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IBM Storage Fusion vs Nutanix Unified Storage (NUS) comparison

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Comparison Buyer's Guide

Executive Summary

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
Sponsored
Ranking in File and Object Storage
6th
Average Rating
8.8
Reviews Sentiment
7.9
Number of Reviews
37
Ranking in other categories
All-Flash Storage (17th)
IBM Storage Fusion
Ranking in File and Object Storage
27th
Average Rating
0.0
Reviews Sentiment
6.2
Number of Reviews
1
Ranking in other categories
No ranking in other categories
Nutanix Unified Storage (NUS)
Ranking in File and Object Storage
4th
Average Rating
9.0
Reviews Sentiment
7.5
Number of Reviews
72
Ranking in other categories
All-Flash Storage (6th), Software Defined Storage (SDS) (4th), Public Cloud Storage Services (6th), NVMe All-Flash Storage Arrays (4th)
 

Mindshare comparison

As of April 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 IBM Storage Fusion is 0.5%, up from 0.0% compared to the previous year. The mindshare of Nutanix Unified Storage (NUS) is 2.9%, up from 1.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
File and Object Storage
 

Featured Reviews

Eric Black - PeerSpot reviewer
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.
Branko Cirovic - PeerSpot reviewer
Enables seamless file distribution while benefiting from scalability but could use simplified implementation
IBM Storage Fusion is used in telecoms. It is a file center that receives and shares files. It is also used for writing the CDR zone on the storage, since it offers a cost-effective solution for large-scale storage needs in a telecom setup The deployment of Storage Fusion has been new for us in…
Juan-Contreras - PeerSpot reviewer
Ensures streamlined management, simplified infrastructure, and efficient data handling
It has effectively managed our unstructured data, including audio and video files. We've experienced smooth operations without any complaints regarding uploading or downloading videos. While video usage isn't as frequent, we primarily utilize it for downloading videos related to specific incidents for administrators or our police department. We've encountered no issues uploading files of any kind. Transitioning from VMware to Nutanix has highlighted the overall flexibility of Nutanix's platform. Unlike VMware's three-tier system, Nutanix simplifies the learning curve by streamlining operations. The update process, in particular, has been favorable, with no critical issues encountered. The resiliency of Nutanix hasn't been thoroughly tested in our environment so far. However, I routinely check fault tolerance settings to ensure they meet our requirements. During the update process, I've observed critical errors occur as hosts restart, but Nutanix's self-healing mechanism handles these issues seamlessly. The benefit of using Nutanix is evident in several ways. Firstly, we've effectively compressed our storage while significantly expanding our overall storage pool. Previously, our service had a capacity of twenty-five terabytes, but with Nutanix, we've scaled up to a hundred and twenty terabytes physically and approximately fifty terabytes logically. This expansion has been accompanied by noticeable improvements in performance, particularly with reduced latency and IOPS well within the boundaries of our equipment. All our resources are centralized in a single location for managing and running storage: our data center. We operate three Nutanix nodes within this center, effectively managing everything from one central location. We don't have any other locations outside of our data center running a Nutanix cluster. Nutanix's capability to eliminate silos within our organization's storage infrastructure was discussed during our recent call with the engineer. Although we haven't explored this feature extensively yet, there's a forthcoming project where we anticipate leveraging it.One thing I'd appreciate is having a desktop application similar to what VMware offered. With VMware, I could download a separate client program onto my computer, allowing me to log in directly rather than accessing the host through a browser.

Quotes from Members

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

Pros

"The most valuable features include the ease of implementation, ease of use and the speed that you can do backup and recovery on."
"The initial setup is pretty quick."
"We can capacity plan at a greater level than we used to."
"It is very easy to use, and it is very fast."
"FlashBlade offers low latency, high throughput, and seamless scalability."
"It has absolutely simplified our storage because the dashboards on the consoles show a clear understanding of where you are, and it is also very easy to provision. This been a big help for our teams."
"What I like best about Pure Storage FlashBlade is its object storage functionality, plus it has fast underlying hardware. Pure Storage FlashBlade is also very stable. I find its stability one of its valuable features."
"The snapshots, replication, and the ability to have immutable blades are the most valuable features. You're putting data snapshots out in those blades, and they cannot be touched. Its performance is great."
"Fusion provides the ability to install the secret server and distribute files; it serves as a black box where tickets are opened only if issues arise, reducing frequent upgrade problems."
"The integration with Prism Central makes it a lot easier to manage, so we just have a single pane of glass location that we can go to. We do not have a separate admin console or anything that we have to use."
"The management interface is great and you have handy access to several details about your file shares."
"Nutanix Unified Storage is easy for end users to access. They can use it like any other drive on their systems. We have mapped it in the user system so they can scan files and store them. They can use it just like an Android drive."
"The most valuable features of the solution are replication and backup and our company needs a tool to help us with disaster recovery and the security of our data."
"Currently, the most valuable aspect of our Nutanix implementation is its file storage functionality."
"My opinion is that this solution has very good stability."
"The best Nutanix Unified Storage features are its recovery and data speeds. It has resolved the issue of accessing information quickly."
"DR and the replication power are valuable."
 

