Dell PowerScale (Isilon) vs IBM Cloud Object Storage comparison

Dell PowerScale (Isilon) vs. IBM Cloud Object Storage

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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

Pure Storage FlashBlade

Mindshare comparison

As of March 2025, in the File and Object Storage category, the mindshare of Pure Storage FlashBlade is 5.8%, down from 6.3% compared to the previous year. The mindshare of Dell PowerScale (Isilon) is 8.8%, up from 8.1% compared to the previous year. The mindshare of IBM Cloud Object Storage is 1.1%, down from 2.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.

File and Object Storage

Featured Reviews

Eric Black

Solutions Architect at Recovery Point Systems

The ability to leverage multi-tenancy along with immutability is a huge benefit for us

The only thing I feel FlashBlade is missing is the SOS API. If it had SOS API, that would put it well over the top. Veeam Backup specifically has started to streamline their API, and they are doing that with SOS API. They have optimized it. Any of the S3 devices out there that support this SOS API can have far more API calls at once. On our side, that translates to better restoration. With SOS API, it can leverage far more restorations at a single given time or read from the device in simple terms. That results in maximizing the output and throughput from the device itself.

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Eric Burgueño

High-Performance Computing Services Manager at The New Zealand Institute for Plant and Food Research Limited

Simplified data management, tremendously reducing our users’ cognitive overhead

The only thing that I think PowerScale could do better is improving the HTTP data access protocol. At the present, you cannot protect access to data via HTTP or HTTPS the same way that you can secure data access through other protocols like NFS or SMB. You can either access a file because it can be access by anyone in the organization, or you cannot at all. There is no in-between. HTTP is not considered a first-class data access protocol, so the Unified Permission Model that would allow a user to authenticate before being able to access a private file, does not apply. However, with the recent introduction of S3 starting from OneFS 9, I believe the necessary plumbing is already there for HTTPS to also be elevated to a first-class protocol in the future because both protocols sit behind a web server under the hood. It does not sound like it would be too complicated to implement, but it would be a valuable feature and it is currently missing.

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Steve Qualls

Senior Storage Engineer at Q & Q IT Consulting

Offers the ease with which you can move data between on-premises storage and the cloud and then retrieve it back on-premises when necessary

IBM Cloud Object Storage supports big data and analytics workflows. However, I usually have to refer to my documentation for that. Cloud environments are part of almost every project I've been involved in over the last few years, but I rely heavily on documentation whenever I need to do anything in the cloud. I know the basics, but the technical details always need refreshing. I create the drawings or diagrams of how the on-premises and cloud environments interact. So, visual representations are helpful. I'll diagram the on-premises environment, the cloud environment, and any appliances in between and then work from there. The integration capabilities simplified our data workflows. Like, the integration itself is pretty easy. The access appliances create the connection between both environments.

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Quotes from Members

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

Pros

"It's very easy-to-use."

"Speed and ease of use are the two most valuable features."

"I like its size. It is smaller than the other competitors. We can plug in many blades, and we can have data up to one terabyte."

"I would rate this solution an eight plus. It has has good flexibility and stability, it's easy to manage and the response time is good."

"Using this solution has made our backups more reliable."

"The most valuable features of this solution are the rewrite speed and the nonstop services."

"The initial setup is pretty easy and simple."

"The product is scalable and easy to expand."

More Pure Storage FlashBlade pros

"We use the solution internally to support our own managed servers and run our own support center."

"Isilon is flexible in supporting various data workloads while keeping them protected. Dell continues to release updates and patches which enhance the use of this solution. This includes offering ransomware protection."

"This is the best platform that we could have for storage utilization. It is affordable and scalable. At the end of the day, it's something that we find very easy to use."

"The solution is extremely easy to manage. This is its most valuable feature."

"The tool's most valuable features are high density and scalability."

"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."

"The most valuable feature we started using, beyond the initial scope for the solution, is the multi-protocol system that allows you to access the same set of files using different network protocols like NFS or SMB. PowerScale’s Unified Permission Model ensures that data security and access permissions are honoured regardless of whether the client is a Windows desktop or a Linux server"

"The solution is stable."

More Dell PowerScale (Isilon) pros

"One of Cloud Object Storage's best features is infinite capacity. This is one of the main advantages if you don't want to use your own storage. You also have the ability to write only, write once, and read many. It's like tape storage but software-based. This feature is essential for financial institutions that require that kind of protection if you write backup or data there."

"The capability to replicate data in different locations is valuable since it enables customers to have a cluster over various sites."

"The standout feature of IBM Cloud Object Storage is its top-notch security, making it ideal for sensitive applications like mobile financial transactions."

"The integration itself is pretty easy. The access appliances create the connection between both environments."

"IBM Cloud Object Storage integrates well."

"The most valuable feature I like is when you connect it via CLI plug-in...It is a stable solution."

"IBM has the most number of additional services, this is the main advantage."

"Overall, I rate IBM Cloud Object Storage a ten out of ten."

Cons

"I would like to have Snapshots and Snapmail in the next release. People who came from a NetApp background, especially expect these features."

"Its configuration should be easier."

