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NetApp FAS Series vs Quantum DXi Series comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 5, 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

NetApp FAS Series
Ranking in Deduplication Software
4th
Average Rating
8.6
Reviews Sentiment
7.0
Number of Reviews
111
Ranking in other categories
NAS (3rd), Modular SAN (Storage Area Network) (1st)
Quantum DXi Series
Ranking in Deduplication Software
11th
Average Rating
9.6
Reviews Sentiment
7.7
Number of Reviews
2
Ranking in other categories
Backup and Recovery (60th)
 

Mindshare comparison

As of August 2026, in the Deduplication Software category, the mindshare of NetApp FAS Series is 5.1%, up from 3.7% compared to the previous year. The mindshare of Quantum DXi Series is 4.7%, up from 3.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Deduplication Software Mindshare Distribution
ProductMindshare (%)
NetApp FAS Series5.1%
Quantum DXi Series4.7%
Other90.2%
Deduplication Software
 

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.
reviewer2301564 - PeerSpot reviewer
Expert Backup at a tech services company with 201-500 employees
A virtual deduplication backup appliance that protects physical and virtual data across remote sites, the datacenter and cloud deployments
Given its ease of use and management, I believe there are no specific caveats that users need to be aware of during the setup of DXRIS for backups. The process was straightforward, and I did not encounter any challenges or issues. As for a rating on a scale of one to ten, with one being the worst and ten being the best, I would rate the Quantum DXI Series a nine. My deduction is primarily influenced by personal preferences, particularly regarding the user interface and it is a highly commendable system, I would rate it a solid nine out of ten.

Quotes from Members

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

Pros

"Most valuable features are its ease of use, robust Snapshot functionality, and that you can use it in two datacenters with SnapMirror-ing."
"It helps us meet all customer requirements. Customers have been using NetApp for many years. They are very satisfied with NetApp and continue to use NetApp and upgrade to new solutions."
"The most valuable feature for us is the combining of HA and SnapMirror."
"I have found all the features useful in NetApp FAS Series."
"In NetApp FAS Series, I appreciate the visibility."
"Snapshot, deduplication, and compression features are valuable."
"Scalability especially in SMB range has been well-received."
"It is good to have a unified storage where you can have block and file level protocols."
"While the challenges posed by the difficulties were significant, they prompted the replacement of problematic components, resulting in the resolution of issues. Importantly, there were no substantial ongoing concerns. Regarding the overall performance, it has been consistently excellent."
"I am impressed with the tool's technical alliance with Veeam and Veritas."
 

Cons

"I would like to see less latency and higher IOPS."
"Interfacing with the cloud environment could be better. I want to be able to move some cloud volume and integrate it seamlessly with my home on-premise storage. Sometimes I have issues with port permissions. NetApp probably needs to improve more on the integration side from on-premise to the cloud."
"Some of the tools could be improved like NetApp OnCommand. This has been a lot better recently, but they could make it faster."
"I think this kind of infrastructure is mostly obsolete."
"As I see it, there could be more interfaces, more cache, etc., but those challenges are solved by just getting some other model."
"Another issue is the price which, compared to competitors, is quite high."
"I think this kind of infrastructure is mostly obsolete. To keep up with developments in this space, you need to move all these features to an All-Flash solution."
"We'd like to get more access to level-two engineers. Sometimes its been a difficult time explaining the problem to level-one people."
"Perhaps the most notable area for enhancement lies in the web interface for management. The current limitations in LDAP editing capabilities are not addressed in the UI, and I haven't observed any recent updates. It's possible that the new version of the DXI service incorporates improvements in the GUI, but I cannot confirm. While there is room for improvement in the current GUI, it remains a relatively minor issue. Overall, the system is comprehensive, covering aspects such as reports on latency and networking, leaving little room for additional enhancements in those areas."
"The product needs to improve performance while scaling out. It also needs to improve stability."
 

Pricing and Cost Advice

"The product is on the expensive side."
"The scalability is pretty good, but it's too expensive."
"The pricing of NetApp FAS Series is not cheap, but in comparison to other vendors, NetApp FAS Series is affordable because they also have deduplication, compression, and inline compression. They focus on storage only, which is really good; it works."
"NetApp FAS Series' pricing is competitive."
"It is expensive."
"The solution is more expensive than other vendors."
"It’s difficult for us to get money, so make sure you get everything in order, because there’s no going back and saying “oh, I missed this or that”, so make sure you plan well and well in advance."
"Cost effective storage for all performance levels (including all-flash)."
"I do not oversee this aspect, as pricing is contingent on factors such as volume, technical specifications, and the desired features. Consequently, I lack information on the pricing details and structure."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Manufacturing Company
12%
Computer Software Company
8%
Construction Company
7%
Financial Services Firm
15%
Computer Software Company
9%
Manufacturing Company
9%
Comms Service Provider
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
DXi Series, Quantum DX
 

Overview

 

Sample Customers

Children's Hospital Central California, Plex Systems, PDF PNI Digital Media, Denver Broncos, PDF KSM Legal, Clayton Companies, Virginia Community College
Nihon Unisys, Nikoyo China
Find out what your peers are saying about NetApp FAS Series vs. Quantum DXi Series and other solutions. Updated: August 2026.
908,800 professionals have used our research since 2012.