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IBM FlashSystem vs Nasuni comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 7, 2024

Review summaries and opinions

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

ROI

Sentiment score
1.0
Organizations reduced costs and improved performance with Pure FlashArray X NVMe, achieving quick ROI and efficient resource management.
Sentiment score
6.7
IBM FlashSystem offers easy migration, improved performance, seamless integration, cost efficiency, and quick ROI, enhancing user satisfaction.
Sentiment score
7.5
Nasuni users enjoy cost savings, increased productivity, and efficiency from reduced labor, cloud scalability, and improved data management.
By opting for the gold subscription every three years, you get a free upgrade to the latest controller release.
If you wait more than seven years to buy another one, you get a return on your investment.
The solution can comfortably be stretched from five to seven years without any failures, ensuring a long-lasting return.
We have seen return on investment compared to other OEMs, which took approximately three years after implementing IBM FlashSystem.
 

Customer Service

Sentiment score
7.1
Pure FlashArray X NVMe's technical support is praised for responsiveness, despite occasional follow-up issues, earning high customer satisfaction.
Sentiment score
7.0
IBM FlashSystem support reviews are mixed, with praise for response speed but criticism for regional expertise and complex escalations.
Sentiment score
8.2
Nasuni's customer service is praised for responsiveness and professionalism, efficiently solving issues with reliable and knowledgeable support.
We also had one outage where a controller of one of the products had failed and had to be replaced on-site.
Customers always have their issues resolved promptly.
Pure has good storage.
Customers of alternatives like Dell and Hitachi enjoy more reliable and comprehensive support services directly from vendors rather than third-party subsidiaries.
I rate the technical support from IBM as a ten.
IBM customer support is responsible, efficient, and responsive, though it is expensive.
 

Scalability Issues

Sentiment score
7.1
Pure FlashArray X NVMe offers scalable storage with low latency, easy upgrades, though capacity customization and high costs are noted.
Sentiment score
7.3
IBM FlashSystem is praised for its scalable, flexible expansion, suiting diverse enterprises and integrating well with current systems.
Sentiment score
7.3
Nasuni offers scalable, user-friendly data storage, efficiently meeting diverse organizational needs and supporting physical or virtual deployments.
It is highly scalable.
It is suitable for both medium-sized and enterprise businesses.
It hasn't broken down anytime in the last six to seven years, despite hurricanes, earthquakes, and power outages.
For larger enterprises, scalability is an issue as the price becomes prohibitive.
The problem arises when migrating data to a later IBM FlashSystem version due to issues with firmware compatibility.
The scalability of IBM FlashSystem is exceptional, and I rate it as a nine.
I rated the scalability as seven because even though the solution can scale, load balancing must be done manually, as it's not automated.
 

Stability Issues

Sentiment score
8.1
Pure Storage offers exceptional stability and reliability with outstanding support, consistently achieving high user ratings for performance and service.
Sentiment score
7.6
IBM FlashSystem is generally stable and reliable; however, some users experience issues due to specific configurations or hardware conditions.
Sentiment score
8.2
Nasuni is praised for its stability, offering reliable performance, minimal maintenance, and flexibility with virtually no downtime issues.
During the eight years, there have been no problems such as hardware failure or stopping.
I would rate the stability of the solution as a ten out of ten.
I would rate the stability of the product at seven out of ten.
Customers have infrastructure that is 100% stable.
The firmware and software engine have fewer bugs, which enhances operational efficiency.
 

Room For Improvement

Pure FlashArray X requires cost-effective improvements in UI, integration, cloud features, multitenancy, analytics, backup, AI, and scalability.
IBM FlashSystem needs improvements in capacity, GUI, support, data reduction, cloud integration, and stability for better competitiveness.
Nasuni struggles with cloud integration, performance, and user experience, needing improvements in data retention, security, and analytics.
We would appreciate a built-in transparent failover in the next release to eliminate the need for a separate metro cluster.
I'm eagerly anticipating the roadmap's promise of introducing multiple controllers, which could significantly boost scalability and resilience.
We mostly rely on long-term releases. We don't need the most up-to-date features, but we need a reliable environment.
Despite marketing promises, these features do not function effectively and can impact performance.
There is room for improvement in the troubleshooting part, specifically related to IBM Spectrum for Insight.
An additional function that could be helpful is reducing the time it takes to delete volumes, especially if they are compressed or deduplicated.
I suggest Nasuni improve their syslog forwarders to support TCP protocol, as it's more secure than UDP, which is plain text and not protected at all.
 

Setup Cost

Enterprise buyers see Pure FlashArray X NVMe as a justified premium investment due to performance and comprehensive licensing.
IBM FlashSystem pricing is competitive but can be higher; users stress evaluating total costs, including software and support.
Nasuni offers competitive pricing with flexible cloud compatibility, licensing per terabyte, and cost-effective enterprise solutions.
While the prices may be higher than those of other vendors, we see it as a market leader with benefits.
The support can be a bit pricey, but the solution is more cost-effective than anything else out there.
I would give it a nine out of ten in terms of costliness.
To install or upgrade any software features, the cost is high, which makes it challenging for smaller companies who do not require advanced features like deduplication or compression typically needed by larger organizations.
I prefer solutions with lower pricing.
 

