IBM Spectrum Scale vs StarWind HyperConverged Appliance comparison

IBM Spectrum Scale vs. StarWind HyperConverged Appliance

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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 August 2025, in the Software Defined Storage (SDS) category, the mindshare of Pure Storage FlashBlade is 4.4%, up from 4.4% compared to the previous year. The mindshare of IBM Spectrum Scale is 4.5%, down from 5.0% compared to the previous year. The mindshare of StarWind HyperConverged Appliance is 2.2%, up from 1.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Software Defined Storage (SDS)

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.

Read full review

Bernd Stroehle.

Enterprise Architect at kosakya

Deliver improved performance in data processing and foster extensive AI initiatives

I find IBM Spectrum Scale to be an excellent product known for its fast parallel file system. It achieved the best results when integrated with IBM hardware. Even though it is complex, it provided significant performance advantages in large-scale data management. Its fault tolerance mechanisms and integration capabilities make it popular for extensive AI initiatives and data processing tasks for organizations like Daimler Benz and Bosch.

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Russ Le Puill

IT Manager at St Peter's Church of England Aided School

Proactive support with improved speed and resilience

There was a long delay with shipping, which we weren't expecting, but we were kept updated throughout. It wasn't made clear to us that we needed to provide our own SFP modules to connect to our infrastructure, so that could have been a bit clearer. It would be amazing if there was, perhaps, a more automated process for updating the hosts themselves, although the maintenance mode works well. Our StarWind command center doesn't seem to have all the options available currently, which support is investigating for us.

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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 helps simplify our storage, because the user interface is very simple and the installation is easy."

"It has also helped to simplify storage for us in the way that it's easy to manage. Their automatic monitoring really helps when things break or are about to break. They see a problem coming and alert us even before our own system does."

"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."

"Pure Storage FlashBlade is user-friendly. It's replication feature is great because it has active replication and active DR. That's the beauty of the product. It's a perfect solution for block storage."

"Among its most appealing features are its ease of handling and minimal maintenance requirements."

"The most valuable features include the ease of implementation, ease of use and the speed that you can do backup and recovery on."

"The most valuable features are the Metro clustering, and disaster recovery."

"The solution is able to handle workloads and is easy to use. It allows us to actually manage the boxes in less time."

More Pure Storage FlashBlade pros

"Its great servicing high availability. That is what it is used for."

"Allows us to share files across multiple environments."

"The most valuable feature is the ability to share files across different platforms."

"I find IBM Spectrum Scale to be an excellent product known for its fast parallel file system."

"Technical support has been very helpful. They provide us with pretty good solutions that we can implement moving forward."

"I rate this product ten out of ten."

"It has been pretty reliable throughout the years. As far as capacity is concerned, it can handle most heavy loads."

"I would rate my overall experience with IBM Spectrum Scale as nine out of ten."

More IBM Spectrum Scale pros

"Reliability and overall uptime are key as we're also hosting client environments in addition to our own."

"The StarWind array has greatly improved our workflow internally as it is quite easy to use and provides robust features that allow us to provide anything our clients need quickly and efficiently."

"How quickly the StarWind solution replicates also gives us the confidence to know that in the event of catastrophic failure of any piece of hardware, we won't be far behind before things went wrong."

"We opted for 24-hour monitoring and support, which has already paid for itself."

"The biggest thing we were looking for was redundancy, with both the compute and the storage, so that way we could lose a full node and still keep everything up and running, and not have to worry about it... StarWind was able to provide a solution for what we wanted, - to provide for redundancy."

"The customer service has been the most valuable feature of the product to me."

"Being able to upgrade machines and software during business operations just by switching nodes has been a huge improvement. We"

"The most valuable aspect of StarWind is the all-in-one solution that they provide."

More StarWind HyperConverged Appliance pros

Cons

"File storage needs a lot of improvement. Mainframe connectivity also needs improvement because it requires additional components to be integrated with Pure Storage FlashBlade. If you want to keep your backup data, then this becomes an even more expensive solution because Pure Storage FlashBlade will not be able to meet your backup needs."

