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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

"If someone wants a robust, scalable, and consistent behavior for their site, then they should use IBM FlashSystem."
"Ability to manage third-party arrays and virtualise them: One screen to control multiple arrays. Simplified administration."
"It is simple to make an update."
"They have a virtualization feature and, even if you do not want to buy that feature, you can have it as a trial for two to three months. If you have another brand of storage from another company, you can use this tool to transfer all your data from the old system to the new Storwize system, which really shortens the migration time."
"The performance monitoring feature is useful as it can report in 15 minute intervals by hour, day, week, month, or by a custom date range."
"This solution is really user friendly. It also offers good performance and is highly reliable."
"We like how straightforward the IBM system is and the technical team's support."
"Our automatic banking systems have become twice as quick with flash storage."
"IBM XIV is attractive because it gives value for money in terms of features."
"As it spreads, a chuck of 1MB across the board means using all available spindles on the backend."
"XIV setup is very straightforward and easy to configure."
"The performance and robustness of the systems are very good."
"The product is exceptionally reliable and very easy to manage."
"Hands down, this is the easiest storage platform on the market to manage."
"IBM XIV's most valuable features are NVME, especially when it comes to de-duplication, compression, and responsiveness."
"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

"They don't offer subscription-based payments."
"Enterprise data storage needs improvement. They should create a feature for data and file storage."
"The product needs to improve their scalability and the price."
"Sometimes the performance is effective but it gets resolved in the process."
"The cost of the solution is too high. They should work to make it lower."
"The interface could improve in IBM FlashSystem."
"IBM needs to implement NAS storage again, as this is a big flaw."
"At the beginning of every year, IBM releases firmware. When I find any bugs in the firmware during the year, I am unable to find any information from IBM regarding the bug."
"Until the drive is replaced, the pool_resizing is locked."
"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."
"I would rather have a web GUI served directly from the unit, and a CLI accessible directly through SSH."
"Management accessibility. Both the GUI and the CLI require installation of a Java-based thick client, which is ridiculous, plus a drain on resources."
"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."
"IBM XIV's scalability is adequate for our requirements, but because it's modular, you can't scale to larger requirements."
"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."
"I guess we'd like to see the XIV keep pace with how storage is going in terms of speed and latency."
 

Pricing and Cost Advice

"The cost is pretty high in terms of licensing. We pay at least $100,000 USD in licensing fees for the storage."
"The pricing is competitive in our country."
"I price of IBM FlashSystem is reasonable and competitive."
"The price of IBM FlashSystem is reasonable."
"Regarding licensing make sure you add at least three years software maintenance from IBM at the beginning, because you will not be able to download firmware updates or any fixes/patches without this."
"This solution is expensive compared to other solutions."
"Overall the price of the solution is expensive and this includes the license."
"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."
"Licensing is straightforward."
"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."
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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.
890,071 professionals have used our research since 2012.