Valuable Features

Pure FlashArray X NVMe offers exceptional performance, reliability, scalability, and seamless VMware integration, enhancing workload efficiency and user experience.
IBM FlashSystem, known for high performance and reliability, excels in storage virtualization and advanced features, enhancing data efficiency.
Nasuni provides scalable cloud-based file management with global file locking, data security, and efficient disaster recovery features.
Pure Storage has signature security technology, which cannot be deleted, even if you are an administrator.
The platform's robust features include excellent sustainability tracking, and a comprehensive dashboard offering insights into IOPS, bandwidth, performance, and virtual activities.
Its data compression feature is the best that we have ever seen.
There is a significant amount of data reduction, achieving a ratio of one to three.
There is built-in compression, a data reduction feature, and artificial intelligence-driven insights that calculate warnings and errors to redirect to customers automatically.
When integrated properly into the environment and configured according to the guidelines, it provides a very solid infrastructure that does the job on demand.
The features I find most valuable in Nasuni are the unlimited snapshots, antivirus capabilities, auditing, and ransomware protection.
 

Categories and Ranking

Pure FlashArray X NVMe
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Average Rating
9.0
Reviews Sentiment
6.7
Number of Reviews
36
Ranking in other categories
All-Flash Storage (14th), NVMe All-Flash Storage Arrays (6th)
IBM FlashSystem
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
112
Ranking in other categories
NAS (5th), Modular SAN (Storage Area Network) (2nd), All-Flash Storage (13th)
Nasuni
Average Rating
8.8
Reviews Sentiment
7.4
Number of Reviews
36
Ranking in other categories
File System Software (1st), NAS (7th), Cloud Migration (3rd), Cloud Storage (4th), Cloud Backup (14th), Disaster Recovery (DR) Software (10th), Cloud Storage Gateways (3rd)
 

Featured Reviews

Jaehoon Oh - PeerSpot reviewer
Supports efficient storage management through volume snapshots and offers reliable non-disruptive upgrades
I have no specific improvements to suggest for Pure FlashArray X NVMe at this time. The performance statistics could be enhanced. I can see the performance statistics in the Pure Storage console, but it does not show the performance by 4K byte unit. It displays IOPS and bandwidth, but IOPS is about real use, and I want to know how many IOPS are currently running in 4K byte units. I cannot see that IOPS because most storage systems report their performance by 4K byte unit. I want to see Pure Storage performance by 4K byte unit to compare with other storage or other internal NVMe SSD.
OmarIsmail1 - PeerSpot reviewer
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.
Barry Sunanan - PeerSpot reviewer
It helped us save 40 to 45 percent on some types of data
It can provide a 360-degree view of your data, depending on how you implement it and whether you're storing your data in Nasuni. However, if you're working with multiple cloud providers, I don't think it's mature enough to provide a 360-degree view of what's in AWS, Azure, and Google Cloud. I think it can do it, but it's still a lot of scope and range fitting. Given that Nasuni storage is actually cheaper in some areas, it made sense for us to move a lot of our data away from Microsoft. Nasuni gave us more of a 360 view of that particular data type. Other data types are a little different because the company went in a direction where they wanted to store some stuff in an AWS S3 bucket rather than a file storage system. An S3 bucket has its advantages, but if you were to store more of your data in Nasuni, you would get a wider 360-degree view of it rather than on several cloud providers. I have data in AWS, Google, and Azure, and I would like to see a wider view of all the data stored across these three top providers. Currently, I use it for AWS and Azure, but I couldn't use both of them at the same time. I think Nasuni could have better visibility across these different areas. I had to take my data out and then do some analysis to get the costs. It would be helpful to have more built-in analytics tools to compare the storage costs between the various cloud providers. I would also like some graphing capabilities. We had a tool called Grafana that we used for graphing. I think some more visual analytics like that would be nice.
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Manufacturing Company
10%
Financial Services Firm
10%
Government
6%
Computer Software Company
13%
Financial Services Firm
10%
Manufacturing Company
9%
Comms Service Provider
7%
Computer Software Company
15%
Manufacturing Company
10%
Financial Services Firm
10%
Construction Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Pure FlashArray X NVMe?
Pure FlashArray X NVMe helps to improve our processing speed. It is user-friendly and easy to use.
What is your experience regarding pricing and costs for Pure FlashArray X NVMe?
The price of Pure FlashArray X NVMe is very expensive, though I do not know the actual price because I am using the E...
What needs improvement with Pure FlashArray X NVMe?
I have no specific improvements to suggest for Pure FlashArray X NVMe at this time. The performance statistics could ...
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 bank...
What needs improvement with IBM FlashSystem?
The deduplication technology in IBM FlashSystem needs significant improvement. Other vendors like NetApp ( /products/...
Does Nasuni have a good pricing model?
Based on the experience of my organization, Nasuni is definitely worth the money, since it gives you an all-in-one so...
Is it easy to restore files with Nasuni?
As someone who has used this feature of Nasuni I can tell you - yes, it's good for file recovery and you'll definitel...
What features and services does Nasuni offer?
Hi, if you pick Nasuni, you'll be benefiting from many services for a good price. Well, it's a personalized price you...
 

Also Known As

Pure FlashArray//X NVMe, Pure FlashArray//X, FlashArray//X
IBM Storwize
No data available
 

Overview

 

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company
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
American Standard, CBRE, Cushman & Wakefield, E*TRADE, Ithaca Energy, McLaren Construction, Morton Salt, Movado, Urban Outfitters, Western Digital
Find out what your peers are saying about IBM FlashSystem vs. Nasuni and other solutions. Updated: August 2025.
865,384 professionals have used our research since 2012.