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

"It usually comes down to just what you hit and the value you're getting when you spend the money and license the products. I would always go, "If you want to make things better, lower your price and make your licensing simpler." There's always an opportunity around that."

"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."

"We initially encountered challenges with the assembly process due to issues with the documentation required during setup, an area where Pure Storage needs improvement."

"I would like to see more VM-Aware features in the next release of this solution."

"I would like to see the licensing fees improved as well as the price per terabytes."

"Commvault has mainly driven the Analytics, providing data and reports. However, the product has room for improvement, especially regarding storage analytics. Upgrading firmware has caused issues, requiring feature disabling to revert to traditional backups. The firmware upgrades sometimes affect Commvault backups."

More Pure Storage FlashBlade cons

"This is probably the biggest challenge, getting everything upgraded, because it just takes time. We wish it was a faster solution to be able to do everything at once, but you have do each node individually. The more nodes, the longer it takes."

"Making it a little easier to add bad file sets would help. There is a transition to how you add storage and how you add a file set, so making that a little smoother would probably be my recommendation."

"I wish there were some graphical user interface to access the GPFS file system creation and monitoring."

"I believe there is no graphic user interface, so they should include it."

"The pricing and licensing model for this solution are complex and it is sometimes difficult to explain it to customers."

"The biggest problem is that it is not able to provide block storage."

"Integration with other vendors is not available."

"Maybe it needs integration with HA."

More IBM Spectrum Scale cons

"The only area that surprised me had to do with the fact that each host runs a StarWind virtual machine used to maintain the health of the vSAN, which individually uses 24GB of memory per host. You should keep this in mind when determining the resources you will need when selecting hardware and components for your specific setup. If I knew that, I would have chosen to add more memory per host to make up for the use."

"The web-managed interface (a separate VM) could be better."

"We ran into some issues with going from Hyper-V 2012 R2 to Hyper-V 2019."

"Most meetings are done via Zoom, and I'm sure you could switch to a text based conversation if needed as they seem like a very accommodating team. It's not something I would worry about if you are a potential client."

"Updates need improvement."

"It would be nice if the software told you a new version was available and prompted you to do the upgrade to keep everything up to date."

"Possible new features could be CSV-level snapshot capability, Veeam integration, and maybe a more straightforward setup. Granted, you don't have to worry about setups with the HCA, but if you want to implement StarWind vSAN in a lab to test it is a tedious setup process."

"A possible thing is perhaps a customer portal to schedule a time with support online via a calendar."

More StarWind HyperConverged Appliance cons

Pricing and Cost Advice

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

"The pricing for FlashBlade is between cheap and moderate."

"Our licensing is renewed annually."

"We used a reseller for the purchase."

"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."

"Our customers have seen a reduction in TCO."

"The product is very expensive."

"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."

More Pure Storage FlashBlade pricing and cost advice

"The solution is costly but reliable."

"The licensing is based on the number of terabytes."

"The licensing model is complex and depends on factors such as the number of processing cores and the amount of storage."

"This was all completed at an affordable price point for an SMB, which was also a key element for an NPO."

"The HCA price is all-inclusive (setup, hardware, support, warranty), except for your standard Microsoft Server licensing."

"Its cost was reasonable."

"We looked at Nutanix and found it did almost the same thing but for more money. In fact, StarWind was nearly one-third of the price; it cost us £36,000. That includes five years of monitoring... The Nutanix was near enough £110,000 for relatively the same amount of performance and storage."

"It's an all in one package, making it very easy."

"The other solutions we were looking at were priced much higher than this and they didn't necessarily have full redundancy... Nutanix and VxRail were in the final running... but it came down to our price point."

"We didn't have any issue with pricing or any of the sales process."

"In terms of cost, a storage array is more expensive... For half the cost of Compellent, I got two hosts, more storage, and redundancy."

