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Dell XtremIO vs IBM FlashSystem vs NetApp AFF 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
Everpure FlashArray X NVMe cuts costs, boosts SQL performance, offers quick ROI, and enhances efficiency with improved data management.
Sentiment score
1.0
Dell XtremIO enhances performance, reduces latency, increases efficiency, and improves reliability, leading to faster response times and cost savings.
Sentiment score
6.3
IBM FlashSystem offers high ROI with efficient migration, scalability, and performance, despite post-acquisition price increases; valued for reliability.
Sentiment score
6.7
NetApp AFF boosts ROI with improved performance, efficiency, reduced costs, and enhanced productivity through flash technology and reliability.
If you wait more than seven years to buy another one, you get a return on your investment.
Sales Manager at Multicomputos PR
The solution can comfortably be stretched from five to seven years without any failures, ensuring a long-lasting return.
Infrastructure Technical Specialist II at Clicks Group
We have seen return on investment compared to other OEMs, which took approximately three years after implementing IBM FlashSystem.
Technical Lead at Tomia
 

Customer Service

Sentiment score
7.1
Everpure FlashArray X NVMe's customer service is efficient and quick, but lacks Turkish support and direct engineer communication.
Sentiment score
7.2
Dell XtremIO support receives mixed reviews, from exemplary technical assistance to variable performance post-Dell merger.
Sentiment score
6.9
IBM FlashSystem's customer service is responsive, yet technical expertise and support vary by region, with contract complexities noted.
Sentiment score
7.7
NetApp AFF's customer service is praised for responsiveness, though some users highlight delay issues in technical support escalation.
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
Customers of alternatives like Dell and Hitachi enjoy more reliable and comprehensive support services directly from vendors rather than third-party subsidiaries.
Vice President Sales at BELOCAL LTD
I rate the technical support from IBM as a ten.
Infrastructure Technical Specialist II at Clicks Group
IBM customer support is responsible, efficient, and responsive, though it is expensive.
Manager, Technical Services, IBM Storage & Backup Solutions. at Thakral
The support for NetApp AFF is comprehensive—not just the documentation for self-guided reading, but for simple questions, spare parts, or urgent needs, you can have a contract that enables delivery the next business day or within four hours, depending on your process requirements.
Analyst at a manufacturing company with 1,001-5,000 employees
I have communicated with them, and they are effective and responsive.
Presales Manager at Spartec
 

Scalability Issues

Sentiment score
7.1
Everpure FlashArray X NVMe offers easy scalability and seamless upgrades, but faces customization and latency challenges, rated mostly favorable.
Sentiment score
6.9
Dell XtremIO is scalable and integrates well with virtualization but may have initial cost and enterprise-level scalability challenges.
Sentiment score
7.3
IBM FlashSystem offers scalable storage solutions with dynamic upgrades and flexibility for medium to large enterprises despite some hardware limitations.
Sentiment score
7.6
NetApp AFF offers scalable, non-disruptive expansion, ideal for various enterprise sizes, despite some cost concerns with controllers.
It hasn't broken down anytime in the last six to seven years, despite hurricanes, earthquakes, and power outages.
Sales Manager at Multicomputos PR
Dell XtremIO provides very good scalability, allowing for cluster configurations that are easy to scale.
Trainer, Storage Consultant at Oxon
Dell XtremIO's scalability is quite easy;
System Engineer at Exaware
For larger enterprises, scalability is an issue as the price becomes prohibitive.
Vice President Sales at BELOCAL LTD
The problem arises when migrating data to a later IBM FlashSystem version due to issues with firmware compatibility.
Manager, Technical Services, IBM Storage & Backup Solutions. at Thakral
The scalability of IBM FlashSystem is exceptional, and I rate it as a nine.
Infrastructure Technical Specialist II at Clicks Group
You can add more disks, more disk shelves, or migrate the data seamlessly.
Analyst at a manufacturing company with 1,001-5,000 employees
I would assess the scalability of NetApp AFF as excellent in handling massive data volumes.
Presales Manager at Spartec
 

