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NetApp FAS Series vs Oracle Sun ZFS Storage Appliance comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Feb 2, 2025

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

NetApp FAS Series
Ranking in Modular SAN (Storage Area Network)
1st
Average Rating
8.6
Reviews Sentiment
7.0
Number of Reviews
111
Ranking in other categories
Deduplication Software (4th), NAS (3rd)
Oracle Sun ZFS Storage Appl...
Ranking in Modular SAN (Storage Area Network)
9th
Average Rating
7.6
Reviews Sentiment
7.6
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the Modular SAN (Storage Area Network) category, the mindshare of NetApp FAS Series is 10.1%, down from 15.6% compared to the previous year. The mindshare of Oracle Sun ZFS Storage Appliance is 6.0%, up from 4.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Modular SAN (Storage Area Network) Mindshare Distribution
ProductMindshare (%)
NetApp FAS Series10.1%
Oracle Sun ZFS Storage Appliance6.0%
Other83.9%
Modular SAN (Storage Area Network)
 

Featured Reviews

Srikanth Purushothaman - PeerSpot reviewer
DIRECTOR at Vellore Online Systems
Has supported long-term data protection and backup while requiring better part availability and pricing options
For monitoring purposes, we normally use flash access storage exclusively. We utilize a hybrid system because we need performance, combining NL-SAS for the volume and SAS flash to use as a fast cache system that provides more IOPS. We normally implement RAID 10, which we prefer over RAID 6's n plus 2 combinations. We utilize it for data redundancy, even with write intensity on. Regarding the unified storage architecture for NetApp FAS Series, we normally opt for exclusivity unless budget constraints exist. Our IOPS are very high, reaching somewhere about 50k to 150k or 1.150k. The high performance ensures minimal latency. An advantage we've seen with NetApp FAS Series is that snapshots provide very rapid backup and fast recovery. We basically use snapshots for data protection as first-level protection, with deduplication between the two storages serving as second-level protection.
RM
IT Consultant at a manufacturing company with 1,001-5,000 employees
A stable unified storage system that enables quick access to data
The main thing Oracle can improve is the cost. It would be better if Oracle opened up the system to enable integration with other vendors. Whether it's the database, application server, or storage appliance, they should make it easy to integrate them. They need to open up more to ensure that it can work in any environment and IT ecosystem.

Quotes from Members

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

Pros

"I have found all the features useful in NetApp FAS Series."
"The ONTAP tools make managing VMware easier."
"The storage efficiency provided a maximum savings in our storage utilization."
"Reliable storage solution with an easy setup. It has high availability and makes single file restoration easy. It also has good stability and scalability."
"It is great to see that NetApp is ahead of the game with regard to support for Virtual Volumes – it is also nice to see that the 8.3 release can be installed on older versions of hardware allowing FAS customers, who purchased their systems a number of years ago, to take advantage of Virtual Volumes."
"Reliability performance level, great history with it, and over the last two and a half years, it's been better than others."
"Reasons for choosing NetApp include that it's probably the most solid, robust, and easy-to-implement solution."
"The integration with cloud environments has benefited my customers' storage strategy by providing cloud volume ONTAP."
"I like its storage capacity, quick access to the data, speed, and overall storage management."
"Oracle Sun ZFS Storage Appliance is a very stable and durable product that's very strong and mature."
"Very good analytics Very easy to configure."
 

Cons

"With scalability, we feel the system is limited."
"I would like to see NetApp add incident support."
"I think that they are upgrading the performance monitoring tool, which is the main thing I think needs improvement."
"I think this kind of infrastructure is mostly obsolete."
"I have not given the FAS a perfect rating because the All Flash Array is probably going to beat it down, in terms of performance."
"NetApp systems are somewhat more complex, though not excessively so. If you're transitioning from a Windows server environment to NetApp, get training or education; otherwise, you might struggle with this solution."
"Our major issue with FAS was not having one pane of glass with all products attached to it."
"Some of the tools could be improved like NetApp OnCommand. This has been a lot better recently, but they could make it faster."
"Uptime. We had some crashes here and there."
"The main thing Oracle can improve is the cost. It would be better if Oracle opened up the system to enable integration with other vendors. Whether it's the database, application server, or storage appliance, they should make it easy to integrate them. They need to open up more to ensure that it can work in any environment and IT ecosystem."
 

Pricing and Cost Advice

"In general, I find NetApp to be very expensive. That's the main issue I have with them. So it's a drawback in terms of pricing."
"Low-priced product, but pricing could still be made more attractive."
"The licensing cost is on yearly basis."
"I've sold arrays for as little $20,000 USD and as high as $300,000 USD."
"We purchased it for four years, and it wasn't expensive. It was reasonable. Every company has a different agreement with NetApp. We got everything we wanted with all the bells and whistles and all the features and functionalities."
"The process for going to cluster mode is expensive."
"The scalability is pretty good, but it's too expensive."
"I would rate the pricing a seven out of ten, with ten being expensive. We pay a one-time purchase price."
"The price could be better. We have many competing products now like Huawei and Dell EMC, and these are slightly cheaper."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Manufacturing Company
10%
Outsourcing Company
10%
Construction Company
7%
Construction Company
13%
Healthcare Company
9%
Insurance Company
9%
Computer Software Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business31
Midsize Enterprise38
Large Enterprise59
No data available
 

Questions from the Community

Which SAN product would you choose: IBM FlashSystem (FS9500) vs PureFlash Array/X NVMe vs PureFlash Array/XL NVMe?
Have you considered a NetApp FAS Storage for your NAS needs? I am sure it fits very well.
What is your experience regarding pricing and costs for NetApp FAS Series?
Regarding its pricing, I believe it is high. I utilize both HDD and SSD, where SSDs are more cost-friendly, yet HDDs are higher in cost, making it not very affordable but still useful. For general ...
What needs improvement with NetApp FAS Series?
Regarding improvements for NetApp FAS Series, I think everything is generally good. If there is a need to improve something, they can extend their support. Previously, in my company, I only saw Net...
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Also Known As

No data available
Sun ZFS Storage Appliance
 

Overview

 

Sample Customers

Children's Hospital Central California, Plex Systems, PDF PNI Digital Media, Denver Broncos, PDF KSM Legal, Clayton Companies, Virginia Community College
Translational Genomics Research Institute, Nara Institute of Science and Technology, CyberSolutions Inc., Y-Telecom, First Alliance Bank Zambia Limited, AZ Sint-Jan Brugge-Oostende, Mutlinet Pakistan, TDC A/S, Digi-Key Corporation, Thurgau Cantonal Bank
Find out what your peers are saying about NetApp FAS Series vs. Oracle Sun ZFS Storage Appliance and other solutions. Updated: September 2026.
914,109 professionals have used our research since 2012.