Kaminario K2 [EOL] vs NetApp AFF comparison

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Silk and NetApp are both solutions in the All-Flash Storage category. Additionally, 94% of Silk users are willing to recommend the solution, compared to 98% of NetApp users who would recommend it.

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Executive Summary

We performed a comparison between Kaminario K2 [EOL] and NetApp AFF based on real PeerSpot user reviews.

Find out what your peers are saying about Dell Technologies, Everpure (formerly Pure Storage), Hewlett Packard Enterprise and others in All-Flash Storage.

To learn more, read our detailed All-Flash Storage Report (Updated: October 2026).

Buyer's Guide

All-Flash Storage

October 2026

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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

Featured Reviews

Cristian Ion

Senior Information Technology Engineer at Eta2u

All-flash storage has unified my clients’ workloads and has reduced TCO through efficient data services

The pricing and licensing of Everpure FlashArray is a problem because Everpure is considered more expensive than competitors. IBM, Lenovo, and Dell are more aggressive on prices. It is a very complicated market, especially now, and I understand the prices are higher at Everpure because of the software and all the enhancements it has. However, in this competitive market, we have a big problem selling to customers that are on a tight budget. A product with better pricing would be a win in the end. The RC or C20, for example, was a very good product that I could sell more easily than other options. Everpure FlashArray//C is sufficient for most workloads and virtualization workloads if you do not have very large databases. A product like that helps, and perhaps a new product in the future that is a little cheaper than the current options would be a possibility to gain more market share. I see the return on investment clearly from using Everpure FlashArray, but the challenge is selling it to customers for the first time. There are many customers who fall in the sweet spot where they are too small for an X or even a C model. They need something a little cheaper, they have the money for a cheaper version, and they need the performance of a Pure system. These customers could be more easily approached if Everpure offers a version of a local device in the future that is even cheaper than the C-class. I am trying now to help customers understand the concept behind AG1. I know that AG1 is not profitable if capacity is less than 50 terabytes. However, some customers would be very willing to pay for 25 terabytes in a cloud operated by Pure and to have it accessible with very good speed. We will see what the future brings.

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Engineerdb78

Network Engineer at a comms service provider with 10,001+ employees

A solution with a simple configuration and good stability but it's quite expensive

Access to technical support should be improved for our region. Technical support is good, but they're very hard to access. When we have a problem with this storage, it's usually related to a very bad configuration. All-Flash Storage is very, very expensive. They are important solutions so I don't really have any ideas about how to rectify this. The device could use better monitoring tools.

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Mir Gulzar Ahmed

IT Manager at Synergy Computers

Unified storage has delivered efficient AI analytics and low latency for critical workloads

There might be some lag or response time with respect to support cases, but even then I will rate it 8.5 out of 10. 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. The only reason I rated it 8.5 is because the warehouse for spare parts, when a problem comes, a spare is needed to replace it, for example, a disk. In Pakistan, they have only one warehouse in Karachi. This warehouse manages all the problems when a problem comes. They ship the part based on the customer use case and customer service request. That is the only reason I rate it 8.5 because they have only one warehouse in Pakistan, which is in Karachi. For example, if a problem comes in Islamabad, it will take time to deliver the spare because the part will be shipped from Karachi to Islamabad, which will take around maybe a day. Other OEMs have their warehouses in Islamabad, Lahore, and Karachi also. In terms of part replacement requirements, they are very efficient in that area because they have warehouses in multiple cities of Pakistan.

Read full review

Quotes from Members

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

Pros

"My advice to others looking into using Everpure FlashArray is that it's a really good product, especially if your main purpose is to get high speed with more redundancy and reliability; then go for it."

"The most valuable feature is its speed."

"Lone segmentation is simpler and more agile. It's improved the velocity in overall provisioning from project to operation."

"When you put all of the features in a box, leverage them and migrate your application to one of these arrays, it will give you a lot of benefits."

"Pure Storage FlashArray has helped decrease the total cost of ownership because we know what the cost is going to be every year; we don't get any hidden fees or upgrade fees, everything is included in the price."

"Remote assist is a valuable feature that supports customers and engineers in troubleshooting and resolving issues, allowing for easy problem identification and repair."

"It has improved my organization in the way that now we have lower latency, we get fewer complaints from customers, and we see a constant response time."

