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IBM FlashSystem vs QNAP NAS Storage comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jun 3, 2026

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

IBM FlashSystem
Ranking in NAS
8th
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
113
Ranking in other categories
Modular SAN (Storage Area Network) (4th), All-Flash Storage (10th)
QNAP NAS Storage
Ranking in NAS
13th
Average Rating
9.0
Reviews Sentiment
2.2
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the NAS category, the mindshare of IBM FlashSystem is 5.2%, down from 10.2% compared to the previous year. The mindshare of QNAP NAS Storage is 2.3%, up from 2.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
NAS Mindshare Distribution
ProductMindshare (%)
IBM FlashSystem5.2%
QNAP NAS Storage2.3%
Other92.5%
NAS
 

Featured Reviews

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.
reviewer2847057 - PeerSpot reviewer
Associate Engineer Systems And Security at a tech services company with 201-500 employees
Unified storage has boosted recurring revenue and expanded data protection for diverse clients
In my experience, the best features QNAP NAS Storage offers are its focus on network-attached storage and its full ecosystem with applications. We can use it as an NVR without needing another NVR for a company. We can use the storage device as an NVR in QNAP NAS Storage. QNAP NAS Storage provides universal drivers, so not only QNAP's hard disks and SSDs can be used, but also universal brand hard disks and SSDs. QNAP NAS Storage also has myQNAPcloud storage for backup, hybrid backup solution, and Boxafe application, offering several applications to create a full solution ecosystem according to organizational requirements. The feature that stands out as most valuable to my customers is Boxafe because most organizations use Google and Microsoft, so they need to back up their Google and Microsoft data. We provide them Boxafe as a solution with QNAP NAS Storage, along with hybrid backup. I want to emphasize that we can use QNAP NAS Storage for every kind of industry, such as video editing, video creation, photography, healthcare, industrial, and enterprise IT. It provides backup and data protection, centralized management, and centralized access. It is very useful for every industry, so we give solutions according to their requirements, gathering different kinds of requirements from customers to provide suitable network-attached storage based on performance, hard disk capacity, and storage capacity. Often, customers request expansion units when storage capacity exceeds requirements, network expansion cards for network expansion, and parts from QNAP NAS Storage's brand.

Quotes from Members

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

Pros

"Real-time Compression – it reduces storage costs by compressing it up to 80%, therefore saves rack space and power consumption."
"Most of the features for the reduction in data compression are useful. It is also very easy to use and administer. Its performance is also good."
"The initial setup is very easy and can be done by one person."
"It's a really reliable, powerful platform; it's a mature product, like a BMW that evolves consistently, with storage virtualization, easy volume migration, stretch capabilities, Site Recovery Adapter, backup integration using flash copies, and everything you need to build a robust disaster recovery solution around it."
"Our automatic banking systems have become twice as quick with flash storage."
"The installation is nice and easy."
"IBM XIV is the most valuable part of this solution; it is easy to use and manage, cheap, and has reliable technology."
"We've found the solution to be very stable so far."
"QNAP NAS Storage provides universal drivers, so not only QNAP's hard disks and SSDs can be used, but also universal brand hard disks and SSDs."
 

Cons

"When you provision a datastore auto-format takes a long time"
"They don't offer subscription-based payments. You pay for the license."
"This storage is factory configured so it's very difficult and expensive to add more flash modules (disk capacity)."
"The price is very costly, which could be improved."
"Deduplication feature is not mature and it is significantly increasing the latency."
"They can improve its initial configuration. The initial configuration is currently very difficult."
"One area for improvement is in the GUI, where host clusters are not properly dealt with."
"Events/log analysis tools."
"I think QNAP NAS Storage can improve by focusing more on their hard disks, as hard disk prices have increased in the industry."
 

Pricing and Cost Advice

"The tool is cost-efficient."
"If five is a good price and one is a high price, I would rate the price a two or three out of five."
"I price of IBM FlashSystem is reasonable and competitive."
"The price of IBM FlashSystem is reasonable."
"The cost of the IBM FlashSystem is lower than the HPE solution."
"It pays to go back and get the best price you can from your supplier. The first offer is not always at the best discount."
"They've been much more aggressive in the last five, six years than they were before that."
"For a yearly license, it is about $100,000. There are no additional costs. The entire system is included."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
13%
Outsourcing Company
10%
Manufacturing Company
10%
Comms Service Provider
9%
Comms Service Provider
20%
Manufacturing Company
18%
Outsourcing Company
9%
Financial Services Firm
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business48
Midsize Enterprise20
Large Enterprise60
No data available
 

Questions from the Community

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 is worth considering.
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 and manage via SVC, simple to configure, and even for the zoning, I do not see imp...
What is your primary use case for IBM FlashSystem?
We are not working with Object Storage or Storage Protect; we are working with SAN storage and LUN storage. I am a consultant assigned to a customer in France. We are working with SVC in regard to ...
What needs improvement with QNAP NAS Storage?
I think QNAP NAS Storage can improve by focusing more on their hard disks, as hard disk prices have increased in the industry. In Sri Lanka, we face a challenging situation finding hard disks at th...
What is your primary use case for QNAP NAS Storage?
My main use case for QNAP NAS Storage is that we are a distributor company, providing QNAP NAS Storage for customers according to their requirements. Partners bring us their deals for NAS storages,...
What advice do you have for others considering QNAP NAS Storage?
I would rate QNAP NAS Storage a nine out of ten. I choose nine out of ten for QNAP NAS Storage because, while we work with some other network-attached storages, most of the time, according to custo...
 

Also Known As

IBM Storwize
No data available
 

Overview

 

Sample Customers

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
Information Not Available
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