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Dell EqualLogic PS series vs IBM FlashSystem 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

Dell EqualLogic PS series
Ranking in Modular SAN (Storage Area Network)
7th
Average Rating
7.8
Reviews Sentiment
7.0
Number of Reviews
19
Ranking in other categories
No ranking in other categories
IBM FlashSystem
Ranking in Modular SAN (Storage Area Network)
2nd
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
111
Ranking in other categories
NAS (5th), All-Flash Storage (13th)
 

Mindshare comparison

As of July 2025, in the Modular SAN (Storage Area Network) category, the mindshare of Dell EqualLogic PS series is 2.3%, down from 2.3% compared to the previous year. The mindshare of IBM FlashSystem is 19.2%, up from 16.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Modular SAN (Storage Area Network)
 

Featured Reviews

Abdul Rehman Abid - PeerSpot reviewer
Useful auto tiering, excellent support, and highly reliable
The initial setup of the Dell EqualLogic PS series is simple. The physical connectivity and rack mounting time depend on the size of the deployment. For example, if we have five of the Dell EqualLogic PS series we can mount and do the cabling within two hours. The initial configuration can be done within an hour. The estimated time to deploy from start to finish in this scenario is four to five hours maximum. One person can do most of the deployment, such as configuration, but a helper is needed to do the mounting of the cables.
OmarIsmail1 - PeerSpot reviewer
Offers high performance and dependable support for fast storage needs
The most valuable feature of IBM FlashSystem ( /products/ibm-flashsystem-reviews ) 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.

Quotes from Members

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

Pros

"It is a stable solution. Stability-wise, I rate the solution a ten out of ten."
"Technical support, when we had access to it, was very good."
"The technical support for EqualLogic has been universally outstanding."
"The most valuable feature of Dell EqualLogic PS series auto tiering by using this feature, the customer can get higher performance on a valuable budget."
"It is extremely reliable."
"It is stable and scalable."
"The technical support for the solution was really good."
"The technical support is very good."
"This solution is convenient, user-friendly, convenient and reliable."
"We are a 100% satisfied with the stability of the solution."
"The solution is very easy to configure and use."
"The solution is scalable and has varying degrees of scalability."
"IBM FlashSystem has an easy to use GUI, similar to the IBM Storewize family, which make it one of the best flash storage systems in the market."
"The storage system is one of the best in the world."
"The performance of the solution is noteworthy."
"IBM FlashSystem 5300 is offered at a very low cost in Israel, which is advantageous for small companies."
 

Cons

"The performance isn't as good as, for example, Nimble."
"The only challenging part in the tool was related to some site recovery area. In order to exploit the site recovery area, my company had to purchase additional VMware products."
"If I need to have more space or more capacity, I need to replace the product. It would be ideal if we could scale without replacing the box itself."
"There is no option for mixing RAID types in one device."
"It is at the end of support and no longer supported. We have to move our VMware to another storage platform, and we have decided to use Dell PowerStore. We like Dell's products, and it is a new platform with a lot of features."
"Why is it not possible for both controllers to be simultaneously active (load balancing)?"
"Dell EqualLogic PS series could improve the performance because in our hybrid configuration the read speed is faster than the write speed."
"Synchronous replication uses space inefficiently."
"The deduplication and compression ratio is not very good. It's not reaching a very high ratio."
"The solution is quite expensive. That's one of the downsides to using it."
"The security features can be improved such that the encryption does not affect performance in any way."
"The interface could improve in IBM FlashSystem."
"In IBM FlashSystem, data reduction is an area with shortcomings where improvements can be made in the future."
"Additional licenses might be added for the fundamental licenses, such as those for copying and flash copies."
"In the next release having the next level of high-speed performance would be great."
"The product needs to improve their scalability."
 

Pricing and Cost Advice

"It seemed expensive at first, but the durability lowered the cost of ownership dramatically over time."
"​It is a fair price."
"Dell EqualLogic PS series can improve its scale-out feature. Sometimes the customer has a limited budget for storage expansion. When they want to expand their capacity, they need to buy a complete controller plus storage capacity, which sometimes is out of their budget. If Dell EqualLogic PS series support could scale up the environment in which only hard drive extension controllers should be supported, then customers can expand within a lower budget."
"I don't think I would say that the product is less expensive...The product's price is not an issue for our company, considering the relationship we have with Dell and the customer support we receive."
"Licensing is pretty straightforward."
"There are annual maintenance costs beyond the original licensing period."
"I didn't buy it. It was another person seven years ago. So, I don't really know, but all storage platforms cost a lot of money. It is probably in the mid-range, but you get what you pay for."
"Initial packages include all upgrades and services."
"My customers got the IBM FlashSystem bundle offer. It was a one-time purchase for three years of service. The price would depend on the storage size and could reach between $25,000 to $55,000."
"The cost is pretty high in terms of licensing. We pay at least $100,000 USD in licensing fees for the storage."
"The price of IBM FlashSystem is reasonable."
"The solution requires a license and could be less expensive."
"The pricing is competitive in our country."
"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."
"This is an expensive product and if the price were reduced it would be better."
"The total storage capacity vs price is still quite high for the IBM Flash Array."
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Top Industries

By visitors reading reviews
No data available
Computer Software Company
14%
Financial Services Firm
11%
Manufacturing Company
9%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Dell EqualLogic PS series?
The technical support for the solution was really good.
What needs improvement with Dell EqualLogic PS series?
The main issue was that when there were new storage solutions technologies available on the market, Dell EqualLogic PS Series was not compatible with the latest products. Right now, we have a stora...
What is your primary use case for Dell EqualLogic PS series?
I used the solution in my company since we had a virtual infrastructure, which served as our storage array with ESXi connections, which are also integrated with VMware solutions.
What is your experience regarding pricing and costs for IBM FlashSystem?
Many factors affect purchasing directly from IBM, often involving a multi-step process. Customers, especially in banking, often use the latest devices as they are upgrading, indicating they do not ...
What needs improvement with IBM FlashSystem?
The deduplication technology in IBM FlashSystem needs significant improvement. Other vendors like NetApp ( /products/netapp-41749-reviews ) offer better deduplication technology, which is noticeabl...
 

Also Known As

EqualLogic PS series
IBM Storwize
 

Overview

 

Sample Customers

FAW Foundry, AW Engineering, Unimat, eLongNet Information Technology, BDO Brasil, Odyssey Space Research
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
Find out what your peers are saying about Dell EqualLogic PS series vs. IBM FlashSystem and other solutions. Updated: July 2025.
861,524 professionals have used our research since 2012.