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IBM FlashSystem Reviews

Vendor: IBM
4.1 out of 5
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IBM FlashSystem mindshare

As of March 2026, the mindshare of IBM FlashSystem in the NAS category stands at 7.2%, down from 13.6% compared to the previous year, according to calculations based on PeerSpot user engagement data.
NAS Market Share Distribution
ProductMarket Share (%)
IBM FlashSystem7.2%
Dell PowerScale (Isilon)15.5%
NetApp FAS Series10.8%
Other66.5%
NAS

PeerResearch reports based on IBM FlashSystem reviews

TypeTitleDate
CategoryNASMar 2, 2026Download
ProductReviews, tips, and advice from real usersMar 2, 2026Download
ComparisonIBM FlashSystem vs Dell PowerStoreMar 2, 2026Download
ComparisonIBM FlashSystem vs Dell PowerScale (Isilon)Mar 2, 2026Download
ComparisonIBM FlashSystem vs NetApp FAS SeriesMar 2, 2026Download
Suggested products
TitleRatingMindshareRecommending
Dell PowerStore4.39.0%96%172 interviewsAdd to research
Pure FlashArray X NVMe4.5N/A100%36 interviewsAdd to research
 
 
Key learnings from peers

Valuable Features

Room for Improvement

ROI

Pricing

Popular Use Cases

Service and Support

Deployment

Scalability

Stability

Review data by company size

By reviewers
Company SizeCount
Small Business37
Midsize Enterprise18
Large Enterprise46
By reviewers
By visitors reading reviews
Company SizeCount
Small Business428
Midsize Enterprise206
Large Enterprise562
By visitors reading reviews

Top industries

By visitors reading reviews
Financial Services Firm
10%
Computer Software Company
10%
Manufacturing Company
9%
Comms Service Provider
7%
Government
5%
Retailer
4%
Healthcare Company
4%
University
4%
Educational Organization
4%
Insurance Company
4%
Outsourcing Company
3%
Real Estate/Law Firm
3%
Energy/Utilities Company
3%
Wholesaler/Distributor
3%
Construction Company
3%
Marketing Services Firm
3%
Media Company
3%
Performing Arts
2%
Recreational Facilities/Services Company
2%
Hospitality Company
2%
Legal Firm
2%
Transportation Company
2%
Pharma/Biotech Company
1%
Non Profit
1%
Consumer Goods Company
1%
Logistics Company
1%
Aerospace/Defense Firm
1%

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IBM FlashSystem customers

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IBM FlashSystem Reviews Summary
Author infoRatingReview Summary
Infrastructure Technical Specialist II at Clicks Group4.0I find IBM FlashSystem to be a competitively priced, reliable storage solution offering robust performance on demand. However, its deduplication technology requires improvement, especially compared to alternatives like NetApp. The return on investment is immediate, and the hardware is dependable.
Vice President Sales at BELOCAL LTD4.0I am working with IBM FlashSystem 5300, ideal for small companies with storage needs up to 16 terabytes. It is cost-effective but needs improvement in deduplication and compression. We also offer Hitachi and Dell for better performance and reliability.
Freelancer at a logistics company with 10,001+ employees4.5I've found IBM FlashSystem to be reliable and high-performing, with simple management via SVC. While the price is high, it’s justified by its features. I’d rate it eight out of ten overall for on-premises SAN storage.
Technical Lead at Tomia3.5I've used IBM FlashSystem for over seven years and found it reliable with good performance and reasonable pricing, though support response times need improvement. It's ideal for medium workloads, and we've seen a solid ROI after three years.
Storage Specialist at a computer software company with 1,001-5,000 employees4.5I use IBM FlashSystem for CRM, billing, and telecom industry tasks, along with code and case management systems, and some customers use SAP HANA. The performance and data reduction are impressive, though the GUI and volume deletion time could improve.
Manager, Technical Services, IBM Storage & Backup Solutions. at Thakral4.0I use IBM FlashSystem primarily in the banking industry for its flash copy mapping and built-in compression, despite challenges with troubleshooting and high licensing fees. Its scalability and support make it a preferred choice over Dell, Huawei, and HP.
SENIOR SYSTEM ADMINISTRATOR at TOTAL SERVICE a.s.4.0I use IBM FlashSystem for customer data and backup due to its ease of updates and setup compared to previous Storwize experiences. Although the system works fine, its customization features need improvement. HPE remains a notable competitor.
Project manager at Sopraco NV4.5I work for a food manufacturer and we use IBM FlashSystem for high-availability storage in an active-active setup. It's proven, compact, and cost-effective compared to Dell VPLEX but could benefit from better marketing and additional features like instant snapshotting.