More StarWind HyperConverged Appliance pricing and cost advice

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865,384 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Computer Software Company

13%

Financial Services Firm

12%

Manufacturing Company

10%

Government

Financial Services Firm

20%

Manufacturing Company

11%

Computer Software Company

11%

Educational Organization

17%

Computer Software Company

11%

Manufacturing Company

10%

Non Profit

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 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 is your experience regarding pricing and costs for IBM Spectrum Scale?

IBM Spectrum Scale is very expensive with complex pricing models usually based on the amount of storage used or the n...

What needs improvement with IBM Spectrum Scale?

There is room for improvement in the web interface. There could be more information available, such as charts and gra...

What is your primary use case for IBM Spectrum Scale?

My personal use of this product is for parallel writing or reading files.

What is your experience regarding pricing and costs for StarWind HyperConverged Appliance?

It's not the cheapest, however, the solution works incredibly well and is so simple to licence and maintain.

What needs improvement with StarWind HyperConverged Appliance?

There was a long delay with shipping, which we weren't expecting, but we were kept updated throughout. It wasn't made...

What is your primary use case for StarWind HyperConverged Appliance?

We desperately needed to update yet downsize our data centre. We had six hosts for only approximately 14 or so Virtua...

Dell PowerScale (Isilon) vs Pure Storage FlashBlade

Comparisons

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VAST Data vs Pure Storage FlashBlade

Compared 9% of the time

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Red Hat Ceph Storage vs IBM Spectrum Scale

Compared 22% of the time

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Compared 12% of the time

Portworx Enterprise vs IBM Spectrum Scale

Compared 11% of the time

Red Hat Gluster Storage vs IBM Spectrum Scale

Compared 9% of the time

VMware vSAN vs IBM Spectrum Scale

Compared 7% of the time

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Compared 27% of the time

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Compared 20% of the time

Azure Stack HCI vs StarWind HyperConverged Appliance

Compared 18% of the time

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Compared 13% of the time

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Product Reports

Pure Storage FlashBlade

Download Pure Storage FlashBlade product report

IBM Spectrum Scale

Download IBM Spectrum Scale product report

StarWind HyperConverged Appliance

July 2025

StarWind HyperConverged Appliance report

Download StarWind HyperConverged Appliance product report

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

IBM Spectrum Scale is a cluster file system that provides concurrent access to a single file system or set of file systems from multiple nodes. The nodes can be SAN attached, network attached, a mixture of SAN attached and network attached, or in a shared nothing cluster configuration. This enables access to this common set of data to support a scale-out solution or to provide a high availability platform. IBM Spectrum Scale has many features beyond common data access including data replication, policy based storage management, and multi-site operations. You can create a cluster of AIX nodes, Linux nodes, Windows server nodes, or a mix of all three. IBM Spectrum Scale can run on virtualized instances providing common data access in environments, leverage logical partitioning, or other hypervisors. Multiple IBM Spectrum Scale clusters can share data within a location or across wide area network (WAN) connections.

IBM

For SMB, ROBO and Enterprises, who look to bring in quick deployment and operation simplicity to virtualization workloads and reduce related expenses, our solution is StarWind HyperConverged Appliance (HCA). It unifies commodity servers, disks and flash, hypervisor of choice, StarWind Virtual SAN, Microsoft Storage Spaces Direct or VMware Virtual SAN and associated software into a single manageable layer. The HCA supports scale-up by adding disks and flash, and scale-out by adding extra nodes.

StarWind HyperConverged Appliance consists of StarWind Virtual SAN, Microsoft Storage Spaces Direct or VMware Virtual SAN “Ready Nodes”, targeting those, who are building their virtualization infrastructure from scratch. In case there is an existing set of servers, we offer a “software only version”, which is essentially our years proven StarWind Virtual SAN. Basically, it’s the fuel powering StarWind HCA.

StarWind

Sample Customers

ServiceNow, Mercedes-AMG Petronas Motorsport, Dominos, Man AHL

Information Not Available

Sears Home and Franchise Business

IBM Spectrum Scale vs. StarWind HyperConverged Appliance