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Fortinet FortiGate-VM 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
589
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 FortiGate-VM
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
143
Ranking in other categories
Firewalls (9th)
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.
KO
Network Administrator at THK Co Ltd
Faced hardware limitations and setup challenges but have improved network protection over time
I spent much time finding exact firmware on Aruba which was working with these guns, but it is not optimal because it is not the latest version, so there could be potential security problems. We decided to replace those access points with another one. I personally have trouble because I don't know the exact life cycle of Fortinet FortiGate-VM boxes. I don't know if the life of boxes is five years or something else; we moved from our previous company, which sold us to other companies. Before 10 years, we had a special department that took care of core networks, including firewalls. After that, this responsibility fell to me and my colleague. It is not easy to set up these Fortinet FortiGate-VM boxes properly because we didn't have previous experience with this kind of solution. At first, we set up only a few rules that were not secure enough, and over a couple of years, we improved the settings and security of these Fortinet FortiGate-VM boxes. Currently, I have one Fortinet FortiGate-VM that needs to be replaced next year, and this box is not so powerful, so I need to redirect some traffic to another Fortinet FortiGate-VM. It is stable, but because the CPU processor of this box is not powerful, I need to redirect some traffic to another box. In the future, I need to choose a higher-level box to prevent potential troubles with the power of this box.
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

"Fortinet FortiGate is a firewall solution and once it's deployed, you can rest assured that your system is secure."
"Fortinet FortiGate is stable; I am told that Fortinet FortiGate is one of the best solutions available, and I believe it."
"The SD-WAN feature is the most valuable; this feature evolved from link load balancing and has helped us in terms of our uptime and prioritizing applications whenever we experience an outage."
"I like that you are able to manage FortiGate from the FortiManager to create a more centralized environment."
"I like Fortinet's cloud management, as it allows me to manage all my devices in different branches for three cloud accounts, and even though I use on-prem devices, I can manage everything on the cloud."
"The features that I have found most valuable are the SD-WAN and their IP4 policy."
"New users should be aware that this solution offers very good security."
"The most valuable features of Fortinet FortiGate are the ease of use and there are several operating systems that can include the hardware capacities. In the newer releases, the resources were more useful because they were included in the operating system."
"The platform has a good user interface."
"The most valuable features of Fortinet FortiGate-VM are the servers, analyzer, and track protection."
"The ease of access and user-friendly setup is a valuable feature. Fortinet proves to be particularly straightforward to configure, offering simplicity without complexity. Moreover, visibility is easily attainable due to certain factors. Price, implementation, and budget considerations play a role. When it comes to Cisco implementation, the process tends to be more intricate, which many customers find unfavourable for their business needs."
"In spite of the solution being inexpensive, it has everything one would need."
"The initial setup was quite straightforward."
"The product can scale."
"That's primarily why we steer clients in the direction of Fortinet."
"The best features of Fortinet FortiGate include the flexibility of hybrid cloud capabilities and the way they are structuring their multi-tenancy and for managed services, along with manageability."
"The solution can scale well."
"The Zyxel Unified Security Gateway solution is stable and does its job effectively."
"The cost is very low."
"This is a capable appliance and the standard features work well for us."
"This is a capable appliance and the standard features work well for us."
"The most valuable features of the solution stem from web filtering, malware protection, and antivirus."
 