"It is all-flash. This makes it a lot faster than the rest of what we have, as it is able to drive high I/O loads, which is big for us."

More Everpure FlashArray pros

"Rocketing IOPS results in performance we don't have to fixate on, so we can instead focus efforts on other layers in the stack, knowing that our SAN layer is lightning fast, with capacity to spare."

"The increased performance is many times above our previous array performance in all metrics. Integration with vSphere features is also a definite plus."

"Scale out is a differentiator for them, especially in the enterprise market. It's key for a lot of customers."

"Using snapshots allows us to automate production database refreshes to development environments in minutes, rather than in hours."

"The GUI is very straightforward and easy to use."

"Inline compression"

"Data reduction and snapshot abilities: Smaller footprint in the datacenter (lower cost for power, cooling, etc.)."

"It has a very good duplication rate; very, very good."

More Kaminario K2 [EOL] pros

"The MetroCluster feature allowed us to continue our operations (without business interruption) when we stopped one of the sites."

"NetApp AFF's flash technology offers great performance. This feature has been my go-to for managing data and ensuring speed and reliability."

"For the company I installed this for, their data warehouse system and ERP is ten times faster than it was before when they were using hard discs."

"Multi-platform support is one of the most valuable features."

"NetApp has helped eliminate storage as a limiting factor in our business."

"I would absolutely encourage everybody to implement such a system because it's really, really performing so good and latencies are just excellent."

"Once you go to it, you don't go back."

"The solution is great; the company is fantastic to work with."

More NetApp AFF pros

Cons

"We had one instance with an eight-hour outage in our primary data center because the upgrade to the controller failed, and the controller redundancy didn't work."

"We would like to be able to connect to data tape for backup, specifically to the LTO backups."

"Going forward, don't complicate things for the customers."

"If I need to change or troubleshoot the dashboard, I cannot do it without calling support. If I want to move something critical, I cannot do it by myself. The dashboard blocks me from changing those critical things."

"I would not say anything because we still do not use Everpure FlashArray fully."

"Pure Storage had operational challenges between 2016 to 2018, impacting perceived reliability."

"I would like to see a Nagios monitoring plugin which watches the health and performance of the system. The only one available just checks volume capacity."

"Areas for improvement would be the financial operations. In the next release, I would like to see a NAS protocol included."

More Everpure FlashArray cons

"I would like to see them work with Cisco, so it comes off the FIs, instead of having to go through my 10-gig network."

"Access to technical support should be improved for our region. Technical support is good, but they're very hard to access."

"Some of the nice to haves for us, in terms of today, would be VVols but again, it’s not a critical feature."

"A single pane of glass to monitor/manage multiple arrays would be helpful."

"I would love to see capacity on its DRAM. I know it's not cost effective for them to do it, but I think that it could be a big differentiator and was a big differentiator from the beginning."

"I think it should have better performance with small files. With big data, its performance is top notch, but it is difficult to load small files."

"The front panel of the drive shelf doesn't always seat firmly."

"On the road map, I'm hoping to see Active Directory integration. Right now, you still have to use a local admin account to log in and manage everything."

More Kaminario K2 [EOL] cons

"It would be helpful if the compatibility matrix was a bit better."

"NetApp should offer more training so everyone can learn about the products."

"I would like to see more frequent updates at a faster pace."

"I would like them to roll in global monitoring instead of having to buy another product for it."

"The support documentation has room for improvement."

"I would like to see the ability to include more applications from applications to managed storage. If we can have more applications or more interface in more applications, that would be great."

"There are two areas that I think NetApp needs to improve upon, pricing structure and support."

"We have been seeing some challenges around the application layer implementation."

More NetApp AFF cons

Pricing and Cost Advice

"We have seen a reduction in total cost of ownership."

"The price is too high."

"It is cost-effective because after buying a subscription, they provide a service to upgrade hardware for free. They are providing so many features. When you consider the features provided, it is cost-effective."

"It's expensive, but you get what you pay for."

"Pricing is very competitive, and it's better than other competitors."

"Pure came in at a better price point than EMC and performed better than Compellent."

"We have 16 or 18 arrays. We like to do the three-year support model so that we get Evergreen and therefore, we get free upgrades. We pay around more than 1.5 million dollars."

"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."

More Everpure FlashArray pricing and cost advice

"Licensing is very straightforward. The cost was considerably lower than other products we looked at."