Cons

"I would like to see the licensing fees improved as well as the price per terabytes."
"There is some room for new features related to authentication and integration with Kubernetes, and other solution using S3 Bucket."
"I want efficiency. FlashBlade doesn't have efficiency now."
"Recently, while upgrading the version code, one of the controllers failed. Replacing the controller took between 14 to 20 days."
"Its configuration should be easier."
"Its configuration should be easier."
"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."
"I have not seen ROI."
"The implementation is complex, especially when using custom servers."
"The documentation on the support site needs to be improved."
"Improving quota policies would be advantageous, particularly by offering the option to implement blocking instead of just issuing warnings."
"If they can add an integrated DLP feature, it would be great."
"The solution is very expensive."
"I haven't had any issues with the solution so far."
"The solution should keep adding new features to be competitive in the market."
"The solution should increase its storage capabilities."
"It is challenging to configure access control settings."
 

Pricing and Cost Advice

"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."
"The price could be cheaper."
"In my opinion, we have paid the right price for the product. I don't think that it is too much or too little."
"It's a costly solution, but Pure Storage FlashBlade doesn't require additional licenses. All of the software is combined into one bundle."
"The price of this solution could be made more affordable."
"Licensing fees are paid yearly."
"Pure Storage FlashBlade is a hardware appliance, and it's very expensive if you compare its price with other solutions. You can get the same features and benefits from its competitor, VAST Data, but for half the price of Pure Storage FlashBlade."
"The price is a little high."
Information not available
"Nutanix Unified Storage was cheaper than other solutions we evaluated."
"The product is pricey."
"Nutanix is priced a bit higher than some of its competitors. A lot of Chinese companies like Huawei are entering the Saudi Arabian market trying to provide similar solutions for a lower price. It offers a good value, especially the support. Nutanix has a highly competent team. The after-sales support is excellent."
"With all of the Nutanix equipment, the licensing is expensive. We operate in the enterprise space, but we're a midsized company. At times, the price tag is a little bit shocking for a company with only 35 employees. We're not a Fortune 500 company, but we deal with Fortune 500 drug and energy companies. We have to play in that enterprise space if we're going to have enterprise customers. I'm very price-conscious, but I understand that if I want the best, I've got to pay the price."
"If we compare the cost of Nutanix Objects Storage to other solutions such as VMware licenses, our current choice is Nutanix Objects Storage. This solution is more cost-effective. However, adding VMware to Nutanix would not be a cost-efficient decision, which is why we do not use it anymore."
"Nutanix offers different pricing options, including Ultimate and Ultimate Pro."
"I'm happy with the cost and licensing because I don't have big volumes."
"Compared to other solutions, NUS is cost-effective and efficient. It also has good performance."
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Top Industries

By visitors reading reviews
Educational Organization
33%
Computer Software Company
11%
Financial Services Firm
9%
Manufacturing Company
8%
No data available
Computer Software Company
32%
Educational Organization
21%
Manufacturing Company
5%
Financial Services Firm
4%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

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 is your experience regarding pricing and costs for IBM Storage Fusion?
Compared to other options, purchasing IBM Storage Fusion, along with necessary hardware and maintenance, comes with a...
What needs improvement with IBM Storage Fusion?
The implementation is complex, especially when using custom servers. Simplification or better support for this aspect...
What is your primary use case for IBM Storage Fusion?
IBM Storage Fusion is used in telecoms. It is a file center that receives and shares files. It is also used for writi...
What do you like most about Nutanix Unified Storage?
Nutanix has excellent product documentation available on their portals, written in simple, easy-to-understand language.
 

Also Known As

No data available
No data available
Nutanix Files Storage, Nutanix Volumes Block Storage, Nutanix Objects Storage
 

Overview

 

Sample Customers

ServiceNow, Mercedes-AMG Petronas Motorsport, Dominos, Man AHL
1. Accenture 2. Aetna 3. AIG 4. Airbus 5. Allstate 6. Amazon 7. American Express 8. ATT 9. Bank of America 10. Barclays 11. BASF 12. Bayer 13. Bechtel 14. Boeing 15. BNP Paribas 16. Cisco 17. Coca-Cola 18. Comcast 19. Dell 20. Deutsche Bank 21. Eni 22. ExxonMobil 23. Ford 24. GE 25. Google 26. Hitachi 27. Honeywell 28. IBM 29. Intel 30. JPMorgan Chase 31. Kellogg's 32. Lockheed Martin
JetBlue, International Speedway Corporation, Volkswagen SAIC, Brighton and Hove City Council, Foresters Financial, Janus International Group, Cloud Comrade, Serco
Find out what your peers are saying about MinIO, Red Hat, Dell Technologies and others in File and Object Storage. Updated: March 2025.
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