Cons

"Quality control on their firmware versions needs improvement. When they introduce new firmware, there tend to be bugs."
"I wish that they could integrate zero-trust technology into Fortinet FortiGate. I am not sure whether it has been done already, but if they could implement that, it would help significantly."
"I would like to see better pricing in the next release, as well as a simplification of the installation."
"What could be improved in Fortinet FortiGate SWG is its pricing because it's a bit higher. If it's cheaper, my company could pitch it to customers and engage with customers better about it. What I'd like to see in the next release of Fortinet FortiGate SWG is an improvement in its dashboard or GUI. I'd like it to be more user-friendly."
"Deploying FortiGate is hard."
"There are some tiny bugs that sometimes affect the operations. In the past revision of it, there was a bug. Because of the bug, we had to downgrade the version. It happened only with the last revision."
"There were quite a few problems with the stability of the system."
"They could improve the response time and quality of support."
"They should keep us up to date about the latest version. That's the biggest thing. Currently, we have to go looking for the latest version. We should get notified about what's going on with the versions. I would like to see easier dual-factor authentication."
"There should be a bit more automation."
"In the next releases, it would be nice to see central cloud management."
"The one thing that could be improved is the integration with the exchange. The gateway level controls can be enhanced a bit more. For example, it's still little here and there. You do get malicious attacks and suspicious emails like spam. It's not like Sophos where we got a lot of spam email, and yet, it's still relatively vulnerable. It can be upgraded, maybe with a fifth-generation firmware that it is ready for unknown threats."
"In the Philippine market, where cybersecurity is still growing but not yet fully mature, we have many clients who have Fortinet FortiGate-VM or hardware. However, we cannot really position the Fabric if the licenses, renewal parts, or other components have monetary requirements that hinder full utilization."
"Capacity-wise, I think the solution's log storage area is something that needs to be increased since, by default, it stores logs for only seven days."
"The GUI could be improved."
"Once the sale happens, they just vanish, and then you're on your own."
"Although manageable, the user interface is a little bit slow and could be improved."
"Sometimes it reboots when you least expect it, and that's the main issue."
"The product has some scalability and data management issues where improvements are required."
"Although manageable, the user interface is a little bit slow and could be improved. The advanced UI allows me to do whatever I want, but this is where the issue of speed exists."
"I have never seen it in any company that I've worked with before, and I would advise other companies not to buy it."
 

Pricing and Cost Advice

"Its price is reasonable. They have a clear pricing policy. It is not complicated by the number of VPN users at a time. We know what the price is. The yearly subscription for the security license is rather high, but it is all included for whatever number of users you have and the kind of functions you need."
"If the price of the license in Fortinet FortiGate was less expensive it would be better."
"Fortinet costs are 25% lower than the high-cost provider. There is an equipment cost and a recurring monthly cost for licenses and technical support."
"The solution is offered as an annual license."
"There is a license to use Fortinet FortiGate."
"The product is not very expensive."
"The price of FortiGate is comparable to that of most other firewall solutions and is more affordable than Cisco."
"The price of the license and warranty can be better because it is very expensive."
"It's not a cheap solution but it comes with its benefits."
"I rate the product price a seven on a scale of one to ten, where one is a low price, and ten is a high price."
"It is an expensive solution."
"The pricing is really good."
"​The basic pricing in Austria is OK, but asking for special offers, e.g., NPOs, NGOs, trade up, and/or trade in, is always useful.​"
"The product is expensive. Users can opt for a one-year, two-year, three-year, or five-year subscription model when it comes to licensing."
"For medium and enterprise organizations, FortiGate is more affordable."
"It has a flexible pay-as-you-go pricing model."
"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
11%
Comms Service Provider
9%
Manufacturing Company
8%
Financial Services Firm
6%
Computer Software Company
11%
Comms Service Provider
7%
Media Company
6%
Marketing Services Firm
6%
Comms Service Provider
21%
Computer Software Company
8%
Outsourcing Company
8%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business364
Midsize Enterprise135
Large Enterprise190
By reviewers
Company SizeCount
Small Business72
Midsize Enterprise34
Large Enterprise39
No data available
 

Questions from the Community

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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...
Which would you recommend - FortiGate VM or Azure Firewall?
Both of these solutions are excellent options that provide flexible scalability and solid security. Fortinet Fortigat...
What do you like most about Fortinet FortiGate-VM?
An enhanced security solution for any kind of alert that we have configured.
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
FortiGate Virtual Appliance, FortiGate-VM
No data available
 

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
Security7 Networks, COOPENAE
Information Not Available
Find out what your peers are saying about Fortinet FortiGate-VM vs. Zyxel Unified Security Gateway and other solutions. Updated: March 2026.
885,311 professionals have used our research since 2012.