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Dell PowerStore 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
5.7
Dell PowerStore boosts efficiency and reduces costs with enhanced data management, NVMe reliability, and compression features, exceeding business expectations.
Sentiment score
7.2
HPE StoreOnce enhances cost efficiency, speeds restores, and offers scalability, leading to generally high user satisfaction despite varied ROI.
If you wait more than seven years to buy another one, you get a return on your investment.
Sales Manager at Multicomputos PR
If you purchase storage with 300 terabytes, you can easily achieve one petabyte of effective capacity.
Regional Sales Manager at New Horizon Computers
It's been trouble-free the entire time, with very high performance, as it has been designed and built properly.
Storage Engineer at a energy/utilities company with 1,001-5,000 employees
We have seen a return on our investment in Dell PowerStore; definitely our cost per terabyte has been very good compared to some of the other vendors that we would have been using previously, and our performance benchmarks have exceeded what we were expecting.
Director of Global Platform at a computer software company with 51-200 employees
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.
HPE Product Manager at a tech services company with 51-200 employees
 

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
6.4
Dell PowerStore support receives varied reviews, praised for responsiveness but occasionally criticized for communication and logistical delays.
Sentiment score
7.6
HPE StoreOnce customer service is highly regarded for its responsiveness, knowledgeable staff, reliable service, and flexible support offerings.
Customers always have their issues resolved promptly.
Sales Manager at Multicomputos PR
Technical support is good at least through vendors, not directly with the principal.
Infrastructure Specialis at a tech services company with 1-10 employees
I would rate the technical support of Dell PowerStore between nine and ten out of ten.
Solution Architect at CDA
They're responsive, knowledgeable, and have a quick turnaround.
Systems Engineer at a government with 11-50 employees
On a scale of one to ten, I would rate Dell support as a ten, focusing on that aspect alone, because it's what allows me to sleep at night.
Head of IT at a manufacturing company with 1,001-5,000 employees
HPE's support is very good, proactive, and monitored through InfoSight.
Technical Director of Managed IT Division at base2
When we open a case for support during installation or other matters, they are always timely and provide full support.
HPE Product Manager at a tech services company with 51-200 employees
 

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
6.9
Dell PowerStore offers scalable and flexible solutions, accommodating diverse needs with easy expansion and versatile configurations for any business size.
Sentiment score
7.4
HPE StoreOnce is scalable for enterprises, though some models require planning due to capacity limits and additional licensing.
It hasn't broken down anytime in the last six to seven years, despite hurricanes, earthquakes, and power outages.
Sales Manager at Multicomputos PR
The solution's scalability is a ten out of ten.
Pre-Sales Manager at a tech services company with 51-200 employees
It scales up and scales out both ways, and as our data keeps growing, it is very easy to just keep attaching and keep growing.
Associate Director at a manufacturing company with 10,001+ employees
Scaling up can be done from a single enclosure that already has two controllers to a maximum of four storage units with up to eight controllers, and a massive amount of storage can be added.
Nutanix at Senior System Engineer
The ability of HPE StoreOnce to scale is strong when more sizing options are available.
HPE Product Manager at a tech services company with 51-200 employees
The scalability of HPE StoreOnce is very good.
Technical Director of Managed IT Division at base2
 

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
7.6
Dell PowerStore is stable and dependable, with reliable performance despite occasional upgrade bugs, offering strong alerting and failover capabilities.
Sentiment score
7.7
HPE StoreOnce is highly stable with consistent performance, rare issues swiftly resolved, and reliability improving with newer models.
I would rate the stability of the product at seven out of ten.
Project Manager at a government with 11-50 employees
When I removed all the cables, it failed over within five minutes.
Consultant
It's quite stable and reliable in general.
Architect at a comms service provider with 10,001+ employees
There are no bugs or glitches and it doesn't crash or freeze.
Adv. Service Manager at ECC Solutions
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.
HPE Product Manager at a tech services company with 51-200 employees
 

Room For Improvement

Pure FlashArray X requires cost-effective improvements in UI, integration, cloud features, multitenancy, analytics, backup, AI, and scalability.
Dell PowerStore requires enhancements in stability, integration, features, scalability, and user experience for better performance and customer satisfaction.
Users seek improved deduplication, integration, interface, setup, support, storage, performance, pricing, and cloud features in HPE StoreOnce.
One way to improve the product is to add an operational assistant that doesn't depend on VMware.
Sales Manager at Multicomputos PR
I would like to see some AI features that would allow arrays to intelligently identify threats or unusual behavior in the data pattern and give an alert.
Cloud Architect at DXC Technology
Storage replication should be essential.
Infrastructure Specialis at a tech services company with 1-10 employees
Something needs to be done with the caching to ensure that if some issue occurs, there needs to be an ability to disable caching during maintenance to make it static, safe, and good.
CISO Admin at a analyst firm with 51-200 employees
Pricing must also be considered, as Dell PowerStore is quite expensive compared to competitors in the market like HPE Alletra, Huawei Dorado, or Hitachi storage, for example.
Unit Head - Technology Services at Shahnawaz Ltd
The main reason why people move to Pure Storage is because it's simplified.
IT Director at a recreational facilities/services company with 10,001+ employees
It is well-positioned on the radar, with a mature and stable solution.
Infrastructure Manager at a paper AND forest products with 10,001+ employees
The benefits of StoreOnce, which we discussed, include its compression capabilities with a ratio of 1 to 10.
HPE Product Manager at a tech services company with 51-200 employees
While the solution does everything expected, it would be beneficial if AI could be integrated for optimization and monitoring.
Technical Director of Managed IT Division at base2
 

