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Dell PowerMax vs HPE StoreOnce 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:
 

ROI

Sentiment score
1.0
Organizations reduced costs and improved performance with Pure FlashArray X NVMe, achieving quick ROI and efficient resource management.
Sentiment score
8.2
Dell PowerMax delivers cost savings, enhanced efficiency, increased uptime, and improved performance, leading to high user satisfaction and ROI.
Sentiment score
7.2
HPE StoreOnce enhances cost efficiency, speeds restores, and offers scalability, leading to generally high user satisfaction despite varied ROI.
By opting for the gold subscription every three years, you get a free upgrade to the latest controller release.
If you wait more than seven years to buy another one, you get a return on your investment.
During a DCDR setup and migration from VMAX to Dell PowerMax, what was planned as a two-day downtime was completed in just three to four hours.
The performance metrics or benchmarks I use to measure success with Dell PowerMax include uptime as well as our response times on our platforms, both of which are exactly where we want them to be, which is five nines and as fast as possible.
My client has seen significant ROI since the install, and when you don't go down, that's an ROI in and of itself.
If we request the price for StoreOnce as a standalone product, it tends to be higher than when it is included in a larger solution where we can receive better discounts.
 

Customer Service

Sentiment score
7.1
Pure FlashArray X NVMe's technical support is praised for responsiveness, despite occasional follow-up issues, earning high customer satisfaction.
Sentiment score
8.4
Dell PowerMax's customer service is highly rated for promptness and knowledge, despite some issues with SLA and language barriers.
Sentiment score
7.6
HPE StoreOnce customer service is highly regarded for its responsiveness, knowledgeable staff, reliable service, and flexible support offerings.
With Pure FlashArray X NVMe, we need to escalate the issue and get an account manager for its resolution.
We also had one outage where a controller of one of the products had failed and had to be replaced on-site.
Customers always have their issues resolved promptly.
I would rate Dell PowerMax support as a ten, as I have never had an issue with Dell support as it relates to this product.
Dell support for Dell PowerMax is exceptional, rating a perfect 10 out of 10.
I evaluate Dell's support for PowerMax as very good, especially regarding their response time as well as their willingness to get ahead of issues.
HPE's support is very good, proactive, and monitored through InfoSight.
When we open a case for support during installation or other matters, they are always timely and provide full support.
 

Scalability Issues

Sentiment score
7.1
Pure FlashArray X NVMe offers scalable storage with low latency, easy upgrades, though capacity customization and high costs are noted.
Sentiment score
7.7
Dell PowerMax provides scalable, efficient performance with NVMe, valued for enterprise use despite some cost and scaling speed concerns.
Sentiment score
7.4
HPE StoreOnce is scalable for enterprises, though some models require planning due to capacity limits and additional licensing.
You cannot increase capacity if latency is present.
It is highly scalable.
It is suitable for both medium-sized and enterprise businesses.
Scalability is not an issue.
Dell PowerMax is good for enterprises, and it also depends on how much workload you're going to bring in on Dell PowerMax in terms of performance and how many users are going to use the database you're hosting.
Volumes can be defined to grow to any level without impacting overall performance.
The ability of HPE StoreOnce to scale is strong when more sizing options are available.
The scalability of HPE StoreOnce is very good.
 

Stability Issues

Sentiment score
8.1
Pure Storage offers exceptional stability and reliability with outstanding support, consistently achieving high user ratings for performance and service.
Sentiment score
8.7
Dell PowerMax is highly rated for reliability, performance, and stability, with quick support for occasional issues.
Sentiment score
7.7
HPE StoreOnce is highly stable with consistent performance, rare issues swiftly resolved, and reliability improving with newer models.
During the eight years, there have been no problems such as hardware failure or stopping.
I would rate the stability of the solution as a ten out of ten.
I would rate the stability of the product at seven out of ten.
These patches can be applied on the fly without requiring software upgrades or system downtime.
I would rate it nine out of ten since there are no required downtimes, even during firmware upgrades.
There has been no downtime with Dell PowerMax; it's been extremely reliable, easy to manage, easy to upgrade, and trustworthy as we've upgraded over the years from one version to another.
For the stability of HPE StoreOnce, based on customer feedback, I rate it highly as one of the most stable products in the backup and archiving line.
 

Room For Improvement

Pure FlashArray X requires cost-effective improvements in UI, integration, cloud features, multitenancy, analytics, backup, AI, and scalability.
Dell PowerMax needs improvements in deduplication, UI, cloud integration, cost efficiency, AI, security, and system setup.
Users seek improved deduplication, integration, interface, setup, support, storage, performance, pricing, and cloud features in HPE StoreOnce.
Many options to check performance, like read, writes, random writes, and random reads, are missing in Pure FlashArray X NVMe.
We would appreciate a built-in transparent failover in the next release to eliminate the need for a separate metro cluster.
I'm eagerly anticipating the roadmap's promise of introducing multiple controllers, which could significantly boost scalability and resilience.
Compared to competitors such as NetApp, which integrates with public cloud hyperscalers (GCP, Azure, AWS), Dell PowerMax lacks in this aspect.
Dell can assist by providing plug-and-play integrated templates that allow customers to drag, drop, modify, and connect with any target system for generating snapshots without logging into the storage directly.
Dell PowerMax NVMe is very reliable storage and cannot experience downtime.
It is well-positioned on the radar, with a mature and stable solution.
The benefits of StoreOnce, which we discussed, include its compression capabilities with a ratio of 1 to 10.
While the solution does everything expected, it would be beneficial if AI could be integrated for optimization and monitoring.
 