"All features are provided in the licensing. The cost of Kaminario was less than the cost of a hybrid array."

"The "extra" costs associated with features and options that are available off the shelf with Kaminario, make their value proposition extremely competitive."

"The Kaminario setup is simple and there are no hidden licensing fees so this area is a relief."

"I would like them to come down in price. It is as expensive as EMC, Hitachi, and other major vendors."

"The licensing is all-inclusive."

"Kaminario is very competitive on price. They also have a pay per TB model."

"Always consider whether you can afford the solution."

"Our total cost of ownership (TCO) has decreased by 40 percent."

"NetApp AFF is an expensive product, although not compared to other vendors."

"The price of NetApp is very expensive, but we don't know how much Pure is, so we can't compare."

"The pricing is competitive when we compare it to other products."

"We have used the solution’s thin provisioning to add new applications without having to purchase additional storage. We use thin provisioning on all of our flash arrays at this point. It gives us the choice to be able to overprovision and take advantage of compression, compaction, and thin provisioning all at the same time. We can get more out of the purchases that we make."

"ATTO bridges add to the total cost of the system."

"Obviously depending on the price point, NetApp is obviously a little more expensive than your generic Dell SAN solution or whatever."

More NetApp AFF pricing and cost advice

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Comparison Review

it_user186357

Solutions Architect with 51-200 employees

Jan 28, 2015

NetApp vs. XtremIO

Is there another storage platform as feature rich as NetApp FAS? I think it is fair to say that NetApp FAS running Clustered Data ONTAP is a very feature rich platform – the move to the clustered version of ONTAP has brought many next-generation features including Scale-out and Non-disruptive…

Read full review

Top Industries

By visitors reading reviews

Manufacturing Company

14%

Comms Service Provider

10%

Financial Services Firm

10%

Outsourcing Company

17%

Financial Services Firm

17%

Manufacturing Company

13%

Construction Company

11%

Manufacturing Company

12%

Outsourcing Company

12%

Construction Company

Financial Services Firm

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	74
Midsize Enterprise	38
Large Enterprise	162

By reviewers
Company Size	Count
Small Business	4
Midsize Enterprise	4
Large Enterprise	9

By reviewers
Company Size	Count
Small Business	47
Midsize Enterprise	47
Large Enterprise	242

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...

See all answers

What is your experience regarding pricing and costs for Pure Storage FlashArray?

When comparing cost, I find that the cost is either the same or slightly higher, but that is returned by the ease of ...

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What needs improvement with Pure Storage FlashArray?

The only thing I think could be improved is price. The price is the main concern for our customers.

See all answers

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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...

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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...

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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 late...

See all answers

Comparisons

Dell PowerStore vs Everpure FlashArray

Compared 9% of the time

Dell Unity XT vs Everpure FlashArray

Compared 7% of the time

HPE Alletra Storage vs Everpure FlashArray

Compared 6% of the time

VAST Data vs Everpure FlashArray

Compared 5% of the time

HPE 3PAR StoreServ vs Everpure FlashArray

Compared 4% of the time

More Everpure FlashArray Competitors

Lenovo ThinkSystem DM Series vs Kaminario K2 [EOL]

Compared 11% of the time

Tintri VMstore T7000 vs Kaminario K2 [EOL]

Compared 10% of the time

Dell SC Series vs Kaminario K2 [EOL]

Compared 10% of the time

Dell Unity XT vs Kaminario K2 [EOL]

Compared 8% of the time

HPE 3PAR StoreServ vs Kaminario K2 [EOL]

Compared 7% of the time

More Kaminario K2 [EOL] Competitors

Dell Unity XT vs NetApp AFF

Compared 7% of the time

Dell PowerStore vs NetApp AFF

Compared 7% of the time

IBM FlashSystem vs NetApp AFF

Compared 5% of the time

HPE 3PAR StoreServ vs NetApp AFF

Compared 4% of the time

VMware vSAN vs NetApp AFF

Compared 4% of the time

More NetApp AFF Competitors

Product Reports

Buyer's Guide

Everpure FlashArray

November 2026

Download Everpure FlashArray product report

Buyer's Guide

Kaminario K2 [EOL]

October 2026

Download Kaminario K2 [EOL] product report

Buyer's Guide

NetApp AFF

October 2026

Download NetApp AFF product report

Also Known As

Pure Storage FlashArray

No data available

NetApp All Flash FAS, NetApp AFF, NetApp Flash FAS

Overview

The FlashArray family delivers consistent, high-performance data services across block, file, and object workloads. As part of the Everpure Platform, it provides the foundation for a unified data plane, enabling applications to reliably access, protect, and manage data across environments with simplicity and predictability. With built-in capabilities such as inline data reduction, snapshots, replication, and ransomware resilience, FlashArray ensures efficient operations, protected data, and consistent application uptime.

