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Fortinet FortiOS vs Zyxel Unified Security Gateway comparison

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Comparison Buyer's Guide

Executive Summary

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

Fortinet FortiGate
Sponsored
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
580
Ranking in other categories
Secure Web Gateways (SWG) (2nd), Firewalls (1st), Intrusion Detection and Prevention Software (IDPS) (1st), Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st), ZTNA (1st), Unified Threat Management (UTM) (1st)
Fortinet FortiOS
Average Rating
8.4
Reviews Sentiment
8.0
Number of Reviews
82
Ranking in other categories
Firewalls (20th)
Zyxel Unified Security Gateway
Average Rating
6.6
Reviews Sentiment
4.9
Number of Reviews
4
Ranking in other categories
Unified Threat Management (UTM) (13th)
 

Featured Reviews

Vasu Gala - PeerSpot reviewer
Manager, Information Technology Operation/Presales at TechMonarch
A stable solution with an intuitive interface and quick customer service
I have been working with Fortinet FortiGate, WatchGuard, Sophos, and SonicWall. I'm not as comfortable with SonicWall because of their UI and limitations. I prefer Fortinet above all other options. When it comes to configuration, I am confident in my ability to handle various tasks, including creating policies such as firewall rules, web policies, and application policies. Additionally, I can configure VPNs and implement load balancing, among other tasks. Overall, I feel much more comfortable working with Fortinet. Fortinet has made significant improvements by integrating AI with firewalls for threat analysis and prevention. In the past 2-3 years, they have launched FortiSASE and SIEM, and they also provide SOC services. Both Palo Alto and Fortinet FortiGate are excellent. While Fortinet FortiGate comes at higher prices, the functionality and support justify the cost. They promptly resolve firmware issues and inform all support providers about configuration changes.
MS
Associate Director IT Operations at Procento
Single-pane management has simplified firewall control and has improved risk mitigation
I would not say that Fortinet FortiOS is not very scalable. Generally, what happens is that for enterprises, we hire consultants who do the capacity planning and sizing to determine what kind of firewalls to put in place. At the same time, it is not only the number of users; it also depends on the number of WAN links coming in and everything, because we have been using Fortinet for bandwidth shaping and many other bandwidth-related functions. They should improve their machine learning AI capabilities of Fortinet FortiOS because there is too much competition. Other players are also improving and making a lot of changes in their UI and overall operating system.
reviewer2399337 - PeerSpot reviewer
Sales and technical consultant at a manufacturing company with 10,001+ employees
User has benefited from stable performance and effective completion of security tasks
I use it mostly for VPN and for some firewall solutions When considering my main use case with VPN, I can say that I got the Zyxel Unified Security Gateway, and it works fine. However, we are thinking about using a different solution based on open source because Zyxel Unified Security Gateway…

Quotes from Members

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

Pros

"It is complemented by other equipment, such as the Fortinet switch, and it is integrated with other tools that help to prevent cyberattacks, including a web filter, IPS, and application control."
"The best feature of Fortinet FortiGate is the IPS or IDS implementation. I appreciate most the agility or the flexibility to create hashes to block incoming threats, and I can integrate with third-party threat intelligence with our FortiGate."
"The primary feature I appreciate about Fortinet FortiGate is the ease of setup."
"For the performance they provide, the price is acceptable."
"You can create multiple Virtual Domains (VDOMs), which are treated as separate firewall instances."
"I would rate the scalability of this product a nine out of ten because it is highly scalable. We have not had problems with customers in terms of scalability."
"Its usability is good. We can easily navigate the system, and we have a very good user experience."
"I only deal with it from a security analyst's point of view. I don't really get into the features of the actual FortiGate. From the security point of view, it works, and it does its job."
"The information security features are the most valuable."
"FortiOS is very user-friendly and easy to configure for L1, L2, and L3 personnel."
"We found the initial setup to be straightforward."
"The user experience is great. The graphical user interface is also good."
"The solution constantly adds features that are useful and user-friendly such as the ability to tweak firewalls through the CLI."
"The most valuable features are the ease of use, and the overall simplicity, everyone can use it with a small introduction."
"Performance-wise, I think FortiOS is much better than its Juniper counterpart. Based on our actual experience and performance metrics, FortiOS-based products are much better than Juniper."
"The solution provides good firewall and antivirus protection."
"This is a capable appliance and the standard features work well for us."
"The solution can scale well."
"The Zyxel Unified Security Gateway solution is stable and does its job effectively."
"The most valuable features of the solution stem from web filtering, malware protection, and antivirus."
 

