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Dell PowerStore vs IBM FlashSystem 9100 NVMe comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Sep 18, 2024

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 FlashArray X NVMe
Sponsored
Ranking in All-Flash Storage
17th
Ranking in NVMe All-Flash Storage Arrays
6th
Average Rating
9.0
Reviews Sentiment
6.7
Number of Reviews
36
Ranking in other categories
No ranking in other categories
Dell PowerStore
Ranking in All-Flash Storage
1st
Ranking in NVMe All-Flash Storage Arrays
1st
Average Rating
8.6
Reviews Sentiment
6.7
Number of Reviews
171
Ranking in other categories
Data Warehouse (4th), NAS (1st), Enterprise SAN (1st)
IBM FlashSystem 9100 NVMe
Ranking in All-Flash Storage
27th
Ranking in NVMe All-Flash Storage Arrays
11th
Average Rating
8.8
Reviews Sentiment
7.5
Number of Reviews
21
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of February 2026, in the NVMe All-Flash Storage Arrays category, the mindshare of Pure FlashArray X NVMe is 4.2%, up from 2.5% compared to the previous year. The mindshare of Dell PowerStore is 19.6%, down from 23.4% compared to the previous year. The mindshare of IBM FlashSystem 9100 NVMe is 1.5%, down from 1.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
NVMe All-Flash Storage Arrays Market Share Distribution
ProductMarket Share (%)
Dell PowerStore19.6%
Pure FlashArray X NVMe4.2%
IBM FlashSystem 9100 NVMe1.5%
Other74.7%
NVMe All-Flash Storage Arrays
 

Featured Reviews

Jaehoon Oh - PeerSpot reviewer
Chief Technology Officer at Lambda256
Supports efficient storage management through volume snapshots and offers reliable non-disruptive upgrades
I have no specific improvements to suggest for Pure FlashArray X NVMe at this time. The performance statistics could be enhanced. I can see the performance statistics in the Pure Storage console, but it does not show the performance by 4K byte unit. It displays IOPS and bandwidth, but IOPS is about real use, and I want to know how many IOPS are currently running in 4K byte units. I cannot see that IOPS because most storage systems report their performance by 4K byte unit. I want to see Pure Storage performance by 4K byte unit to compare with other storage or other internal NVMe SSD.
reviewer2304864 - PeerSpot reviewer
Vmware Windows Senior Engineer at a manufacturing company with 10,001+ employees
Resilience has supported proactive management and secured audit readiness across multiple sites
The resilience in Dell PowerStore benefits my company from an auditing perspective because we know we have that resilience in place. I see Dell PowerStore playing a bigger role in the future because we are starting to use it more, and that is pushing it. The biggest return on investment for me when using Dell PowerStore is scalability. Scalability is key. I can amplify that scalability is the biggest return on investment because we have redundancy between two sites; if something goes down, we have to manage it, but we want to do it proactively.
MohammedIsmail - PeerSpot reviewer
Datacenter Manager at Tracker Connect
Enhanced storage performance and an easy setup with compression challenges
We use IBM FlashSystem 9100 NVMe as a storage device in the IT industry The features I find most valuable include its use for storage and performance. The solution's compression needs to be improved, as it's not the best. Furthermore, support from the partner could also be improved as it's been…

Quotes from Members

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

Pros

"It's helped us because we've changed fundamentally what we talk about. We don't talk about storage and different tiers of storage anymore nor do we talk about servers. We talk now about applications and how applications impact the business and end users."
"Pure FlashArray X NVMe helps to improve our processing speed. It is user-friendly and easy to use."
"Offers excellent features like efficient data reduction, a reliable SafeMode, and a great support model for continuous assistance and updates."
"The initial setup was extremely simple and straightforward."
"It is very easy to install and configure. It has got excellent diagnostics. If you really need to see how the box is performing, the console gives you a lot of information. You can set thresholds as well as alerts based on the thresholds, which is a very powerful functionality. They are very proactive. They know how to monitor and manage the systems. They see a problem, and they are all over it before us. They see the problem before we see it, which is very good."
"The high availability of the product is the most valuable feature."
"The solution is scalable."
"The duplication algorithm allows us to get a lot more use out of less storage. We're running a five terabyte array right now and we're running probably about 30 terabytes on it. So the duplication rate is pretty phenomenal, without a cost to performance. It still runs pretty smoothly."
"I appreciate the ease of use and storage presentation features of Dell PowerStore the most, as it is easy to present up storage and the data reduction has already led to an estimated four to one reduction in usage, resulting in noticeable cost savings."
"The administration tools take advantage of machine learning and make recommendations to the admins, and that makes the administration easier."
"I really appreciate the management and the management console of Dell PowerStore along with features such as deduplication."
"It's a great product. Integrating PowerStore with the IT workflow is easy."
"The most valuable feature of Dell PowerStore is the speed."
"With Dell PowerStore, we have achieved twenty percent savings compared to the previous solution."
"Overall, we're quite happy with the product because we can move the data that is stored on more than 10 of our current storage devices to a single PowerStore."
"The most valuable feature of Dell PowerStore is the metro cluster because we have two data centers and high availability."
"The features I find most valuable include its use for storage and performance."
"The FlashCore modules support more value to the architecture due to their unique characteristics."
"It is a very stable product. Stability-wise, I rate the solution a ten out of ten because we did not face any issues in the last three years."
"The most valuable feature of IBM FlashSystem 9100 NVMe is the snapshot. We use it daily for all of the storage units."
"Its ease of use, performance, and hardware compression is very useful feature."
"It's easy to use, has good stability, and many features."
"IBM FlashSystem provides the same software on each box, including virtualized solutions."
"What I like about the product are its high availability, maximum efficiency in performance, and its ability to handle a high level of I/O operations."
 