"I would like to see better integration."

"On our dedupe during our initial buy, we were expecting a number a little higher like 4x. However, we are getting about 3.6. While it is close enough, it doesn't quite hit the numbers. So, this has been a challenge."

"The Pure Storage Orchestrator is our biggest pain point at the moment. If we can have more say in future developments of feature sets that we will need to support for our use case, that would be pretty beneficial to us."

"Recently, while upgrading the version code, one of the controllers failed. Replacing the controller took between 14 to 20 days."

"It would be nice if you could store file-based in the same box with the same technology."

"We haven't been able to use much of the cloud area of Pure Storage. We have a storage server and it would be better if it could integrate with other cloud features of this solution."

More Pure Storage FlashBlade cons

"It is a bit higher priced than some of the other systems."

"The only thing that I think PowerScale could do better is improving the HTTP data access protocol. At the present, you cannot protect access to data via HTTP or HTTPS the same way that you can secure data access through other protocols like NFS or SMB[...]the Unified Permission Model that would allow a user to authenticate before being able to access a private file, does not apply."

"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."

"Its configuration needs to be more straightforward."

"The pricing could be reduced."

"The product’s expansion capacity, pricing clarity, and ease of use need improvement."

"The legacy file system for Epsilon didn't scale into the cloud and didn't have a separate OS. It would be key if this was made possible."

"The solution’s interface and pricing could be improved."

More Dell PowerScale (Isilon) cons

"Sometimes technical support lacks a comprehensive understanding of the entire solution, only focusing on the product they support."

"IBM Cloud storage is not cheap, but it could be."

"The performance could improve in IBM Cloud Object Storage. The throughput or objects per second can have degradation."

"The performance could be better. It isn't bad, but everything is network-based, so you have a performance penalty on the network. You can never achieve the same performance as hardware. That's the disadvantage of cloud storage solutions in general. Cloud performance is one of the main issues clients have."

"Room for improvement depends on customer needs. Some customers prefer pure Object Storage using the S3 protocol, while others use a gateway in front of the storage grid to enable CIFS or NFS."

"IBM has limited cloud storage."

"If I had to choose one area, it would be making the consoles more intuitive would be helpful. Sometimes, they can be a little complicated if you're not familiar with them."

"One improvement could be incorporating a feature similar to Dropbox's version history. This would allow users to track modifications made to files over time, which is particularly important for maintaining a record of changes. While the free version might not include this feature, it could be included in the paid version to provide added value to clients. Additionally, having a version history feature that allows users to access modifications made to files over the past three months could be beneficial."

More IBM Cloud Object Storage cons

Pricing and Cost Advice

"The price is a little high."

"I rate the tool's pricing a seven to eight out of ten."

"I understand that it is competitively priced compared to other brands."

"The product is very expensive."

"I feel that the price could always be lowered."

"It is within reason for what you get. From what we have found comparing it to other vendors, it is in the same range as others. Given the choice, we would definitely redeploy it based on the cost."

"Support is a separate line item. Support is a different cost, but whatever your support is now, that's what you're going to pay forever. If your support's $100 today, six years from now it's $100. It doesn't fluctuate unless you upgrade it, or change it, etc."

"It's a costly solution, but Pure Storage FlashBlade doesn't require additional licenses. All of the software is combined into one bundle."

More Pure Storage FlashBlade pricing and cost advice

"The solution is expensive; it is not the cheapest solution out there. If you look at it from a total cost of ownership perspective, then it is a very compelling solution. However, if you're looking at just dollar per terabyte and not looking at the big picture, then you could be distracted by the price. It is not an amazing price, but it's pretty good. It is also very good when you consider the total cost of ownership and ease of management."

"The price of the solution is high."

"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."

"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."

"The price of Dell PowerScale (Isilon) is reasonable."

"Dell PowerScale (Isilon) is an expensive solution."

"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 pricing for this solution is reasonable."

More Dell PowerScale (Isilon) pricing and cost advice

"You have the option of a monthly or yearly license. Most customers choose the monthly option. I understand what you would like to say. IBM also lets you choose among four types of Cloud Object Storage. The difference is usage, performance, etc. Of course, high-performance storage is more expensive, while low-performance storage is for cold data, and it's really cheap."

"Pricing is not cheap."

"IBM Cloud is cheaper than AWS. If you want to scale your cloud infrastructure, it can be bought at almost the same price."

"Like most cloud providers, IBM likely charges based on storage capacity, typically per gigabyte or terabyte. Their pricing is competitive when compared to AWS or Microsoft."

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842,651 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Educational Organization

37%

Computer Software Company

11%

Financial Services Firm

Manufacturing Company

Educational Organization

23%

Computer Software Company

11%

Manufacturing Company

Financial Services Firm

Educational Organization

39%

Financial Services Firm

18%

Computer Software Company

Government

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

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 for FlashBlade is between cheap and moderate. FlashBlade is worth the money due to the experience and per...

What needs improvement with Pure Storage FlashBlade?

Its configuration should be easier. There should be easier language for the configuration.

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)?

Every time we purchase a PowerScale solution, we buy four nodes for one data center and four for another, with five y...

