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IBM FlashSystem vs NEC D3 series comparison

 

Comparison Buyer's Guide

Executive Summary

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 Modular SAN (Storage Area Network)
4th
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
113
Ranking in other categories
NAS (6th), All-Flash Storage (10th)
NEC D3 series
Ranking in Modular SAN (Storage Area Network)
15th
Average Rating
9.0
Reviews Sentiment
8.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of March 2026, in the Modular SAN (Storage Area Network) category, the mindshare of IBM FlashSystem is 12.3%, down from 19.8% compared to the previous year. The mindshare of NEC D3 series is 1.7%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Modular SAN (Storage Area Network) Mindshare Distribution
ProductMindshare (%)
IBM FlashSystem12.3%
NEC D3 series1.7%
Other86.0%
Modular SAN (Storage Area Network)
 

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.
reviewer1369971 - PeerSpot reviewer
Head of IT at a manufacturing company with 501-1,000 employees
Stable, performs well, and the technical support is good
We use this storage solution to host our ERP, CRM, file server, databases, and lots of other things The performance is better than with our previous version. We are not satisfied with the cost of licensing and would like to have a better price to performance ratio. We have had contract-related…

Quotes from Members

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

Pros

"The most valuable features are deduplication and compression, which together, enable you to have more space."
"Customer service is very good."
"The pricing is reasonable."
"IBM FlashSystem 5300 is offered at a very low cost in Israel, which is advantageous for small companies."
"The setup was straightforward, it is pretty easy and I can do it with my eyes closed, if I wanted to."
"The most valuable feature of the solution is replication...Stability-wise, I rate the solution a nine out of ten."
"This solution is very stable."
"IBM products at the enterprise level are stable solutions, with a score of nine out of ten for stability."
"The performance is better than with our previous version."
 

Cons

"They can improve its initial configuration. The initial configuration is currently very difficult. There are multiple choices or alternative ways to configure based on the use case and what you are targeting out of the device, that is, more capacity or more performance. These multiple alternatives cause a lot of confusion. They should increase the processing part of the nodes. Currently, you can cluster up to eight nodes. From my experience and the workload that I am facing in my environment currently, I would like to see either a bigger or stronger node or a larger number of nodes that can be clustered together. We formally communicated to them that we need to see either this or that, and they are working on something."
"There is a need for a little bit more of a drill down in the GUI part."
"We had issues when attempting to do a flash, we hope to resolve it soon."
"IBM FlashSystems is lagging in optimizing storage technologies."
"Technical Support: Not so good in my country because they only have a few people with great knowledge about FlashSystem."
"The several major crashes resulted in the entire weekends being lost in rebuilding the array and then for restoring the data."
"There are some issues on a firmware level."
"This solution could be improved by offering greater amounts of storage."
"We are not satisfied with the cost of licensing and would like to have a better price to performance ratio."
 

Pricing and Cost Advice

"The cost of the IBM FlashSystem is lower than the HPE solution."
"The pricing has been very competitive for the last few years. IBM got to the point where they changed the pricing model and we feel very comfortable with the pricing. It's very competitive. Over the last two years, IBM has been coming up with all kinds of interesting promos, especially for the SMB systems. That makes it very competitive price-wise and in terms of performance..."
"I price of IBM FlashSystem is reasonable and competitive."
"The pricing is reasonable."
"Overall the price of the solution is expensive and this includes the license."
"The tool is cost-efficient."
"I would rate the pricing of this solution a four out of five."
"The cost is pretty high in terms of licensing. We pay at least $100,000 USD in licensing fees for the storage."
Information not available
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Top Industries

By visitors reading reviews
Computer Software Company
10%
Financial Services Firm
10%
Manufacturing Company
9%
Comms Service Provider
7%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business47
Midsize Enterprise21
Large Enterprise59
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...
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Also Known As

IBM Storwize
D3 series
 

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
Tsukuba Science City, Hokkaido Telecommunication Network Co. Inc, PHP Institute
Find out what your peers are saying about NetApp, Hewlett Packard Enterprise, Hitachi Vantara and others in Modular SAN (Storage Area Network). Updated: March 2026.
884,873 professionals have used our research since 2012.