Cons

"I'd like to see the product implement active replication for vehicles such as VMware."
"There is room for improvement in the pricing of the product."
"We would like to see more visibility into garbage collection and CPU performance in the GUI."
"Adding some functions to the product would be beneficial. Storage replication should be essential, and the analytics should not incur extra charges."
"The tool's pricing is higher than competitors."
"The tool's portfolio is minimal. It is expensive."
"Maybe the price can be reduced since the solution is very expensive."
"Right now, the box itself is just strictly working as a backend storage system. It would be fantastic if we could access it directly like a NAS device through network access or SIS drives. I think they have an interface, but I am not sure how good it is. If we could address a box directly on the network without having to go through a server, it would be great. The replication schemas could be improved. We are not using replication on the storage level right now. We use a different type of replication. If their replication would be as good as the one that we have, I would probably run the replication schema because it might be faster, but I don't know that for a fact. So, I cannot say that they have good replication. All I can say is that they need to inform us better."
"The storage could be improved. I would like a feature for how to best secure an appliance and the storage since we are connecting the container to the public cloud. I would like them to develop another level of security, making it more secure than from what they have now."
"Dell PowerStore does not have features that specifically cater to the needs of our company or industry that are outstanding among others, but reliability is crucial, and ease of management is also important."
"I would like to see additional features or functionalities for the Metro in Dell PowerStore, especially because there are a few workloads still not supported."
"Dell PowerStore is a very expensive storage solution."
"One of the big differences when we were looking at Pure is that they had more of an in-place upgrade option going forward, kind of future-proofing things. We hear Dell is working towards that, but they weren't quite there, especially three years ago."
"In one instance, a single PowerStore array provided only 3 to 4 GBPS, which was not satisfactory."
"I would say a bit more user-friendliness and in-depth features in the monitoring interface of CloudIQ would be an improvement; sometimes it is quite difficult to find the information I want."
"In terms of improving Dell PowerStore, they should have simplified documents available for customers, not just for the support team."
"There could be a possibility of not requiring to buy a new box while upgrading to a newer version."
"IBM's support is not good. I experienced a big problem where I opened the console IBM Storage and would see that something was broken. I called the call centers, and I said, "I have a problem. My drive is not working." They want me to give them the serial number, I gave it to them and they told me "I cannot find your product. Your product is not here.""
"The ZIO interface could be improved."
"The solution's compression feature could be better."
"The solution's compression needs to be improved, as it's not the best."
"In the future, the limitation is upgrading the same storage by adding a shelf to the desk. There is a limitation in the backend connection between the storage and extended shelf."
"The storage system itself should have built-in capabilities for different ransomware attacks."
"I would like to see IBM products become more affordable because they can be quite expensive, which limits their accessibility to a broader customer base."
 