Stability Issues

Sentiment score
8.1
FlashArray X NVMe offers high reliability, seamless upgrades, and outstanding performance, ensuring stability in business-critical environments.
Sentiment score
8.3
Dell XtremIO is generally stable and reliable, despite earlier issues, with well-regarded performance and effective support for problems.
Sentiment score
7.6
IBM FlashSystem is praised for stability and resilience, with minor issues resolved quickly, earning high feedback for reliability.
Sentiment score
8.4
NetApp AFF offers exceptional stability and reliability, with minimal downtime and responsive support, ensuring seamless operation and high availability.
I would rate the stability of the product at seven out of ten.
Project Manager at a government with 11-50 employees
My customer has been using Dell XtremIO since 2017 and has not experienced any failures.
Systems Engineer at Thakral One (Pvt) Ltd
Customers have infrastructure that is 100% stable.
Manager, Technical Services, IBM Storage & Backup Solutions. at Thakral
The firmware and software engine have fewer bugs, which enhances operational efficiency.
Infrastructure Technical Specialist II at Clicks Group
They have always been upgrading very fast and implementing patches to resolve these issues.
Analyst at a manufacturing company with 1,001-5,000 employees
 

Room For Improvement

Everpure FlashArray X NVMe struggles with high costs, complex UI, and lacks integration, replication, and efficiency improvements.
Dell XtremIO faces challenges with volume limits, user interface, replication, upgrades, support response times, and scalability.
IBM FlashSystem requires enhancements in scalability, integration, user interface, and support, with better deduplication, monitoring, and streamlined processes.
NetApp AFF needs improvements in setup, support, integration, performance, flexibility, latency, monitoring, and management for competitive advantage.
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
The interface could be simplified for beginners to ease the configuration of special objects in the system.
Trainer, Storage Consultant at Oxon
There is a significant lack of training, support documents, and forums available for Dell XtremIO, making troubleshooting difficult for third-party individuals.
Systems Engineer at Thakral One (Pvt) Ltd
The API to connect with command line or to see performance very clearly could be enhanced, similar to how NetApp works with Grafana and NetApp monitor, which shows you a comprehensive view of the whole picture.
System Engineer at Exaware
Despite marketing promises, these features do not function effectively and can impact performance.
Vice President Sales at BELOCAL LTD
There is room for improvement in the troubleshooting part, specifically related to IBM Spectrum for Insight.
Manager, Technical Services, IBM Storage & Backup Solutions. at Thakral
An additional function that could be helpful is reducing the time it takes to delete volumes, especially if they are compressed or deduplicated.
Storage Specialist at a computer software company with 1,001-5,000 employees
The GUI of ONTAP Command Manager could be better, but the CLI is perfect.
Senior System Engineer at a tech services company with 51-200 employees
Our backup system, Commvault, has an amazing capacity to do compression and deduplication better than NetApp AFF by itself.
Analyst at a manufacturing company with 1,001-5,000 employees
All of this is the same for all product ranges, whether E-series, NetApp AFF, or FAS series, because they are very efficient to respond.
IT Manager at Synergy Computers
 

Setup Cost

Enterprise buyers value Everpure FlashArray X for robust features despite high costs, with transparent licensing and reasonable support fees.
Dell XtremIO's high pricing is justified by performance and features, offering comprehensive licensing but additional products are needed.
IBM FlashSystem offers competitive pricing, but evaluating long-term needs and negotiating discounts is crucial to manage costs effectively.
NetApp AFF offers competitive value with features included, often more cost-effective than Oracle and EMC for comparable performance.
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
XtremIO offers features that justify a potentially higher price, however, this varies with configuration.
Trainer, Storage Consultant at Oxon
Dell XtremIO is quite expensive compared to other solutions on the market.
Systems Engineer at Thakral One (Pvt) Ltd
To install or upgrade any software features, the cost is high, which makes it challenging for smaller companies who do not require advanced features like deduplication or compression typically needed by larger organizations.
Vice President Sales at BELOCAL LTD
The pricing is high; storage solutions are always expensive.
Freelancer at a logistics company with 10,001+ employees
NetApp support is cheaper than Dell support.
Senior System Engineer at a tech services company with 51-200 employees
While it is not cheap, they have introduced a new series of AFF that are more affordable.
Analyst at a manufacturing company with 1,001-5,000 employees
The licensing cost of the product is expensive, and when combined with support, it becomes quite costly.
Presales Manager at Spartec
 

