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A10 Networks Thunder ADC vs Barracuda Load Balancer ADC comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 17, 2024

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

A10 Networks Thunder ADC
Ranking in Application Delivery Controllers (ADC)
10th
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
22
Ranking in other categories
No ranking in other categories
Barracuda Load Balancer ADC
Ranking in Application Delivery Controllers (ADC)
14th
Average Rating
7.6
Reviews Sentiment
7.5
Number of Reviews
5
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2025, in the Application Delivery Controllers (ADC) category, the mindshare of A10 Networks Thunder ADC is 5.0%, up from 4.9% compared to the previous year. The mindshare of Barracuda Load Balancer ADC is 1.5%, up from 1.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Delivery Controllers (ADC) Market Share Distribution
ProductMarket Share (%)
A10 Networks Thunder ADC5.0%
Barracuda Load Balancer ADC1.5%
Other93.5%
Application Delivery Controllers (ADC)
 

Featured Reviews

RonaldoDE Melo - PeerSpot reviewer
Protects connection and servers from direct access with control access feature
The initial setup is very simple. The issue is that it achieves high output across all its features, specifically the output ports. This affects the customer's solution because sometimes, the customer is even aware of the user's activity on certain servers. If you have all the necessary information, we can quickly deploy the solution within two to three days. The size of the Thunder ADC depends on its configuration. For example, the cache converter typically includes more than two rack units, often requiring at least three rack units for adequate space. I rate it a ten out of ten, where one is difficult, and ten is easy.
Roni Wijaya - PeerSpot reviewer
A simple and powerful solution with WAF feature
The solution is simple and powerful. I find the Barracuda Load Balancer ADC's load balancing function most valuable. It balances the traffic well. The security features, like the Web Application Firewall, are also very helpful. I use the SSL offloading feature too. It's very helpful because it prevents overload. Our application runs on HTTP, but we upload HTTPS on the load balancer. This means there are no performance issues. I think it's very helpful.

Quotes from Members

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

Pros

"We do have the option of creating virtual chassis, so that gives it a bit more security. If we find an application which is not going to play well in the main pool, we can easily create a virtual chassis and have that application in that virtual chassis. With the virtual chassis we can also create system partitions and have a test system for test applications, and have the others elsewhere."
"It's a very friendly solution, easy to configure and it's very flexible."
"The ease of use is very good. It's very robust. It just sits and works."
"A10 explained why the latency dropped significantly on a site that we have."
"We have two appliances and I'm able to move my application from one appliance to another. I don't have to move my whole A10 to be active on the other side or to be passive on the other side. If an application is having a problem, I can just move it using a command."
"For the past two and a half years, we have not had a need to open a tech support ticket. It is really stable. In the past, our experience with tech support was that they were extremely helpful."
"The solution is stable."
"The solution is user-friendly and the CLA troubleshooting is easier compared to other solutions."
"The most useful features in Barracuda Load Balancer are its security capabilities, load balancing efficiency, and scalability."
"The price is very good, and it's not very expensive."
"The solution is simple and powerful. I find the Barracuda Load Balancer ADC's load balancing function most valuable. It balances the traffic well. The security features, like the Web Application Firewall, are also very helpful."
"Barracuda's technical support is good - whenever we have an issue, they immediately connect and resolve it."
"I would rate the stability of Barracuda Load Balancer as a ten out of ten; it has high stability."
 

