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IBM FlashSystem pros and cons

Vendor: IBM
4.1 out of 5
Badge Leader

Pros & Cons summary

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Prominent pros & cons

PROS

IBM FlashSystem delivers high performance with low latency and high IOPS, crucial for data-intensive applications.
The product offers excellent data deduplication and compression capabilities, allowing for efficient storage management.
The system excels in storage virtualization, providing seamless data migration and flexibility.
Speed and ease of installation make IBM FlashSystem convenient and time-saving for users.
IBM FlashSystem is renowned for its stability and reliability, making it a preferred choice for mission-critical operations.

CONS

IBM FlashSystem faces stability issues and improvements are needed in its replication features, as it's unclear how they function.
FlashSystem's RAID options and disk capacities could be expanded, with current offerings capped at 57 terabytes per shelf.
The pricing of FlashSystem is considered high, and more competitive pricing would be advantageous for users.
There is difficulty in implementing IBM FlashSystem, requiring extensive knowledge and causing confusion during the setup process.
IBM needs to address data reduction improvements, as current deduplication and compression features are inadequate.
 

IBM FlashSystem Pros review quotes

it_user264465 - PeerSpot reviewer
Arquiteto de Soluções at a tech services company with 51-200 employees
Jul 1, 2015
The most valuable features of all the products are the high performance and micro latency.
it_user211857 - PeerSpot reviewer
IT Program Manager at a media company with 1,001-5,000 employees
Jan 27, 2016
The installation and service was very good.
technica379896 - PeerSpot reviewer
Technical Head at a tech services company with 51-200 employees
Jul 4, 2016
Flash disk with Easy Tier option
Learn what your peers think about IBM FlashSystem. Get advice and tips from experienced pros sharing their opinions. Updated: March 2026.
884,873 professionals have used our research since 2012.
it_user523167 - PeerSpot reviewer
IT Specialist at Slovenská sporiteľňa
Sep 29, 2016
The most valuable feature is that is supports a high IOPS rate.
it_user533121 - PeerSpot reviewer
Storage & Backup Transition Engineer at a tech services company with 10,001+ employees
Oct 16, 2016
Speed (IOPS/second) – It is most vital for applications that need low latency and high speed for transferring the data.
it_user526413 - PeerSpot reviewer
Senior UNIX Systems Administrator at a financial services firm with 1,001-5,000 employees
Nov 1, 2016
The most valuable features were the performance of the array, i.e., very low latency and high IOPS. Plus, the management interface is very easy to use.
it_user583515 - PeerSpot reviewer
IT Director Of System & Security Dep at a transportation company with 1,001-5,000 employees
Feb 26, 2017
Customer service is very good.
it_user211857 - PeerSpot reviewer
IT Program Manager at a media company with 1,001-5,000 employees
Apr 24, 2017
The cost was low when we purchased it.
CM
Web Operations Manager at a manufacturing company with 10,001+ employees
May 22, 2017
The hardware is the best feature of the product.
it_user671409 - PeerSpot reviewer
Storage Engineer at a financial services firm with 10,001+ employees
May 24, 2017
It's one of the first, fully software-defined solutions on the market available.
 

IBM FlashSystem Cons review quotes

it_user264465 - PeerSpot reviewer
Arquiteto de Soluções at a tech services company with 51-200 employees
Jul 1, 2015
Technical Support: Not so good in my country because they only have a few people with great knowledge about FlashSystem.
it_user211857 - PeerSpot reviewer
IT Program Manager at a media company with 1,001-5,000 employees
Jan 27, 2016
We have not had a good experience with this platform.
technica379896 - PeerSpot reviewer
Technical Head at a tech services company with 51-200 employees
Jul 4, 2016
When you provision a datastore auto-format takes a long time
Learn what your peers think about IBM FlashSystem. Get advice and tips from experienced pros sharing their opinions. Updated: March 2026.
884,873 professionals have used our research since 2012.
it_user523167 - PeerSpot reviewer
IT Specialist at Slovenská sporiteľňa
Sep 29, 2016
It has room for improvement in the area of stability.
it_user533121 - PeerSpot reviewer
Storage & Backup Transition Engineer at a tech services company with 10,001+ employees
Oct 16, 2016
The storage size vs the storage price needs to improve.
it_user526413 - PeerSpot reviewer
Senior UNIX Systems Administrator at a financial services firm with 1,001-5,000 employees
Nov 1, 2016
The array level RAID does not seem available.
it_user583515 - PeerSpot reviewer
IT Director Of System & Security Dep at a transportation company with 1,001-5,000 employees
Feb 26, 2017
The problem is that if the buffer is not configured correctly this increases the latency because of this delay and the retransmit.
it_user211857 - PeerSpot reviewer
IT Program Manager at a media company with 1,001-5,000 employees
Apr 24, 2017
Technical support is horrible. IBM doesn't have much expertise with the product.
CM
Web Operations Manager at a manufacturing company with 10,001+ employees
May 22, 2017
Support is horrible. It takes weeks to get simple answers.
it_user671409 - PeerSpot reviewer
Storage Engineer at a financial services firm with 10,001+ employees
May 24, 2017
I have used support and it needs improvement.