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Amazon EFS (Elastic File System) vs Dell PowerScale (Isilon) 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
6.6
Pure Storage FlashBlade reduces total cost of ownership by enhancing efficiency, enabling fast restorations, and supporting diverse use cases.
Sentiment score
5.1
Amazon EFS offers scalable, cost-effective storage with minimal maintenance, enhancing productivity and benefiting businesses through pay-as-you-go pricing.
Sentiment score
7.1
Dell PowerScale enhances management efficiency and scalability, improving storage performance, reducing costs, and delivering strong ROI and peace of mind.
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
7.6
Pure Storage FlashBlade's support is generally praised for responsiveness, despite occasional delays and communication issues, maintaining a favorable reputation.
Sentiment score
6.6
Amazon EFS customer service is rated well for responsiveness and effectiveness, with appreciated support plans and documentation.
Sentiment score
8.2
Dell PowerScale (Isilon) support is praised for expertise but criticized for first-line issues and occasional communication barriers.
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.
Their technical support has been perfect lately, so I would give it a 10.
While the time to respond was good, the time to resolve was not optimal, as it took more than a week.
Amazon's support model is consistent across services.
Training and support depend on the plan you have, with centralized support being very helpful in case issues arise.
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.
 

Scalability Issues

Sentiment score
8.6
Pure Storage FlashBlade excels in scalability, with seamless expansion, downtime-free growth, and praised support across various sectors.
Sentiment score
7.1
Amazon EFS excels in scalability and auto-scaling, supporting large users but may face connection restoration issues.
Sentiment score
7.4
Dell PowerScale offers scalable, flexible storage for growing enterprises, supporting seamless capacity expansion and stable performance with automatic tiering.
Pure Storage FlashBlade is scalable.
There are between 5 and 10,000 people using it in our organization.
Its auto-scaling feature is a crucial point, providing high scalability that I would rate at ten out of ten.
Elastic File Systems allow me to scale up or down easily.
It is very cost-effective, and there's no need for initial charges.
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.
 

Stability Issues

Sentiment score
8.1
Pure Storage FlashBlade offers exceptional reliability and impressive stability, featuring 99.999% uptime, seamless upgrades, and high performance.
Sentiment score
7.1
Amazon EFS is considered stable and reliable by users, with minor issues that are generally resolved quickly.
Sentiment score
8.1
Dell PowerScale is reliable and easy to manage, with high availability despite occasional support and load balancing issues.
In case there is any issue with any blade, the data is moved to another.
Amazon EFS is extremely stable, as it is managed by AWS.
While I experienced an EFS mount dropping, it was related to server issues rather than EFS itself.
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.
 

Room For Improvement

Users recommend better pricing, cloud integration, support, documentation, and analytics for Pure Storage FlashBlade, improving efficiency and compatibility.
Amazon EFS needs setup simplification, enhanced Windows support, speed improvements, better security, and AI-driven ease for nontechnical users.
Dell PowerScale is costly and lacks cloud integration, with usability, support, and management improvements needed for better user experience.
Technical support definitely needs significant improvement.
Its configuration should be easier.
One way Pure Storage FlashBlade can be improved is by having more compatibility between the FlashArray and FlashBlade.
Enabling AI-driven or automatic features would be beneficial for new or nontechnical users.
In my project, there are challenges related to AWS, such as ensuring proper security measures with IMS code and encryption.
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.
 

Setup Cost

Pure Storage FlashBlade is costly but valued for performance, reliability, and reduced administrative overhead, justifying its premium price.
Amazon EFS provides flexible pricing based on storage and usage, but monthly costs can be higher than alternatives.
Dell PowerScale, though costly initially, provides valuable features, ease of management, and competitive pricing for business needs.
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.
Regarding pricing, it is okay; we needed exactly this in size, and the price was a lot lower than competitors, making it good for us.
EFS could cost around $30 to $50 per month for similar usage.
Amazon EFS is more costly compared to other storage options available from AWS.
Elastic File Systems can be expensive due to the nature of data transfer costs.
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.
 

