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Palo Alto Networks K2-Series vs Sangfor NGAF comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jan 25, 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

Fortinet FortiGate
Sponsored
Ranking in Firewalls
1st
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
592
Ranking in other categories
Secure Web Gateways (SWG) (2nd), Intrusion Detection and Prevention Software (IDPS) (1st), Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st), ZTNA (1st), Unified Threat Management (UTM) (1st)
Palo Alto Networks K2-Series
Ranking in Firewalls
24th
Average Rating
8.4
Reviews Sentiment
7.4
Number of Reviews
35
Ranking in other categories
No ranking in other categories
Sangfor NGAF
Ranking in Firewalls
21st
Average Rating
8.0
Reviews Sentiment
6.5
Number of Reviews
34
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2026, in the Firewalls category, the mindshare of Fortinet FortiGate is 15.1%, down from 21.7% compared to the previous year. The mindshare of Palo Alto Networks K2-Series is 0.4%, up from 0.0% compared to the previous year. The mindshare of Sangfor NGAF is 1.1%, down from 1.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Firewalls Mindshare Distribution
ProductMindshare (%)
Fortinet FortiGate15.1%
Sangfor NGAF1.1%
Palo Alto Networks K2-Series0.4%
Other83.4%
Firewalls
 

Featured Reviews

JK
IP Network Security Specialist at MTN Ghana
Process-Level CPU Visibility: Introduce detailed CPU-usage metrics per subsystem (e.g., IPS engine, logging) so administrators can quickly identify and address performance spikes.
Analytics with FortiAnalyzer. Being able to pull in logs not just from our FortiGates but from all our other firewalls and then get them in one view has been a game changer. Whether I’m building an executive dashboard or doing a deep dive forensics session, I get everything I need without navigating consoles.Straightforward Application Control. FortiGate spots and blocks unwanted apps (eq. like BitTorrent or streaming services) with accuracy. Segmentation with VDOMs. We’ve carved our data center into four logical ‘mini-firewalls’ enterprise, core, billing, and WAF—all on one box. Each has its own rules and logs, and any traffic between them still gets inspected. It’s like having multiple appliances without the extra hardware. Always-Up-to-Date Threat Feeds. Daily signature updates and AI-driven threat sensing mean we’re blocking the latest vulnerabilities almost as soon as they’re announced.
TJ
Principle Cloud Architect at a tech services company with 11-50 employees
Has provided strong traffic visibility and efficient policy management for advanced network environments
Palo Alto Networks K2-Series could be improved, though I don't think of much. I'm unsure how widespread the adoption for K2-Series alone is. Looking at the base Palo Alto capabilities, they are going in the right direction. K2 specifically about its efficacy with all these 5G protocols, the GPRS tunneling protocol performed without many hiccups during testing. With AI, if there is a Precision AI bundle that you're planning on exploring, then that definitely needs a significant uplift because currently it doesn't work for all the known models. There are many false positives that need to be addressed. While it's still ahead of its competitors, on the AI security side, there is quite a room for improvement.
Zaid Farooqui - PeerSpot reviewer
CIO at Indus Motor Company
Enhanced threat detection with integrated security features and good support
We are using application firewalling, WAF, and SD-WAN. The capabilities are mostly within the box. For example, you will get web application firewall WAF as part and parcel of this. SD-WAN is also bundled. It integrates with their SIEM and SOAR solutions very nicely. Lastly, the pricing point is very cost-efficient as well.

Quotes from Members

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

Pros

"The most valuable feature is the bundled subscription, which is IPS, TV and web filtering."
"Fortinet FortiGate is a stable solution."
"The ease of use and the user-friendly interface are the beauty of this firewall."
"Routing and reporting are two areas where the product has an added advantage compared to any other product."
"The combined license for the network, the next-generation firewall, and the integration with SD-WAN for all branches are what I consider to be the best features. It's effective for multi-branch customers."
"The best feature of Fortinet FortiGate is the IPS or IDS implementation."
"Fortinet FortiGate is stable; I am told that Fortinet FortiGate is one of the best solutions available, and I believe it."
"I have found the decryption of Fortinet FortiGate IPS very good. It's called SSL deep inspection, it's working very well. This is how you decrypt access and traffic, and it is through the IPS antivirus center. Additionally, the UI is user-friendly."
"This is a product that I would recommend."
"Palo Alto Networks K2-Series is very stable."
"Overall product rating: Nine out of ten."
"The solution is reliable and scales well."
"Palo Alto has better and finer controls than, say, Cisco or Check Point."
"The application ID on the Palo Alto Networks K2-Series is able to understand the application traffic, and WildFire is also good."
"Palo Alto's App-ID is what differentiates it from other competitors."
"The most valuable feature of Palo Alto Networks K2-Series is the performance which is above their competitors. The throughput they have delivered is good. When we used other solutions they failed the deployment when we were using different rules. They have a theory perform performance light and performance degradation. However, Palo Alto Networks K2-Series never fails in that scenario."
"The solution is quite safe and good, and furthermore, it is very good for different environments."
"Sangfor has the best capabilities for securing connections, securing web browsers, securing servers, and general threat protection."
"It is a stable solution."
"The most valuable feature of Sangfor NGAF is its integration."
"The VPN connectivity feature is really nice."
"The top functionality is the reporting feature."
"Sangfor is a good solution that provides a WAF and firewall solution; most other vendors, like Sophos and Fortinet and Cisco, only provide one solution, and that's a valuable feature of Sangfor."
"The price versus value is good because the solution is less expensive than Sophos, Fortinet, or SonicWall."
 

