Ranking in File and Object Storage
9th
Average Rating
8.4
Reviews Sentiment
6.0
Number of Reviews
17
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the File and Object Storage category, the mindshare of Pure Storage FlashBlade is 5.7%, down from 6.2% compared to the previous year. The mindshare of Dell PowerScale (Isilon) is 8.6%, up from 8.1% compared to the previous year. The mindshare of NetApp StorageGRID is 5.8%, up from 4.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
File and Object Storage Market Share Distribution
ProductMarket Share (%)
Dell PowerScale (Isilon)8.6%
Pure Storage FlashBlade5.7%
NetApp StorageGRID5.8%
Other79.9%
File and Object Storage
 

Featured Reviews

Parul-Patel - PeerSpot reviewer
High performance and throughput enhance IT backup management
The multi-dimensional scale-out design feature of Pure Storage FlashBlade is not in use in our environment. Regarding data reduction technologies, we don't get much deduplication because the data is already deduplicated from our FlashArray before we get to backup, so there is no benefit of deduplication. Regarding the integration with cloud-native ecosystem tools, we are not on cloud; we are strictly an on-premises solution. Pure Storage FlashBlade is not used by any end-user; it's used only for IT backup, with only about four people in our group managing it. I cannot recommend Pure Storage FlashBlade to other users depending upon their financial situation because it's an expensive solution, and the cost is very high, including licensing and renewal every year. I rate Pure Storage FlashBlade an eight out of ten.
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 Lopez - PeerSpot reviewer
Has reduced storage costs and improved snapshot management for large data workloads
The advanced features of NetApp StorageGRID which our upper management wouldn't agree to use, include the S3 feature. We are heavy into AWS, and my thoughts were to develop a small dev environment or even a POC environment on-prem. That's still up in the air as we continue on. Currently, AI has taken over everything with a focus on AI. The upgrades of NetApp StorageGRID present a challenge. It's a rolling upgrade, node by node. At one point, one node would not upgrade. The positive aspect is that it didn't take down the entire environment. The environment remained functional on two different versions. The scalability of NetApp StorageGRID has been proven as we've expanded twice. We started with six or seven nodes and have grown to 15 nodes. It does take time for synchronization to complete. From what I've seen, it took a couple of months for it all to sync up once adding nodes. However, it was transparent. It captured the addition and performed effectively, all happening in the background, steadily and surely.
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Financial Services Firm
11%
Manufacturing Company
10%
Government
7%
Computer Software Company
13%
Manufacturing Company
10%
Financial Services Firm
9%
Healthcare Company
8%
Financial Services Firm
20%
Manufacturing Company
18%
Computer Software Company
15%
University
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise11
Large Enterprise20
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise17
Large Enterprise36
By reviewers
Company SizeCount
Small Business5
Midsize Enterprise4
Large Enterprise11
 

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 do you like most about NetApp StorageGRID?
The management portals have most significantly improved our data retrieval times. They've made it much easier to rest...
What is your experience regarding pricing and costs for NetApp StorageGRID?
It would definitely be more on the expensive side, especially if you compare it with open source solutions like Ceph.
What needs improvement with NetApp StorageGRID?
If I could change anything in NetApp StorageGRID, that would be pricing. In terms of functionality, reliability, and ...
 

Also Known As

No data available
PowerScale, Dell EMC Isilon
Storage GRID
 

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,
ASE, DARZ GmbH
Find out what your peers are saying about Dell PowerScale (Isilon) vs. NetApp StorageGRID and other solutions. Updated: September 2025.
868,759 professionals have used our research since 2012.