What needs improvement with Dell EMC PowerScale (Isilon)?

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

What do you like most about IBM Cloud Object Storage?

The integration itself is pretty easy. The access appliances create the connection between both environments.

What is your experience regarding pricing and costs for IBM Cloud Object Storage?

In general, Object Storage should be a cheaper solution.

What needs improvement with IBM Cloud Object Storage?

Room for improvement depends on customer needs. Some customers prefer pure Object Storage using the S3 protocol, whil...

VAST Data vs Pure Storage FlashBlade

Comparisons

Compared 12% of the time

Red Hat Ceph Storage vs Pure Storage FlashBlade

Compared 11% of the time

MinIO vs Pure Storage FlashBlade

Compared 11% of the time

Pure Storage FlashArray vs Pure Storage FlashBlade

Compared 8% of the time

Dell ECS vs Pure Storage FlashBlade

Compared 6% of the time

More Pure Storage FlashBlade Competitors

NetApp FAS Series vs Dell PowerScale (Isilon)

Compared 15% of the time

Dell ECS vs Dell PowerScale (Isilon)

Compared 14% of the time

Qumulo vs Dell PowerScale (Isilon)

Compared 9% of the time

HPE StoreEasy vs Dell PowerScale (Isilon)

Compared 7% of the time

Red Hat Ceph Storage vs Dell PowerScale (Isilon)

Compared 6% of the time

More Dell PowerScale (Isilon) Competitors

MinIO vs IBM Cloud Object Storage

Compared 26% of the time

Red Hat Ceph Storage vs IBM Cloud Object Storage

Compared 22% of the time

Dell ECS vs IBM Cloud Object Storage

Compared 22% of the time

NetApp StorageGRID vs IBM Cloud Object Storage

Compared 10% of the time

More IBM Cloud Object Storage Competitors

Product Reports

Pure Storage FlashBlade

Download Pure Storage FlashBlade product report

Dell PowerScale (Isilon)

Download Dell PowerScale (Isilon) product report

IBM Cloud Object Storage

Download IBM Cloud Object Storage product report

Also Known As

No data available

PowerScale, Dell EMC Isilon

Cleversafe

Overview

FlashBlade is the industry’s most advanced scale-out storage for unstructured data, powered by a modern, massively parallel architecture to consolidate complex data silos (like backup appliances and data lakes) and accelerate tomorrow’s discoveries and insights.

Pure Storage

Dell EMC PowerScale (Isilon) storage solutions are designed to help manage data for enterprises of all types. Dell PowerScale systems are simple to install, manage, and scale to virtually any size and include a choice of all-flash, hybrid, or archive nodes. Dell PowerScale solutions stay flexible and reliable no matter how much storage capacity is added, how much performance is required, or how business needs change in the future.

With Dell PowerScale, your data lake always stays simple to manage, simple to grow, simple to protect, and simple enough to handle the most demanding current and future workloads.

Ideal for companies of any size, from small enterprises to multi-national ones, Dell PowerScale storage provides secure collaboration, modular scalability, flexible consumption models, and easy cloud integrations, all with management tools spanning multiple platforms.

Key Benefits of Dell EMC PowerScale Storage

Centralized management: Manage your storage infrastructure from a single unified platform.
Data protection: Dell PowerScale offers security, data protection and replication tools. Back up and protect your data from cyber-attacks with an integrated ransomware defense system.
Artificial intelligence: PowerScale is the foundation for building an integrated and optimized IT infrastructure for AI projects, from concept to production.
Cloud support: Store and manage your data on the cloud and move data between your data center and the cloud. Dell PowerScale runs data-intensive cloud workloads with no outbound traffic costs.
Long-term storage: Dell PowerScale offers highly efficient and resilient active archive storage or long-term data retention for large-scale data archives. With the proven scalability architecture of PowerScale, you can meet your growing archiving demands. Dell PowerScale has a wide variety of enterprise-grade data protection and security options to keep your archived data safe.

Reviews from Real Users

Dell EMC PowerScale storage stands out among its competitors for a number of reasons. Two major ones are its scalability capabilities and its user-friendly centralized management system.

Rachel B., a chief operations officer & acting CFO at Like a Photon, writes, "PowerScale allows us to manage storage without managing RAID groups or migrating volumes between controllers. It has really simplified things. We're not having to worry about the underlying infrastructure. That takes care of itself. We just worry about the data. It's really easy for deploying and managing storage at the petabyte scale."

Keith B., the director of IT at NatureFresh Farms, writes, "The single pane of glass for both IT and for the end-user is a valuable feature. On the IT side, I can actually control where things are stored, whether something is stored on solid-state drives or spinning drives... The single pane of glass makes it very easy to use and very easy to understand. We started at 100 terabytes, and we moved to 250 and it still feels like the exact same system and we're able to move data as needed."

Dell Technologies

IBM Cloud Object Storage is a web-scale platform that stores unstructured data - from petabyte to exabyte - with reliability, security, availability and disaster recovery without replication.

IBM

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,

Bitly, Dreamstime, Prime Research

Dell PowerScale (Isilon) vs. IBM Cloud Object Storage