Cons

"I would like them to provide learning tips and a community forum where users can share ideas. They need more detailed support articles on the A10 website."
"There are competitors that have more features."
"The user interface is not as pretty as it could be."
"There is room for improvement in the GUI. I just migrated from the 2.7 software train to the 4.1, and there are still people on 2.7. The latter is a very old GUI if you compare it to F5. It's not as easy to use and a lot of things are missing. They've made a lot of improvements in the 4.1 step, but compared to the ease of use of F5, it's still quite difficult. For people who haven't got a lot of experience, the GUI can be quite challenging."
"The product is expensive."
"A10 Networks Thunder ADC could improve on the Application Delivery Controller. it's not a fully-fledged web application firewall solution. For example, application data and support need to improve."
"Traffic flow issues are very difficult, as there's no means for us to analyze the traffic coming in or out of the appliance without technical support."
"In my opinion, they need to improve their cloud support. There is support for cloud, but not all functions are there, such as high-availability."
"There are areas of Barracuda Load Balancer's security that have room for improvement, particularly concerning handling traffic."
"Load Balancer ADC is competitively priced, but it's not feature-rich, and its technology is not that advanced."
"The quality of the solution's performance could be improved."
"The Barracuda Load Balancer ADC could be improved with more customization features. For example, F5 uses iRules for custom configurations. I haven't found something similar in Barracuda yet. The load balancer and WAF's basic and common features are enough, but we need more customization options."
"There are areas of Barracuda Load Balancer's security that have room for improvement, particularly concerning handling traffic."
 

Pricing and Cost Advice

"We just pay for support in addition to our licensing."
"We previously had F5 and switched because of costs."
"As for the initial investment in the hardware, F5 and A10 are quite similar now. For the current A10 solution, the initial cost was about $36,000. As for annual support, the F5 solution would be between $10,000 and $12,000, while the A10 is $2,200 a year for support."
"One of the main reasons for switching away from Cisco was the licensing model. A10 gives you global server load balancing for free, while Cisco charged a significant licensing fee for that."
"It is $7000 per unit for the support annually."
"You get a lot more for your dollar with A10."
"The solution costs less than its competitors."
"For the hardware and license, we paid $35,000 per box, which was a one-time cost. Then, for the Gold Support on the two boxes, we pay $9400 annually."
"Load Balancer ADC is cost-effective and is about half the price of F5."
"I rate the solution's pricing a five out of ten."
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Top Industries

By visitors reading reviews
Computer Software Company
20%
Financial Services Firm
12%
University
6%
Government
6%
Computer Software Company
12%
Retailer
11%
Educational Organization
9%
Media Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise5
Large Enterprise11
No data available
 

Questions from the Community

Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
I would recommend A10 Networks due that it delivers high performance in a small form factor to reduce OPEX with significantly lower power usage, rack space, and cooling requirements compared to oth...
Do you recommend A10 Networks Thunder ADC?
I do recommend A10 Networks Thunder ADC. It's very user-friendly, easy to configure, and flexible. It is a very useful solution - especially now, when a lot of employees are working remotely. I hav...
What do you like most about A10 Networks Thunder ADC?
A10 Networks Thunder ADC is an easy-to-use and flexible solution.
What is your experience regarding pricing and costs for Barracuda Load Balancer ADC?
Pricing for Barracuda Load Balancer ADC can be a consideration. However, it offers good value with its cost-saving benefits and efficient operation, balancing the initial financial outlay.
What needs improvement with Barracuda Load Balancer ADC?
There are areas of Barracuda Load Balancer's security that have room for improvement, particularly concerning handling traffic. Also, more could be done to enhance the initial setup, as it can be c...
What is your primary use case for Barracuda Load Balancer ADC?
The typical use case for Barracuda Load Balancer ADC involves managing and distributing network traffic efficiently to maintain system performance. Clients use Barracuda Load Balancer ADC for its a...
 

Also Known As

Thunder ADC, AX Series
Barracuda Load Balancer
 

Overview

 

Sample Customers

123inkt.nl, Bentley University, Box, Brainshark, Buienradar, Capgemini, CGN/LSN & NAT64, Chengdu Telecom, Club One, Code Ready, CRC Health Group, Cyso, Deutsche Telekom, Earth Class Mail, Excite, FFF Enterprises, Florence County, Framingham State University, From30
Fenwal Blood Technologies
Find out what your peers are saying about A10 Networks Thunder ADC vs. Barracuda Load Balancer ADC and other solutions. Updated: September 2025.
867,445 professionals have used our research since 2012.