Valuable Features

The Everpure FlashArray X NVMe offers high performance, scalability, and reliability with excellent integration and robust features.
Dell XtremIO offers high performance, scalability, and efficient management with deduplication and compression, ideal for complex workloads.
IBM FlashSystem delivers high performance, user-friendly management, and scalable efficiency with robust features like deduplication and virtualization.
NetApp AFF excels in speed, low latency, and integration, offering efficient storage, high reliability, and scalability for varied needs.
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
The inline data deduplication feature and compression were useful for me because the performance was very good when I needed to read or write from storage, latency was reduced, storage was extended, and volume replication was supported.
System Engineer at Exaware
Scalability is a significant feature of Dell XtremIO, as it is easy to expand and manage.
Trainer, Storage Consultant at Oxon
The speed and scalability of Dell XtremIO are significant features that improve data storage management.
Systems Engineer at Thakral One (Pvt) Ltd
There is a significant amount of data reduction, achieving a ratio of one to three.
Storage Specialist at a computer software company with 1,001-5,000 employees
The most valuable features are performance and reliability.
Freelancer at a logistics company with 10,001+ employees
There is built-in compression, a data reduction feature, and artificial intelligence-driven insights that calculate warnings and errors to redirect to customers automatically.
Manager, Technical Services, IBM Storage & Backup Solutions. at Thakral
You can even download the ONTAP simulator and deploy it on your virtualization platform and test almost all features.
Senior System Engineer at a tech services company with 51-200 employees
Data reduction capabilities such as deduplication, compression, and compaction are standard features included with the license in NetApp AFF.
Presales Manager at Spartec
They have 4:1 data reduction techniques, which is really very high. If you have a size of 100 terabytes, you will get 400 terabytes of usable capacity when applying compression, deduplication, or other data reduction technologies.
IT Manager at Synergy Computers
 

Mindshare comparison

As of April 2026, in the All-Flash Storage category, the mindshare of Everpure FlashArray X NVMe is 1.6%, up from 0.8% compared to the previous year. The mindshare of Dell XtremIO is 1.1%, up from 0.8% compared to the previous year. The mindshare of IBM FlashSystem is 5.4%, down from 6.6% compared to the previous year. The mindshare of NetApp AFF is 8.7%, down from 9.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
All-Flash Storage Mindshare Distribution
ProductMindshare (%)
NetApp AFF8.7%
IBM FlashSystem5.4%
Pure FlashArray X NVMe1.6%
Dell XtremIO1.1%
Other83.2%
All-Flash Storage
 