Setup Cost

Enterprise buyers see Pure FlashArray X NVMe as a justified premium investment due to performance and comprehensive licensing.
Dell PowerMax is costly yet competitive, appreciated for total ownership value, offering various pricing models and potential savings.
HPE StoreOnce setup is costly initially, but offers competitive, feature-rich pricing with capacity-based licensing and bundled support.
While the prices may be higher than those of other vendors, we see it as a market leader with benefits.
The support can be a bit pricey, but the solution is more cost-effective than anything else out there.
Pure FlashArray X NVMe’s pricing is cheaper than other products.
The higher cost compared to other vendors is justified by additional features, vendor-managed upgrades, and superior support services.
It is the best choice for large projects in terms of price and features compared to midrange solutions.
The price is starting from $500,000.
The solution is quite expensive, possibly rated around seven and a half on a scale of one to ten.
 

Valuable Features

Pure FlashArray X NVMe offers exceptional performance, reliability, scalability, and seamless VMware integration, enhancing workload efficiency and user experience.
Dell PowerMax offers advanced performance, security, and efficiency through NVMe, data reduction, and seamless integration, supporting diverse workloads.
HPE StoreOnce provides efficient data management through high-performance deduplication, scalability, and seamless integration for optimal backup and storage solutions.
Pure Storage has signature security technology, which cannot be deleted, even if you are an administrator.
The platform's robust features include excellent sustainability tracking, and a comprehensive dashboard offering insights into IOPS, bandwidth, performance, and virtual activities.
Its data compression feature is the best that we have ever seen.
NVMe provides additional fast cache, similar to random access memory (RAM), which improves overall system performance and read/write experience for users.
Dell PowerMax NVMe is very supportive of our operational growth since we require daily performance from our core banking systems and need to facilitate data movement efficiently.
The key benefits of using Dell PowerMax, quantified in terms of saved hours and saved costs, is having one single platform that provides functionality to all of our internal customers.
If the actual size for backup data is 100 terabytes, using StoreOnce, it will be around less than 10% of the original size due to the 1 to 10 deduplication ratio.
The most effective features for data deduplication are maximizing storage capacity and minimizing expenditure.
The recovery is important.
 

Categories and Ranking

Pure FlashArray X NVMe
Sponsored
Average Rating
9.0
Reviews Sentiment
6.7
Number of Reviews
36
Ranking in other categories
All-Flash Storage (14th), NVMe All-Flash Storage Arrays (6th)
Dell PowerMax
Average Rating
8.8
Reviews Sentiment
7.6
Number of Reviews
84
Ranking in other categories
All-Flash Storage (7th), NVMe All-Flash Storage Arrays (3rd)
HPE StoreOnce
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
108
Ranking in other categories
Deduplication Software (2nd), Disk Based Backup Systems (2nd)
 

Featured Reviews

Jaehoon Oh - PeerSpot reviewer
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.
MayankChauhan - PeerSpot reviewer
Delivers essential support and performance for intensive operations in real-time environments
Our infrastructure is spread across the private as well as a public cloud. Our requirement was that the IOPS latency should not be more than one millisecond. If anything goes beyond one millisecond, it's a problem for us. We wanted a system that could handle the transactions and meet our latency requirements. There are performance benefits for sure. The amount of deduplication and compression offered by Dell PowerMax is quite good, especially with databases. Dell PowerMax delivers optimum performance and reliable support, integral for handling failures and ensuring operational continuity. The performance capacity optimization and support we receive from Dell are also valuable.
Andrew Mcbeath - PeerSpot reviewer
Maximized storage capacity and minimized costs and an easy setup
Most of our client base is between fifty to five hundred end users. We occasionally recommend high-end HPE products for larger clients needing performance and reliability. Our clients predominantly use HPE StoreOnce for small business purposes in industries like dairy and finance Our clients have…
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
11%
Manufacturing Company
11%
Government
6%
Financial Services Firm
17%
Computer Software Company
13%
Manufacturing Company
9%
Government
8%
Computer Software Company
16%
Government
8%
Manufacturing Company
8%
Financial Services Firm
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

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 needs improvement with Pure FlashArray X NVMe?
Adding some functions to the product would be beneficial. Storage replication should be essential, and the analytics ...
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 Dell EMC PowerMax NVMe?
First, it's an enterprise storage solution. This is very important for us. Another important feature is replication.
What is your experience regarding pricing and costs for Dell EMC PowerMax NVMe?
When comparing Dell PowerMax NVMe with other vendors, such as IBM enterprise solutions, the price is relatively higher.
What do you like most about HPE StoreOnce?
I think StoreOnce's deduplication technology is crucial for cost efficiency and faster recovery, especially for backu...
What needs improvement with HPE StoreOnce?
To improve HPE StoreOnce, I think if HPE generates new models with lower capacities than 80 terabytes, it would be be...
 

Also Known As

Pure FlashArray//X NVMe, Pure FlashArray//X, FlashArray//X
Dell PowerMax NVMe, Dell EMC PowerMax, PowerMax
HP StoreOnce
 

Overview

 

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company
Rackspace, Open Line
Eurobank Serbia
Find out what your peers are saying about Dell PowerMax vs. HPE StoreOnce and other solutions. Updated: July 2025.
861,524 professionals have used our research since 2012.