Pricing and Cost Advice

"With Pure Storage, we would like to continue seeing price reductions with flash storage. I don't think we're any different than anybody else when we continue to look to the industry for price reductions of both NVMe and traditional SSD storage. We would like to see these prices continue to decline and erode, even displacing large spinning disks."
"We pay approximately $50,000 USD per year in licensing fees."
"The product is expensive."
"The licensing is on a yearly basis."
"The tool's pricing is cheap; I rate it a six to seven out of ten. Most of our sales are not subscription-based. We sell the hardware, and customers keep using it. They only renew the service part annually. The support can be a bit pricey, but the solution is more cost-effective than anything else out there."
"The support cost per array is about $20,000 a year for 24/7 support."
"Pretty much everything that you need is licensed when you buy the product. Licensing to me is different than the maintenance cost, but they can bleed into one another. We buy the product, and we expect three years of support bundled into what we negotiate on our storage arrays. I would start to see maintenance costs going into the fourth year, but we're not there yet."
"Its price could be better. It is not too expensive, but it is the high-end cost. It is kind of a Rolls-Royce. You pay a lot, but you get a lot out of it. So, the price pressure on the way down would be great, but at the end of the day, if you need to do the work, you just pay for it."
"We are currently using Dell PowerStore for our smaller storage and there is no competition for pricing."
"Dell PowerStore is more expensive than Dell EMC Unity All Flash. Dell PowerStore's performance metrics were way higher than what Dell EMC Unity All Flash offered."
"The pricing is good. There's no need to pay for a license; it's all-inclusive."
"The price is high compared to the Tunisian market."
"The price is not cheap, but it's worth it for the features you get from the storage. If you can afford it, you are probably buying the best solution that you can have for this virtual environment."
"The licensing for this solution is good and is in the mid-range tier."
"It is very expensive though when you get to this point of using the 3000 with a client. They will start to think about using another vendor. There are a lot of solutions similar to PowerStore in regards to networking capacity and their prices are very cheap compared to PowerStore."
"Dell PowerStore charges for the hardware warranty every three years. The price will depend on the storage model or how much hardware it has."
"The solution's price is competitive."
"It's a lot less costly than cloud storage. People get surprised by the cost of cloud storage, which is extremely expensive and four or five times the cost of storage on-premises. People don't realize what they're spending on storage until they start getting bills from Amazon, Microsoft, and others. This is a good way to reduce your cloud storage expenses."
"The price of the FlashSystem 9100 NVMe is reasonable."
"The solution is priced well."
"The tool's pricing is competitive."
"The product has an average cost."
"On a scale of one to ten, where one is a low price and ten is a high price, I rate the pricing an eight."
"Compared to its competitors, IBM's offering is the most cost-effective."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Manufacturing Company
11%
Financial Services Firm
11%
Government
6%
Computer Software Company
13%
Manufacturing Company
11%
Financial Services Firm
8%
Government
6%
Marketing Services Firm
11%
Government
8%
Computer Software Company
7%
Recreational Facilities/Services Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise11
Large Enterprise12
By reviewers
Company SizeCount
Small Business55
Midsize Enterprise34
Large Enterprise86
By reviewers
Company SizeCount
Small Business8
Midsize Enterprise8
Large Enterprise5
 

Questions from the Community

What do you like most about Pure FlashArray X NVMe?
Pure FlashArray X NVMe helps to improve our processing speed. It is user-friendly and easy to use.
What is your experience regarding pricing and costs for Pure FlashArray X NVMe?
The price of Pure FlashArray X NVMe is very expensive, though I do not know the actual price because I am using the E...
What needs improvement with Pure FlashArray X NVMe?
I have no specific improvements to suggest for Pure FlashArray X NVMe at this time. The performance statistics could ...
What do you think about Dell EMC PowerStore? Is it actually a new product?
PowerStore is flexible, scalable, simple, and performant with market-leading economics for a wide range of legacy and...
How does Dell's EMC PowerStore compare with its EMC Unity XT?
Dell EMC PowerStore is a unified storage platform that has the added benefit of being scalable. The automated managem...
What's the difference between DELL EMC Powerstore and Powermax NVMe?
Dell PowerStore is an all-solid-state midrange storage system. It has many internal elements taken from other Dell of...
What do you like most about IBM FlashSystem 9100 NVMe?
The storage serves the virtual environment. Most of our applications run in the virtual environment, and it serves ne...
What is your experience regarding pricing and costs for IBM FlashSystem 9100 NVMe?
The tool is expensive, though I do not know the specific licensing costs.
What needs improvement with IBM FlashSystem 9100 NVMe?
The solution's compression needs to be improved, as it's not the best. Furthermore, support from the partner could al...
 

Also Known As

Pure FlashArray//X NVMe, Pure FlashArray//X, FlashArray//X
PowerStore
IBM FlashSystem 9100, FlashSystem 9100
 

Overview

 

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company
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Find out what your peers are saying about Dell PowerStore vs. IBM FlashSystem 9100 NVMe and other solutions. Updated: January 2026.
881,821 professionals have used our research since 2012.