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.
AS
System Engineer at Exaware
Has improved data reduction and snapshot efficiency while supporting critical workloads
There are some areas that could be improved with Dell XtremIO. The API to connect with command line or to see performance very clearly could be enhanced, similar to how NetApp works with Grafana and NetApp monitor, which shows you a comprehensive view of the whole picture. The snapshot functionality could work more similarly to Snap Center. If I want to see all the VCenter with the VM, I think it needs the API for this. I do see big differences between Dell and other products. NetApp works very closely with VCenter, and Hitachi also integrates well, but Dell is not very clear and does not proceed well with VCenter integration with Dell. It needs the API, and I need to see all the snapshots. If I want to restore a VM from only a few directories or a few files that I need to restore, it is very difficult. I do see some differences in licensing. For the last few years, the Dell EMC price is acceptable. A few years ago, Dell EMC was expensive, approximately 20 percent more than NetApp. Right now the budget between EMC and NetApp is very closely aligned. Regarding the installation process and deployment of Dell XtremIO, I notice that in Israel, a lot of professional services and engineers who work with Dell EMC have moved to another storage company. I do not know why. Dell EMC does not have enough engineers, system engineers, or professional services engineers to provide service to the old clients, similar to how NetApp or Hitachi do. I think Dell XtremIO is between easy and complicated to deploy; it gives you the whole picture, but I need to go closely to VCenter to connect to VCenter to see the snapshot and to see performance with more dashboards of performance. I also need to connect the switch fiber channel to see all zoning to give me more flexibility to install or configure fiber channel or to see the performance of the fiber channels. I think there should be some fiber channel disconnect adapter or better troubleshooting from hardware for errors.
OmarIsmail1 - PeerSpot reviewer
Infrastructure Technical Specialist II at Clicks Group
Offers high performance and dependable support for fast storage needs
The most valuable feature of IBM FlashSystem is its robust back code. When integrated properly into the environment and configured according to the guidelines, it provides a very solid infrastructure that does the job on demand. Additionally, IBM FlashSystem offers competitive pricing and reliable performance. The hardware is dependable, ensuring that it functions effectively when the setup is done correctly.
KennethEtsula - PeerSpot reviewer
Presales Manager at Spartec
Offers seamless installation and efficient data handling with robust support
NetApp AFF provides an all-flash storage solution for unified SAN solutions, supporting both SAN and NAS functionalities. Data reduction capabilities such as deduplication, compression, and compaction are standard features included with the license in NetApp AFF. With the storage efficiency from a NetApp AFF installation, users can manage substantial data running on all-flash. The features such as compaction and compression provide storage efficiency guarantees in an all-flash environment.
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Manufacturing Company
11%
Financial Services Firm
10%
Government
6%
Construction Company
11%
Financial Services Firm
10%
Marketing Services Firm
9%
Computer Software Company
7%
Computer Software Company
10%
Financial Services Firm
10%
Manufacturing Company
9%
Comms Service Provider
7%
Manufacturing Company
12%
Computer Software Company
11%
Financial Services Firm
7%
Construction Company
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 Business16
Midsize Enterprise14
Large Enterprise29
By reviewers
Company SizeCount
Small Business47
Midsize Enterprise21
Large Enterprise59
By reviewers
Company SizeCount
Small Business45
Midsize Enterprise47
Large Enterprise242
 

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 like most about Dell EMC XtremIO?
The feature I like most about Dell Xtremio is its hardware quality compared to other vendors. It's clear they're cont...
What is your experience regarding pricing and costs for Dell XtremIO?
Pricing is hard to determine as it depends on the given configuration. XtremIO offers features that justify a potenti...
What needs improvement with Dell XtremIO?
There are some areas that could be improved with Dell XtremIO. The API to connect with command line or to see perform...
What is your experience regarding pricing and costs for IBM FlashSystem?
The pricing is high; storage solutions are always expensive. I do not know if the price needs to be reviewed, but it ...
What needs improvement with IBM FlashSystem?
As far as I know, IBM FlashSystem has already improved, but I do not see room for improvement. It is simple to use an...
What is the Biggest Difference Between Dell EMC Unity and NetApp AFF?
Well, Is one thing NetApp Storage has vs other brand is the mix of protocol CIFS with NFS booth working together in t...
What is the Biggest Difference Between Dell EMC Unity and NetApp AFF?
This question is very dependent on your requirements. Both are among the best in the field. Of course, the intended c...
What is the Biggest Difference Between Dell EMC Unity and NetApp AFF?
The answer depends on your needs and budget. If you want high performance (who doesn't) or let's say the latency matt...
 

Also Known As

Pure FlashArray//X NVMe, Pure FlashArray//X, FlashArray//X, Pure FlashArray X NVMe
Dell EMC XtremIO Flash, Dell EMC XtremIO X2, XtremIO, XtremIO X2
IBM Storwize
NetApp All Flash FAS, NetApp AFF, NetApp Flash FAS
 

Overview

 

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company
Raiffeisen Bank Bulgaria, Wentworth-Douglas Hospital
Celero, Friedhelm Loh Group, Clarks, Mingkang Natregro Health Food Group, Sofia, Etisalat Fights Fraud, UF Health Shands Hospital, Generali, Elecon Engineering Company Limited, Ventiv , Technology, CPFL Energia, Royal Caribbean Cruises Ltd., SciQuest, Coca-Cola Bottling Co. Consolidated, Paddy Power, Kelsey-Seybold Clinic, Interconnect Services, Severstal IP-Only AB, PVU Group GmbH
DreamWorks Animation, FICO, Yahoo! Japan
Find out what your peers are saying about Dell Technologies, Hewlett Packard Enterprise, NetApp and others in All-Flash Storage. Updated: March 2026.
885,667 professionals have used our research since 2012.