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CTERA Intelligent Data Platform vs DDN EXA5 comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Sep 18, 2026

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

CTERA Intelligent Data Plat...
Ranking in File System Software
1st
Average Rating
8.6
Reviews Sentiment
6.8
Number of Reviews
26
Ranking in other categories
NAS (4th), Cloud Migration (4th), Cloud Storage (2nd), Cloud Backup (7th), Disaster Recovery (DR) Software (5th), Cloud Storage Gateways (1st), Content Collaboration Platforms (6th), AI Legal & Compliance (2nd)
DDN EXA5
Ranking in File System Software
6th
Average Rating
8.0
Reviews Sentiment
6.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the File System Software category, the mindshare of CTERA Intelligent Data Platform is 14.9%, up from 10.4% compared to the previous year. The mindshare of DDN EXA5 is 4.0%, up from 2.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
File System Software Mindshare Distribution
ProductMindshare (%)
CTERA Enterprise File Services Platform14.9%
DDN EXA54.0%
Other81.1%
File System Software
 

Featured Reviews

Tim M. - PeerSpot reviewer
Senior Manager at a manufacturing company with 10,001+ employees
Supports global file recovery and rapid data versioning across 80 nodes
When we implemented CTERA Enterprise File Services Platform early on, and we've been on the platform for three years, we have three different cloud portals. We have an EU portal, we have an Americas portal, and we have an APAC portal. It would be nice if we could combine that into one portal just for that global single pane of glass look. We've talked with them about that and they say it's challenging just because of some of the structure, but that would be something nice if we could get that. I integrated with Varonis, and because CTERA Enterprise File Services Platform didn't have initially a working relationship with that vendor, it would have been nice had that pre-existed us saying we need this. But that wasn't totally CTERA's fault. There was a lot of challenge working with the vendor to build out that interface. A single pane of glass for CTERA Enterprise File Services Platform would be beneficial. Everything else works fairly well. We've never had a point where we couldn't get to something that caused us to have a serious outage, and that to me is the mark of a good software package. It's never really caused us serious issues. We have our issues, that's true, and every software package does. However, we've always been able to meet the needs of the business, and we drive hard on security, stability, and scalability. From the scalability standpoint, that's one of the most important things to us. We're on their capacity-based licensing, so if I need to ramp up another CTERA Enterprise File Services Platform NAS, if we have an M&A, I can easily and quickly spin up another NAS and start doing that data transition fairly quickly. The biggest maintenance issue with CTERA Enterprise File Services Platform is firmware upgrades. We've done a lot of transition from hardware solution to virtualized infrastructure in order to minimize that hardware lifecycle portion of it. We have to upgrade the firmware and sometimes that can be challenging in the nature of business of our size with 80 CTERA Enterprise File Services Platform nodes around the globe. The issue we've had with CTERA Enterprise File Services Platform happened recently in a firmware upgrade where there was a major database back-end upgrade and that took some time. For our smaller sites, it would be an hour or two, and I can build that into a fairly easy change window. But in our larger sites where we may have hundreds of terabytes of data, that database update process took maybe a day or a day and a half. That becomes more challenging, especially in a manufacturing environment where people are wanting to access configuration files. We had to pin the data locally because the data would be available on the local edge filer, but the cloud sync, while it was updating the database, the cloud files weren't available. That would be the other thing I'd like to see an improvement on: some way to do those database upgrades either in a more segmented fashion or in some type of offline environment. I understand the logistics behind that sounds easy, but I'm sure it's not.
reviewer2544219 - PeerSpot reviewer
Chief Architect at a tech services company with 1,001-5,000 employees
Enhancing AI cluster training with reliable performance and good customer service
This is for AI training cluster. The customer is using DDN as a default de facto standard for their AI cluster DDN is one of the storages actually supporting by NVIDIA Superport. The customer is using NVIDIA Superport, which helps in terms of scalability. The DDN Exascaler uses a parallel file…

Quotes from Members

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

Pros

"I recommend everyone to use CTERA Enterprise File Services Platform as it is really stable, versatile, and it does not have much downtime—it is perfect."
"The solution provides data eviction, where unused data is evicted from the local file, freeing up space. It also allows data to be rehydrated from the cloud when needed."
"CTERA Enterprise File Services Platform has improved our operations tremendously by eliminating our NAS branch and providing a single platform for our file storage where we can sync, share, and backup our runtime data."
"It is a three-in-one solution for us. It is a file-sharing platform, an archiving solution, and also a backup solution."
"CTERA's instantaneous and redundant file replication, available across multiple geographical locations, ensures easy and user-friendly recovery."
"The replication workflows have replicated content to our branch offices and cached that content, which makes that content accessible to our regional offices around the globe and makes accessing that data much easier and much faster."
"CTERA Enterprise File Services Platform is improving the way we manage data in the company, and the main idea of this is to save money."
"Our main reason for going for this solution was the uncontrollable growth of file data. It was unsustainable on our previous platform or technology. We needed something scalable like CTERA, so it was the scalability that we required."
"The performance is outstanding, and customers are very happy with it."
"The DDN Exascaler uses a parallel file system, Lustre, which is proven for HPC and AI workloads."
 

