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IBM FlashSystem vs IBM XIV comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 2, 2025

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)
3rd
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
113
Ranking in other categories
NAS (5th), All-Flash Storage (9th)
IBM XIV
Ranking in Modular SAN (Storage Area Network)
10th
Average Rating
7.6
Reviews Sentiment
5.4
Number of Reviews
6
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2026, in the Modular SAN (Storage Area Network) category, the mindshare of IBM FlashSystem is 11.0%, down from 19.8% compared to the previous year. The mindshare of IBM XIV is 3.5%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Modular SAN (Storage Area Network) Mindshare Distribution
ProductMindshare (%)
IBM FlashSystem11.0%
IBM XIV3.5%
Other85.5%
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.
Ajith Kandaramage - PeerSpot reviewer
IT Operation Engineer at HNB
Good value for money but issues with modular scaling
IBM XIV's most valuable features are NVME, especially when it comes to de-duplication, compression, and responsiveness I've been using IBM XIV for two and a half years. IBM XIV is stable. IBM XIV's scalability is adequate for our requirements, but because it's modular, you can't scale to larger…

Quotes from Members

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

Pros

"IBM FlashSystem is a powerful effective storage solution. Additionally, it is user-friendly, anyone can use it."
"The maintenance service and support from IBM is very good."
"Initial SAN configuration was smooth."
"FlashSystem offers proven technology in a compact package."
"User friendly interface Robust hardware Good support"
"The speed and the ease of installation are the most valuable features."
"The IBM System is top-notch and offers all the features we need to keep going for another 5 years."
"Stability-wise, this solution is fine."
"XIV setup is very straightforward and easy to configure."
"Installation is amazingly easy."
"Implementing Remote mirroring and local Snaps is very easy."
"Hands down, this is the easiest storage platform on the market to manage."
"For us, the XIV is pretty much set-it-and-forget-it storage."
"Very easy to produce reporting data (Snaps). Very easy and fast for provisioning devices and Remote mirroring."
"The performance and robustness of the systems are very good."
"The XIVs here are only being used for non-production and dev systems, but still the performance and robustness of the systems are very good."
 

Cons

"Flash Manager needs to be included."
"IBM FlashSystems is lagging in optimizing storage technologies, which can be improved."
"The solution has a low number of NVME host attachments at 16 per IO group over the fiber channel; this is magnitudes lower than competing products."
"I have used support and it needs improvement."
"It has room for improvement in the area of stability."
"The array level RAID does not seem available."
"Events/log analysis tools."
"The security features can be improved such that the encryption does not affect performance in any way."
"Until the drive is replaced, the pool_resizing is locked. This has been an issue a lot of times, especially when the contract says IBM will not replace disks until three drives fail."
"This product was not a good fit for our organization as we have a ton of latency sensitive applications and XIV was not able to keep up with IO + latency demand."
"The change form synchronous mirroring to asynchronous (and vice versa) without reconfiguration from scratch would be helpful."
"I encountered stability (performance) issues during enclosure or disk rebuild. Also some power supply issues due to malfunctions of ​circuits. Sometimes "internal" Snap sessions hang and consume pool capacity."
"I guess we'd like to see the XIV keep pace with how storage is going in terms of speed and latency."
"IBM XIV's scalability is adequate for our requirements, but because it's modular, you can't scale to larger requirements."
"Until the drive is replaced, the pool_resizing is locked."
"This product was not a good fit for our organization as we have a ton of latency sensitive applications and XIV was not able to keep up with IO + latency demand."
 

Pricing and Cost Advice

"IBM V7000 has a new license and price structure which provides intuitive licensing based on the functions customers wish to enable and use the most."
"The total storage capacity vs price is still quite high for the IBM Flash Array."
"I would rate the pricing of this solution a four out of five."
"This is an expensive product and if the price were reduced it would be better."
"I price of IBM FlashSystem is reasonable and competitive."
"The tool is cost-efficient."
"Its price is very good."
"This solution is expensive compared to other solutions."
"We have a five-year total cost of ownership where we pay an initial amount and then annually for maintenance."
"If you are going to use the product behind an SVC, IBM will price the units lower, since you are likely not to use any of the advanced copy services."
"No-license-required policy, unlike others where you need a license for everything. Just pay once and forget about licenses."
"Licensing is straightforward."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Computer Software Company
9%
Manufacturing Company
8%
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
XIV
 

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
Celero, NaviSite, Technische Universit_t Mªnchen, Netflix Inc., Muhr und Bender KG, Pelephone Communications
Find out what your peers are saying about IBM FlashSystem vs. IBM XIV and other solutions. Updated: April 2026.
887,041 professionals have used our research since 2012.