Valuable Features

Pure Storage FlashBlade excels with ease of use, fast performance, scalability, seamless integration, and efficient storage features.
Amazon EFS provides scalable, flexible storage, seamless EC2 integration, and advanced security, ideal for efficient data processing and cost reduction.
Dell PowerScale excels in scalability, performance, and security, offering efficient storage consolidation and resource optimization for organizations.
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.
Pure Storage FlashBlade's scalability is one of the most valuable features, and importantly, it always works, allowing for seamless upgrades.
Its ease of integration with other AWS services enhances our infrastructure, while the shared storage access improves reliability and processing continuity for our applications.
They help me process data while maintaining low latency, which is crucial for efficient data processing.
The most valuable feature of Amazon EFS is its auto-scaling capability.
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.
 

Categories and Ranking

Pure Storage FlashBlade
Sponsored
Ranking in File and Object Storage
8th
Average Rating
8.8
Reviews Sentiment
7.5
Number of Reviews
39
Ranking in other categories
All-Flash Storage (15th), Software Defined Storage (SDS) (8th)
Amazon EFS (Elastic File Sy...
Ranking in File and Object Storage
10th
Average Rating
8.0
Reviews Sentiment
6.9
Number of Reviews
17
Ranking in other categories
Cloud Storage (11th)
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)
 

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 Amazon EFS (Elastic File System) is 0.9%, up from 0.3% compared to the previous year. The mindshare of Dell PowerScale (Isilon) is 8.6%, up from 8.1% 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%
Amazon EFS (Elastic File System)0.9%
Other84.8%
File and Object Storage
 

Featured Reviews

MikaelHellström - PeerSpot reviewer
Has handled backup storage needs reliably and supports seamless upgrades
In environments requiring high throughput and low latency, Pure Storage FlashBlade provides high throughput and normal latency, but we do not have any application that requires low latency right now, so the latency of three to five milliseconds is considered kind of high. Pure Storage FlashBlade's ability to integrate with enterprise applications is not important for us, as we only want to present an S3 bucket for our backup, which we have done, and it works very fast. We use the Purity software's data reduction techniques; we have a backup software that compresses everything before sending it to the S3 bucket, achieving a data reduction of 1.1 to one. I would recommend Pure Storage FlashBlade to other companies because it's a very fast and scalable solution for anyone who needs it. On a scale of 1-10, I rate this solution an 8.
MuhammadAzhar Khan - PeerSpot reviewer
Auto-scaling capabilities enhance file management while reducing downtime
The most valuable feature of Amazon EFS is its auto-scaling capability. It's really easy to configure EFS by just creating it and running a command to directly configure it with my servers. It supports unlimited use, and charges are applied based on the file usage at the end of the month. The solution offers reduced downtime and increased durability through its auto-scaling features.
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.
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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
14%
Financial Services Firm
12%
Manufacturing Company
11%
Healthcare Company
5%
Computer Software Company
13%
Manufacturing Company
11%
Financial Services Firm
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise11
Large Enterprise21
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise4
Large Enterprise7
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise17
Large Enterprise36
 

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...
Which file storage system is better - Amazon EFS (elastic file storage) or Azure File Storage?
Amazon EFS is easy to set up: you can use the AWS management console, API, or command-line. Amazon EFS can grow to pe...
What do you like most about Amazon EFS (Elastic File System)?
The product's initial setup phase is easy, as per the configurations.
What is your experience regarding pricing and costs for Amazon EFS (Elastic File System)?
We don't need to purchase it; we are just using it and paying Amazon as per the utilization. We make direct payments ...
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...
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 ...
 

Also Known As

No data available
No data available
PowerScale, Dell EMC Isilon
 

Overview

 

Sample Customers

ServiceNow, Mercedes-AMG Petronas Motorsport, Dominos, Man AHL
Arcesium, Atlassian, Seeking Alpha, Zend
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,
Find out what your peers are saying about Amazon EFS (Elastic File System) vs. Dell PowerScale (Isilon) and other solutions. Updated: September 2025.
872,706 professionals have used our research since 2012.