Setup Cost

Enterprise buyers see Pure FlashArray X NVMe as a justified premium investment due to performance and comprehensive licensing.
Dell PowerStore offers competitive value, straightforward licensing, and cost-effectiveness, with flexibility and attractive deduplication guarantees.
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.
Manager, System Infrastructure & Security at Organik Kimya San. ve Tic. A.S.
The support can be a bit pricey, but the solution is more cost-effective than anything else out there.
Sales Manager at Multicomputos PR
Likely the cost is $400,000 whereas IBM may be $250,000.
Adv. Service Manager at ECC Solutions
Based on my experience, the cost of Dell PowerStore for around 500 GB of capacity is very competitive compared to any other platform in the market.
Deputy General Manager at HCLSoftware
I asked for a new quotation on a server, and it is quite expensive; it is really expensive.
Responsable Plateformes Et Cloud at a media company with 5,001-10,000 employees
The solution is quite expensive, possibly rated around seven and a half on a scale of one to ten.
Technical Director of Managed IT Division at base2
 

Valuable Features

Pure FlashArray X NVMe offers exceptional performance, reliability, scalability, and seamless VMware integration, enhancing workload efficiency and user experience.
Dell PowerStore offers ease of use, flexibility, performance, scalability, data reduction, and seamless VMware integration, enhancing IT operations.
HPE StoreOnce provides efficient data management through high-performance deduplication, scalability, and seamless integration for optimal backup and storage solutions.
Its data compression feature is the best that we have ever seen.
Sales Manager at Multicomputos PR
Pure FlashArray X NVMe helps to improve our processing speed.
Manager, System Infrastructure & Security at Organik Kimya San. ve Tic. A.S.
We are satisfied with the performance as it is significantly faster compared to traditional storage options.
Project Manager at a government with 11-50 employees
This includes storage sharing, adding servers to the service, and the wireless host connection on the network side.
Senior System Administrator at a comms service provider with 201-500 employees
Dell PowerStore offers good integration capabilities, especially since it helps with backup, which is an important aspect.
CISO at a construction company with 10,001+ employees
In terms of whether my company could reduce the power consumption with Dell PowerStore, I would say that my company had a use case with a customer around three weeks ago where their old Dell EMC VNX Storage System used to draw about 2500 watts compared to Dell PowerStore which drew about 800 watts, which is a really a big saving looking at the twenty-four hours and seven days of usage of the system.
Data Center Consultant at a retailer with 11-50 employees
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.
HPE Product Manager at a tech services company with 51-200 employees
The most effective features for data deduplication are maximizing storage capacity and minimizing expenditure.
Technical Director of Managed IT Division at base2
The recovery is important.
Infrastructure Manager at a paper AND forest products with 10,001+ employees
 

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 (17th), NVMe All-Flash Storage Arrays (6th)
Dell PowerStore
Average Rating
8.8
Reviews Sentiment
6.7
Number of Reviews
155
Ranking in other categories
Data Warehouse (4th), NAS (1st), Enterprise SAN (1st), All-Flash Storage (1st), NVMe All-Flash Storage Arrays (1st)
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
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.
NW
HPE Product Manager at a tech services company with 51-200 employees
Collaborate effectively with partners and benefit from robust data management capabilities
The functions of HPE StoreOnce that I find most valuable are its deduplication and replication options. These features save data and reduce the size of data significantly. 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. So, compression and replication are critical features I appreciate. Additionally, adaptive backup and restore capabilities of HPE StoreOnce are indeed very helpful functions. As I know from my technical team, the process is very easy for end users because the GUI and user experience with StoreOnce are straightforward. They can restore their backups at any time. An important feature of StoreOnce is that they can reserve an amount of storage capacity as protected capacity for a limited time, safeguarding their data against intrusion and other interactions. Based on feedback from customers, StoreOnce is regarded as a highly useful solution for backup. I am satisfied with the security aspects of HPE StoreOnce, but it's crucial for any company to maintain a multi-layer security approach. Starting with a firewall is essential for maintaining their environment. Additionally, security features on StoreOnce are useful. I believe that no company should rely solely on one layer of security; they should adopt a multi-layer security strategy that begins at the network level and extends to their internal solutions.
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Manufacturing Company
11%
Financial Services Firm
11%
Government
6%
Computer Software Company
16%
Manufacturing Company
11%
Financial Services Firm
8%
Comms Service Provider
6%
Computer Software Company
14%
Manufacturing Company
10%
Financial Services Firm
8%
Government
6%
 

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 Business50
Midsize Enterprise34
Large Enterprise76
By reviewers
Company SizeCount
Small Business38
Midsize Enterprise31
Large Enterprise49
 

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 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
PowerStore
HP StoreOnce
 

Overview

 

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company
Information Not Available
Eurobank Serbia
Find out what your peers are saying about Dell PowerStore vs. HPE StoreOnce and other solutions. Updated: December 2025.
879,768 professionals have used our research since 2012.