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Dell PowerStore vs VAST Data 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

Everpure FlashArray
Sponsored
Ranking in All-Flash Storage
3rd
Average Rating
9.0
Reviews Sentiment
7.2
Number of Reviews
231
Ranking in other categories
No ranking in other categories
Dell PowerStore
Ranking in All-Flash Storage
1st
Average Rating
8.8
Reviews Sentiment
6.7
Number of Reviews
233
Ranking in other categories
Data Warehouse (4th), NAS (2nd), Enterprise SAN (1st), NVMe All-Flash Storage Arrays (1st)
VAST Data
Ranking in All-Flash Storage
28th
Average Rating
10.0
Reviews Sentiment
7.5
Number of Reviews
2
Ranking in other categories
File and Object Storage (19th), NVMe All-Flash Storage Arrays (10th)
 

Featured Reviews

Sowjanya MV - PeerSpot reviewer
Technical Lead at Wipro Limited
Has improved performance for mission-critical workloads and enabled seamless non-disruptive upgrades
The availability is 99.99%, which is the main factor any customer would need because their data should be available whenever they want to access it. This is one main critical thing. It is very easy to upgrade since Pure Storage FlashArray handles it well. Everything is non-disruptive now; previously, there were forklift shifts, but now that is not the case. Pure Storage FlashArray says no to forklift upgrades. Usually hardware requires downtime, but Pure Storage FlashArray has improved their footprint so that they are not asking for downtime; everything is just a non-disruptive activity, which is why customers are more inclined towards Pure Storage FlashArray. Customers want more of the models in their environment due to the performance they are giving, and everything is in one Pure1 Array console where we can view all the models on one page or just an orchestration tool. You don't miss anything; you have replication, notifications about replication, and details about which host groups replication is happening in and if that replication is successful or failed. On a daily basis, our purpose is to create volumes for infrastructure; our daily activities include creating volumes and mapping them to the host, doing any migrations from a VM, clearing the data stores, and carving the volumes to those VMs. One key factor is the data compression with a ratio of 5:1, focusing on space efficiency, inline deduplication, and the compression Pure Storage FlashArray works on; that is a major factor we can suggest to any customer. Analytical capabilities are crucial. Daily, we check the throughput and consumption, and Pure Storage FlashArray provides predictions for one year regarding usage. This prediction helps plan updates well ahead. For support, we just raise a case, and they follow up and get it done. There is also AI readiness, but with the model R2, we don't have much of that AI readiness. For others, we do have AI readiness that predicts capacity based on daily or monthly trends, enabling us to analyze how much space we need or if we need to expand the disk shelf. From an operational point of view, a good feature is that if you accidentally delete a volume, it will be retained in the destroyed state for the next twenty-four hours, which is not the same with any other vendor. I have worked in this storage domain for the past fifteen years, and this option is remarkable, benefiting any L1 or L2 engineer. Additionally, from a compliance perspective, Pure Storage FlashArray has REST APIs enabled. I have not explored automation much, but from a security standpoint, it is strong with encryption data. If you want to automate, you can easily integrate with all clouds and explore Pure Cloud for scheduling workloads, including volume creation. Customers find benefit in Pure Storage FlashArray's single management pane of glass due to the dual controller and active-active setup. If one of the controllers goes down, all workloads automatically shift to the other controller, ensuring their data is safe and accessible at all times. This is a highlighted feature that any customer desires because their data should always be accessible. For SAN workloads, we use Pure Storage FlashArray because for SAN FC fiber channel, we don't use it; we use NetApp for NAS activities. We have clearly split this, so SAN is for mission-critical applications, while network-attached storage handles file systems. This architecture helps us maximize the benefit from Pure Storage FlashArray due to the significant workloads from this giant retail client. From a footprint and energy consumption perspective, you can see energy consumption from the Pure1 storage portal on a daily basis, and it is very compact. The three models we use consume only three units, which is quite low. From a footprint and data center perspective, it doesn't occupy much space. As everything moves to cloud, there are requirements to avoid excess spending on data centers, and Pure Storage FlashArray is efficient in energy consumption and is environmentally friendly.
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.
Alan Powers - PeerSpot reviewer
HPC CTO at a manufacturing company with 10,001+ employees
Stability-wise, a device that has been up and running for years
The failover capability and resiliency are some of the solution's valuable features. The big thing is resilience because it has richer coding in it, so multiple devices can't fail. Also, one can still access a number of CBoxes that can allow one to access their file system. Once a device fails, it fails the transparency of the end-user, and it just starts using another resource. The encryption capability, the snapshots, along with a whole bunch of features make the tool valuable. VAST Data keeps adding more and more features all the time.

Quotes from Members

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

Pros

"Lone segmentation is simpler and more agile. It's improved the velocity in overall provisioning from project to operation."
"The solution has great efficiencies because it has scalability."
"Overall, Pure Storage FlashArray has never let us down in front of customers so far."
"NVMe data storage platform that's easy to set up and easy to use. It's stable, with a lower response time, and quick technical support."
"Very efficient storage"
"Once it's set up, it just runs on its own and only requires the occasional checkup."
"Their support system has insight into errors on our SAN fabric that we can't see. They've brought attention to and raised awareness for us about things that we couldn't see, when we were experiencing problems."
"I have never experienced an outage with the product or had any support that was below excellent."
"The resilience in Dell PowerStore benefits my company from an auditing perspective because we know we have that resilience in place."
"In my view, if a storage array requires constant monitoring or 'whispers in your ear' every five minutes with issues, it isn't doing its job. Because the sites currently running PowerStore are silent and stable, I consider the Return on Investment to be excellent. It provides exactly the peace of mind we are looking for."
"I have seen a return on investment with Dell PowerStore as it does what we wanted it to do. It gives me peace of mind."
"Dell PowerStore is a very stable solution."
"The rack space I'm saving alone is an ROI because I'm able to then use those racks for more servers."
"The return on investment since switching to Dell PowerStore has been really good."
"The best features in Dell PowerStore are that it's easy to manage; for the customer user interface, customers can start learning and provision everything, and manage the system easily."
"We recommend using Dell PowerStore all-flash storage array model for its high performance, excellent data reduction ratio, very high scalability, and efficiency."
"This has been one of the most reliable storage systems that I have ever used."
"The solution is useful for machine learning and scientific applications, including computer simulations."
 

