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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
8.8
Reviews Sentiment
7.0
Number of Reviews
110
Ranking in other categories
NAS (3rd), Modular SAN (Storage Area Network) (1st)
Quantum DXi Series
Ranking in Deduplication Software
12th
Average Rating
9.6
Reviews Sentiment
7.7
Number of Reviews
2
Ranking in other categories
Backup and Recovery (61st)
 

Mindshare comparison

As of June 2026, in the Deduplication Software category, the mindshare of NetApp FAS Series is 5.0%, up from 3.4% compared to the previous year. The mindshare of Quantum DXi Series is 4.8%, up from 3.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Deduplication Software Mindshare Distribution
ProductMindshare (%)
NetApp FAS Series5.0%
Quantum DXi Series4.8%
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

"I have found all the features useful in NetApp FAS Series."
"The performance allows me to provide backend storage for large number of VMs and databases at a competitive price point."
"Fast Snapshots"
"It saves a lot of time and minimizes downtime, which is important because we're a hospital and we can’t afford much downtime."
"For us, the greatest aspect of the solution is the fact that it just runs. It is amazingly resilient. That's very important to us, because we are basically, with some exceptions, have a 24/7 operation."
"The nice thing about FAS is that it has excelled at the first three points above for many years and the last point has been introduced with the On-Demand engine in cDOT 8.3 – there are plenty of arrays on the market that will be enabled for VVOLs, but they will not be able to claim efficient support for these features without massive re-engineering work."
"It changed the way we do Disaster Recovery (DR) around NetApp replication."
"I would recommend this solution to new users because it's easy to implement, it's easy to install, it's easy to scale, and there is what we call investment protection."
"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

"NetApp FAS Series could improve by being more secure."
"I have a very small feature request: more automation of the expanding aggregates and discs."
"They need to improve the go-to-market for all-flash and converged infrastructure."
"NetApp is costly when compared to Dell."
"Upgrades are always hold-our-breath situations."
"If our customer needs a high-performance storage solution then we don't recommend this product."
"A big problem with physical appliances is that updating them can be a bit burdensome."
"Cluster mode needs to be more ubiquitous."
"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's pricing is reasonable."
"Low-priced product, but pricing could still be made more attractive."
"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."
"The solution’s cost is reasonable."
"The product is on the expensive side."
"Cost effective storage for all performance levels (including all-flash)."
"It is a one-time license charge for NetApp FAS Series to run and we pay annually for upgrades and support."
"it’s not an inexpensive solution and it may not be for the cost-sensitive customer."
"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
Manufacturing Company
13%
Financial Services Firm
13%
Computer Software Company
9%
Construction Company
7%
Financial Services Firm
15%
Manufacturing Company
9%
Computer Software Company
9%
Retailer
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business31
Midsize Enterprise38
Large Enterprise58
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?
I do not handle the pricing part of NetApp FAS Series since it is managed by the sales team.
What needs improvement with NetApp FAS Series?
There is room for improvement when it comes to response time and first-level support quality. If a new feature needs to be added, it takes some time because it is altogether a new development; othe...
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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: June 2026.
900,644 professionals have used our research since 2012.