Cons

"In their datasheet, they put the throughput as huge, but once you enable all the features of the box, the performance is impacted dramatically."
"Currently, without the additional reporting module, we only have access to basic reporting."
"One drawback of Fortinet FortiGate is that they provide two types of models: one with a hard disk and another without. The model without a hard disk has very low ROM where you can store very few logs, after which you need to upload it to the cloud or purchase a firewall with SSD. That's the only drawback."
"One of the most important areas for improvement for Fortinet FortiGate is the limited resources for tests."
"Fortinet FortiGate needs to improve to be on par with its competitors, such as Palo Alto and Sophos. They are the market leaders. Fortinet FortiGate needs to improve its capabilities. However, we are happy with Fortinet FortiGate."
"One area for improvement for Fortinet FortiGate could be the price, as my clients here are small companies, and they might not have the resources or money to always buy a Fortinet FortiGate solution or FortiGate products."
"The anti-malware engine could use an upgrade."
"Usually, we sell the bundle with the UTM or threat management piece with IPS, IDS. Other providers, such as Palo Alto, are ahead in terms of safe functionality. So, for me, delivering truly safe service is probably something that still needs to be improved."
"They need to integrate more with the SD-WAN."
"There should be more documentation on how to use the CLI or how to perform CLI versions of tasks that can be done through the GUI."
"A switch should be introduced."
"There is no flexibility."
"In some specific products, Fortinet FortiOS faces memory issues, which can lead to unexpected downtimes."
"Right now, all the features meet my requirements."
"Fortinet FortiOS need to manage its memory and CPU utilization better. It peaks at times, which sometimes can be challenging."
"It could more scalable for the lower end users."
"The product has some scalability and data management issues where improvements are required."
"Sometimes it reboots when you least expect it, and that's the main issue."
"Although manageable, the user interface is a little bit slow and could be improved."
 

Pricing and Cost Advice

"The license for Fortinet FortiGate is affordable in my country."
"The licensing scheme of Fortinet is better than Cisco. It is more logical."
"The price is really low. It's cheap in comparison to the cost of Cisco or CheckPoint, for example."
"The license of Fortinet FortiGate should be reduced."
"The main reason we chose Fortinet FortiGate was that the price was better than the competition."
"I had to pay for the license for the firewall, but it is guaranteed to have updates. I expect a good service for it. It was about €1000 for a year, and there was no additional cost."
"We are currently evaluating a Palo Alto solution, and the pricing could be a reason for going for Palo Alto."
"Pricing and licensing is a little bit complicated in FortiGate. They are always on the higher side. This is one issue that we always raise with the company that they should reduce the price according to Indian market requirements. There are no costs in addition to the standard licensing fees."
"The price of Fortinet FortiOS is comparable to other similar solutions on the market. We are on an annual license to use the solution."
"It is not cheap."
"Pricing depends on implementation and licensing choices and is usually not a practical budget choice for small businesses."
"The pricing is competitive for the medium and high markets but for the small markets it can be expensive."
"The pricing could always be lower."
"Regarding the cost, the initial purchase is relatively cheap because it comes bundled. However, the subscription renewals can be quite expensive. The renewal costs are high, even though the initial purchase might include discounts."
"The solution is cost effective. I would rate the pricing a five out of ten."
"It is not cheap; it is also not expensive. It is somewhere in the middle."
"The price of Zyxel Unified Security Gateway is good compared to other similar products in the market."
"This gateway is pretty cheap."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Comms Service Provider
9%
Manufacturing Company
8%
Financial Services Firm
7%
Computer Software Company
11%
Manufacturing Company
10%
Financial Services Firm
9%
Comms Service Provider
7%
Comms Service Provider
22%
Computer Software Company
11%
Outsourcing Company
8%
Wholesaler/Distributor
4%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business357
Midsize Enterprise133
Large Enterprise188
By reviewers
Company SizeCount
Small Business43
Midsize Enterprise13
Large Enterprise23
No data available
 

Questions from the Community

Which is the better NGFW: Fortinet Fortigate or Cisco Firepower?
When you compare these firewalls you can identify them with different features, advantages, practices and usage a...
What is the biggest difference between Sophos XG and FortiGate?
From my experience regarding both the Sophos and FortiGate firewalls, I personally would rather use FortiGate. I know...
What are the biggest technical differences between Sophos UTM and Fortinet FortiGate?
As a solution, Sophos UTM offers a lot of functionality, it scales well, and the stability and performance are quite ...
Features comparison between Palo Alto and Fortinet firewalls
In the best tradition of these questions, Feature-wise both are quite similar, but each has things it's better at, it...
What do you like most about Fortinet FortiOS?
The SSL VPN is fee for use is most attractive.
What is your experience regarding pricing and costs for Fortinet FortiOS?
I rate the pricing for FortiOS as eight or nine out of ten. It is an affordable solution for us.
What do you like most about Zyxel Unified Security Gateway?
The most valuable features of the solution stem from web filtering, malware protection, and antivirus.
What is your experience regarding pricing and costs for Zyxel Unified Security Gateway?
I cannot definitively comment on whether Zyxel Unified Security Gateway is an affordable product as I haven't done co...
What needs improvement with Zyxel Unified Security Gateway?
The integration capability is quite challenging. The system is very complicated, and many features are hidden. I'm lo...
 

Also Known As

Fortinet FortiGate Next-Generation Firewall
No data available
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Overview

 

Sample Customers

Amazon Web Services, Microsoft, IBM, Cisco, Dell, HP, Oracle, Verizon, AT&T, T-Mobile, Sprint, Vodafone, Orange, BT Group, Telstra, Deutsche Telekom, Comcast, Time Warner Cable, CenturyLink, NTT Communications, Tata Communications, SoftBank, China Mobile, Singtel, Telus, Rogers Communications, Bell Canada, Telkom Indonesia, Telkom South Africa, Telmex, Telia Company, Telkom Kenya
Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data
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Find out what your peers are saying about Fortinet FortiOS vs. Zyxel Unified Security Gateway and other solutions. Updated: December 2025.
881,282 professionals have used our research since 2012.