Cons

"Pure Storage FlashArray has not helped to decrease the total cost of ownership, and I believe our total cost has probably gone up, but that's balanced by our increased amount of data and number of use cases."
"The price of the Pure Storage Flash Array is too high and there needs to be more contract clarity."
"There was some complexity in the initial setup."
"I would like to see more cloud integration."
"If there is one thing that I did not appreciate about Pure, it is that between the two different lines, which would be FlashBlade and Everpure FlashArray, there is no easy way to migrate LUNs as far as being able to replicate across those platforms."
"Awareness about Pure Storage needs to increase. Currently, people mostly think of Dell and NetApp when it comes to storage."
"The backend of this solution utilizes an Active/Passive architecture, rather than an Active/Active architecture, which is a disadvantage, when compared to some of its competitors. Its storage capacity should be expanded in the next release."
"Pure Storage can improve FlashArray by providing more logging visibility to customers. Currently, there is no log visibility."
"When a customer wants to increase any type of size, the only limitation is that the customer has to add an entire appliance."
"From my experience, Dell PowerStore is the best option on the market at the moment, but the worst thing is the price, which is too high compared to IBM or other vendors."
"There are crashes from time to time. We had a controller problem once where something broke."
"My only concern is with the procurement process, which takes longer when we procure Dell products."
"The networking was difficult and complicated. It took as long to configure it correctly for the networking, as to roll it out."
"One area for improvement with Dell PowerStore is the integration with our monitoring tools, which has been a bit challenging."
"The networking of Dell PowerStore needs to be enhanced."
"While using Dell PowerStore's interface in our organization, we sometimes miss out on some information."
"The read/write ratio is an area in the solution with some flaws and needs improvement."
"The write performance could be improved because it is less than half of the read performance."
 

Pricing and Cost Advice

"I would rate it a seven out of ten for pricing. It could be improved."
"The pricing is an issue. However, being all-flash, it will always be sort of expensive."
"Pure Storage is all-flash, so this sometimes tends to make it a bit more expensive in the beginning."
"There is an annual or perpetual license required for this solution."
"The price of the solution can be a bit expensive. There is an additional fee for support."
"Dell and Pure Storage offer competitive pricing, but Pure Storage might have a slight advantage."
"The price was more favorable than Dell EMC."
"Pure is typically more expensive than everyone else. You get what you pay for, but I have lost deals to similar solutions because of pricing. They include everything, and that's another positive about Pure Storage. They aren't trying to nickel and dime their customers for different features. It is all included in one price. The license is by capacity, and the price depends on the capacity and the discount we're getting from the vendor. You get the SKU of the physical appliance, support, and maintenance, and that's it. You're licensed for whatever feature they offer. It is all rolled up into the price of the appliance."
"There's still a cap on the upgrade path, where you can consume all the engines within the frame before you have to go to another frame... Normally, we exceed the IOPS on the frames before we can ever exhaust the storage, so anything they can do to help us avoid stranded storage capacity, capacity that we couldn't get to, would be beneficial."
"The software features are included in the pricing without any additional purchase requirements."
"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."
"PowerStore's pricing is reasonable."
"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."
"Dell PowerStore is affordable and the license is just a face license which is great."
"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 price of Dell EMC PowerStore could be better, it is a bit expensive."
"Price-wise, VAST Data is not the cheapest, not the most expensive one."
"We acquired VAST Data as a one-time, capital purchase."
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Top Industries

By visitors reading reviews
Manufacturing Company
13%
Financial Services Firm
11%
Construction Company
10%
Comms Service Provider
7%
Manufacturing Company
12%
Computer Software Company
10%
Financial Services Firm
9%
Outsourcing Company
7%
Financial Services Firm
14%
Manufacturing Company
11%
Computer Software Company
9%
Healthcare Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business71
Midsize Enterprise38
Large Enterprise159
By reviewers
Company SizeCount
Small Business78
Midsize Enterprise45
Large Enterprise116
No data available
 

Questions from the Community

Which should I choose: HPE 3PAR StoreServ or Hitachi Virtual Storage Platform F Series?
Both are great platforms, but if you are considering all flash solutions, I would recommend you to consider Pure Stor...
What is your experience regarding pricing and costs for Pure Storage FlashArray?
I find the pricing of Everpure FlashArray to be quite high compared to other storage solutions; however, the reliabil...
What needs improvement with Pure Storage FlashArray?
I believe we have covered the most important features; the architecture of Pure Storage is essential, and features su...
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...
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Also Known As

Pure Storage FlashArray
PowerStore
No data available
 

Overview

 

Sample Customers

Nielsen, Lamar Advertising, LinkedIn, Betfair, UT-Dallas
Information Not Available
Norwest Venture Partners, General Dynamics Information Technology, Ginkgo Bioworks
Find out what your peers are saying about Dell PowerStore vs. VAST Data and other solutions. Updated: June 2026.
908,834 professionals have used our research since 2012.