As the foundation of the (unified) data plane, FlashArray enables policy-driven automation, monitoring, and centralized management while integrating across cloud and on-premises environments. Built on an Evergreen architecture, it supports non-disruptive upgrades and continuous performance improvements over time while simplifying operations at scale.

What Key Features Does FlashArray Offer?

Simplicity and Speed: Easy management and rapid performance enhancements.
Data Reduction: Effective deduplication and compression.
Flash Architecture: Seamless upgrades and outstanding resilience.
VMware Integration: Excellent compatibility with virtualization platforms.
Predictive Analytics: Strong insights for proactive management.

What Benefits Should Users Consider?

Reliability: Proactive support with minimal downtime.
Efficiency: Reduced storage footprint and enhanced data management.
Performance: Faster processing speeds and low latency.
User Experience: Simplified management with Evergreen model.

In industries like finance, banking, and healthcare, FlashArray supports high-performance storage needs focusing on virtualization and database environments. Employed for VMware workloads, disaster recovery, and storage provisioning, it ensures application performance in private or hybrid cloud setups while enhancing management of virtualized environments.

Everpure (formerly Pure Storage)

Kaminario K2 is the world’s only storage solution that delivers the predictability needed to handle the highly unpredictable world of modern businesses. This highly flexible all flash storage platform allows customers to cost-effectively scale capacity and performance to support their ever-changing business –seamlessly, on-demand and with no disruptions.

Data Sheet and eBook

Silk

NetApp AFF provides high-performance storage solutions, emphasizing speed and efficiency for demanding applications. Its features include low latency, inline deduplication, and seamless integration, making it ideal for businesses needing reliable storage and data management.

NetApp AFF stands out in offering rapid data access with features designed to meet the demands of high-speed environments. With capabilities such as low latency and inline deduplication, it ensures efficient data management. Data recovery and SnapMirror enhance its appeal for businesses focused on utility and integration with other NetApp systems. The clustered Data ONTAP enriches the user experience, making NetApp AFF a strong choice for those prioritizing usability and performance during migration. However, some users highlight the steep learning curve and high costs, along with the need for better integration, monitoring tools, and technical support. Improvement in migration, scalability, documentation, and automation is also desired, along with more competitive pricing.

What are its standout features?

Speed: Offers rapid data access for high-demand applications.
Low Latency: Ensures quick response times.
Inline Deduplication: Optimizes storage efficiency.
Seamless Integration: Integrates smoothly with NetApp systems.
SnapMirror: Facilitates efficient data recovery.
Clustered Data ONTAP: Enhances user experience.

What benefits should users look for?

High Performance: Supports critical applications with speed.
Reliability: Provides robust data management solutions.
Data Utility: Enhances data access and recovery options.
Efficient Migration: Ensures smooth transitions with minimal disruption.
Integration Support: Works well within existing NetApp environments.

NetApp AFF is commonly utilized in industries such as telecom, healthcare, and insurance that require high-performance storage. Virtualization, database management, file storage, and NFS/CIFS protocols are key use cases. It supports high availability and disaster recovery, serving as the backbone for VM and Hyper-V infrastructures. Organizations also benefit from its low latency and support for AI workloads, optimizing operational efficiencies.

NetApp

Sample Customers

Nielsen, Lamar Advertising, LinkedIn, Betfair, UT-Dallas

Wargaming.net, El Rio Community Health Center, ECN, SpotOption, Ashkelon College, Clearwater Analytics, Intigua, Cobb EMC Customer Case Study

DreamWorks Animation, FICO, Yahoo! Japan

Find out what your peers are saying about Dell Technologies, Everpure (formerly Pure Storage), Hewlett Packard Enterprise and others in All-Flash Storage. Updated: October 2026.

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