Cons

"I would rate CTERA Enterprise File Services Platform a nine out of ten because I think there are some shortcomings in the performance of the gateway that could be improved, and I realize part of that is we are running an older version."
"I am looking for a process where version upgrades do not impact the customers. There is no downtime."
"One area for improvement is the migration tool, which at times does not work as designed, necessitating the use of alternative solutions like Robocopy."
"The new Edge filer that they have comes with a lot more features than what we purchased. It would be better if we are able to add those extra features without having to swap out the hardware. A clear upgrade path for legacy customers would be beneficial."
"More monitoring from the platform would be good. There is some monitoring, but it is paid. It is a chargeable service. It would be good for that to be included in the base."
"CTERA Enterprise File Services Platform is not as stable as a corporate would prefer."
"There are two things about CTERA Enterprise File Services Platform that I think they can improve. The first one is the reporting or maybe the monitoring solution because they lack reporting about the shares that we have, the used space, the total space, the permissions, or other relevant metrics."
"There are some micro-level loggings that would have been better in improvising, and all those details are in the pipeline."
"There are challenges with the operation cost and upgrading process, which is disruptive, especially with the node."
 

Pricing and Cost Advice

"It is fairly priced. I am not too involved in the pricing of what we used to pay, but it would have reduced the cost of ownership. I cannot give a figure, but the EMC solution was very expensive compared to CTERA."
"It is hard to compare the costs if we want to retain the same model of a separate high-performance storage or certain things, but it is one of the cheapest solutions available in Israel."
"I am not directly involved in the pricing aspects, but I understand that CTERA's pricing is competitive and within industry standards."
"So far, pricing seems to be fine."
"I find the pricing reasonable. They offered us deals that helped us. Especially with the upgrade to a bigger unit last year, they were helpful with the deal."
"CTERA's pricing seems to be on par with some of the other players, such as Nasuni and Azure. They all have benefits, but CTERA is competitive for its features."
"CTERA's pricing model is competitive compared to other companies that achieve the same thing. Their closest rival is Nasuni, and CTERA is significantly more affordable than Nasuni."
Information not available
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Top Industries

By visitors reading reviews
Computer Software Company
34%
Outsourcing Company
32%
Financial Services Firm
4%
Construction Company
4%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise2
Large Enterprise26
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for CTERA Enterprise File Services Platform?
Regarding pricing, setup costs, and licensing, I found CTERA Enterprise File Services Platform to have competitive pricing compared to options such as Nasuni and IBM, and we were satisfied with bot...
What needs improvement with CTERA Enterprise File Services Platform?
One area for improvement with CTERA Enterprise File Services Platform involves the data metrics, as I think having deeper insights into usage at the folder level would be beneficial; understanding ...
What is your primary use case for CTERA Enterprise File Services Platform?
CTERA Enterprise File Services Platform is used primarily as cloud storage and data retention within the company. For cloud storage and data retention in our organization using CTERA Enterprise Fil...
What is your experience regarding pricing and costs for DDN EXA5?
The cost is higher compared to other offerings, but the performance is good. The challenge in comparison to other offerings is that DDN is a little bit expensive.
What needs improvement with DDN EXA5?
There are challenges with the operation cost and upgrading process, which is disruptive, especially with the node. Some customers have moved away due to these operational issues.
What is your primary use case for DDN EXA5?
This is for AI training cluster. The customer is using DDN as a default de facto standard for their AI cluster.
 

Also Known As

No data available
EXA5
 

Interactive Demo

Demo not available
 

Overview

 

Sample Customers

McDonald's, WPP, US Navy, Gore, Festo, Stryker, Bezeq, PERI
ICR, Recursion, Toyota Technical Development Corporation (TTDC), Deluxe, Buff Dubs
Find out what your peers are saying about CTERA, Panzura, Nasuni and others in File System Software. Updated: September 2026.
913,924 professionals have used our research since 2012.