IBM FlashSystem vs IBM Scale-out NAS comparison

IBM FlashSystem and IBM Scale-out NAS are both solutions in the NAS category. IBM FlashSystem is ranked #6 with an average rating of 8.2, while IBM Scale-out NAS is ranked #18. IBM FlashSystem holds a 11.0% mindshare in N, compared to IBM Scale-out NAS’s 1.1% mindshare. Additionally, 91% of IBM FlashSystem users are willing to recommend the solution.

IBM FlashSystem

Read 112 IBM FlashSystem reviews

7,637 Views
2,978 Comparison Views

91% willing to recommend

IBM Scale-out NAS

264 Views
264 Comparison Views

IBM FlashSystem

IBM Scale-out NAS

Comparison Buyer's Guide

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Executive Summary

We performed a comparison between IBM FlashSystem and IBM Scale-out NAS based on real PeerSpot user reviews.

Find out what your peers are saying about Dell Technologies, NetApp, CTERA and others in NAS.

To learn more, read our detailed NAS Report (Updated: September 2025).

Buyer's Guide

NAS

September 2025

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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

IBM FlashSystem

Ranking in NAS

6th

Average Rating

8.2

Reviews Sentiment

6.9

Number of Reviews

112

Ranking in other categories

Modular SAN (Storage Area Network) (2nd), All-Flash Storage (13th)

IBM Scale-out NAS

Ranking in NAS

18th

Average Rating

0.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of October 2025, in the NAS category, the mindshare of IBM FlashSystem is 11.0%, down from 13.7% compared to the previous year. The mindshare of IBM Scale-out NAS is 1.1%, up from 1.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.

NAS Market Share Distribution
Product	Market Share (%)
IBM FlashSystem	11.0%
IBM Scale-out NAS	1.1%
Other	87.9%

NAS

Featured Reviews

OmarIsmail1

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.

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Top Industries

By visitors reading reviews

Computer Software Company

13%

Financial Services Firm

11%

Manufacturing Company

Comms Service Provider

No data available

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	47
Midsize Enterprise	22
Large Enterprise	57

No data available

Questions from the Community

What do you like most about IBM FlashSystem?

It is simple to make an update.

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What is your experience regarding pricing and costs for IBM FlashSystem?

The pricing is reasonable for IBM FlashSystem.

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What needs improvement with IBM FlashSystem?

Some improvements are required in IBM regarding response time and resolution time, though not about competence. Product-wise, it performs well. We have not used AI features yet, and I believe havin...

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Comparisons

Dell PowerStore vs IBM FlashSystem

Compared 22% of the time

HPE Alletra Storage vs IBM FlashSystem

Compared 9% of the time

Huawei OceanStor Dorado vs IBM FlashSystem

Compared 9% of the time

Pure Storage FlashArray vs IBM FlashSystem

Compared 9% of the time

NetApp AFF vs IBM FlashSystem

Compared 8% of the time

More IBM FlashSystem Competitors

HPE StoreEasy vs IBM Scale-out NAS

Compared 64% of the time

Dell PowerScale (Isilon) vs IBM Scale-out NAS

Compared 36% of the time

More IBM Scale-out NAS Competitors

Product Reports

Buyer's Guide

IBM FlashSystem

September 2025

Download IBM FlashSystem product report

Buyer's Guide

NAS

September 2025

Download IBM Scale-out NAS product report

Also Known As

IBM Storwize

IBM SONAS

Overview

IBM FlashSystem products are enterprise computer data storage systems that store data on flash memory chips. Unlike storage systems that use standard solid-state drives, IBM FlashSystem products incorporate custom hardware based on technology from the 2012 acquisition of Texas Memory Systems. This hardware provides performance, reliability, and efficiency benefits versus competitive offerings.

IBM

IBM Scale-out NAS (SONAS) is a solution for cloud storage implementations. It is designed to consolidate files that are scattered in multiple storage locations and allow them to be efficiently shared and managed.

IBM

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

NASCO, Tennessee Highway Patrol, Equinix, Enea, AMC Networks, CPFL Energia, Panasonic Automotive Systems, Columbia Sportswear, Astro-Med

Find out what your peers are saying about Dell Technologies, NetApp, CTERA and others in NAS. Updated: September 2025.

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