Cons

"I believe there is room for improvement in machine learning and AI in Fortinet FortiGate. I would like to see more automation regarding AI and machine learning in Fortinet FortiGate."
"The things we require are already sorted out, so there isn't any scope for improvement as far as our requirements go. However, its price can be better."
"It should be more stable."
"It is very expensive, and their support is not very good. I hope that their technical support will be better in the future."
"The big license options have web filtering, IDS, and a lot of other things, but it's not like they are all good."
"Currently, without the additional reporting module, we only have access to basic reporting."
"I find the management console not very straightforward, so that's an area where Fortinet FortiGate can improve. They should simplify it and make it more user-friendly."
"The tool is expensive for small businesses, making it an area where the tool can improve the product by making it available at a cheaper rate."
"The technical support, and how they provide it to the client, needs to be improved."
"The URL Filtering module needs to have more categories added to it."
"If we have issues, they take anywhere from two days to a week to respond. I even wrote to their CEO because there was no response. When it comes to support, this is the worst company."
"It is recommended that the Palo Alto Networks K2-Series be implemented step by step for the Panorama. Sometimes we can't overwrite the configurations because it fails."
"We had some issues with upgrading in the past. They could make the process easier."
"Palo Alto Networks K2-Series is an expensive solution, the price could be reduced."
"Because we are using the hardware, we are not able to scale. On the VM, it is scalable, but we have got stuck on some areas."
"I cannot think of anything specific to improve at the moment."
"The product must provide more IPS features."
"An area for improvement would be the number of ports defined on the box. In the next release, I would like them to develop their provisioning stage of enrolling end devices."
"We have deployed many firewalls and have faced two or three faulty devices that we have to replace over a year because their power supply was faulty."
"They need to improve their research team and they need to study their data to analyze it and build the product."
"They need to increase the number of ports in the firewall."
"Sangfor need greater exposer in the market because the market is mainly saturated by Fortinet. The user experience of Fortinet is quite different compared to NGAF. If we want to switch our users from Fortinet to NGAF, we have to convince them that the user experience will be much easier once once they start to use it."
"Sangfor could improve by providing better real-time reporting, as the current reports don't offer the level of detail we need, especially for runtime insights."
"The support for YouTube or the Internet is not enough."
 

Pricing and Cost Advice

"Licensing is usually on a three-year period."
"The product is expensive."
"It has been two years. I don't remember the actual price, but it was affordable. We buy the boxes and then use the license for three years."
"If the customer is looking for SD-WAN, it comes free with FortiGate."
"I rate the price of Fortinet FortiGate SWG a seven and a half out of ten since it is not a cheap solution, though I feel it is a good product for the money one pays."
"The price is really low. It's cheap in comparison to the cost of Cisco or CheckPoint, for example."
"If you compare the price of Fortinet FortiGate IPS to other firewalls, Check Point is priced very high followed by Palo Alto and Sophos. Fortinet FortiGate IPS price is more reasonable."
"Fortinet is reasonable in pricing and licensing. Overall, FortiGate is affordable. The licensing fee can be a little high, depending on the budget for your project."
"Products by the leader in the field are justifiably a bit more expensive compared to other vendors."
"This solution is expensive compared to other, similar products."
"This product is designed for large companies. The price would not be suitable for a small or medium size company."
"We are on an annual license to use Palo Alto Networks K2-Series."
"It is an expensive solution."
"The pricing is expensive."
"The overall price of Palo Alto Networks K2-Series could be reduced."
"Pricing is a sensitive issue because the cost is high in this market."
"We purchased one year technical support and return to factory support, and we also purchased one-year technical support services. So those were additional."
"If you know you have around 200+ computer users on your network, then the Sangfor NGAF 5200-F-I model would be the minimum recommended model for that amount of users. This model includes modules for packet filtering, deep packet inspection, malware scanning, DSCP filtration, and many other features."
"I rate the product price as one on a scale of one to ten, where one is low price and ten is high price."
"Sangfor NGAF price is reasonable and there is an annual license. However, the maintenance cost can be a bit high."
"The price could be more competitive."
"The pricing is reasonable."
"The solution has a TCO that is 32% to 50% less than Sophos, Fortinet, and SonicWall."
"Sangfor NGAF is a cheaply priced product, especially if I consider the previous product that was used in my company."
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Top Industries

By visitors reading reviews
Comms Service Provider
10%
Computer Software Company
9%
Manufacturing Company
9%
Financial Services Firm
7%
Performing Arts
15%
Construction Company
15%
Financial Services Firm
12%
Marketing Services Firm
9%
Financial Services Firm
11%
Manufacturing Company
11%
Comms Service Provider
10%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business369
Midsize Enterprise139
Large Enterprise195
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise7
Large Enterprise13
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise10
Large Enterprise10
 

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 is your experience regarding pricing and costs for Palo Alto Networks K2-Series?
The pricing for the Palo Alto Networks K2-Series solution is affordable and there are no complaints about the licensing.
What needs improvement with Palo Alto Networks K2-Series?
Palo Alto Networks K2-Series could be improved, though I don't think of much. I'm unsure how widespread the adoption ...
What is your experience regarding pricing and costs for Sangfor NGAF?
The licensing cost is quite high compared to other available firewalls in the market.
What needs improvement with Sangfor NGAF?
The cost of licensing is very high compared to other firewalls available here. There should be improvements in hardwa...
What is your primary use case for Sangfor NGAF?
We are hosting applications over the platform, including websites and NAT traffic from our side. Because it's deploye...
 

Also Known As

Fortinet FortiGate Next-Generation Firewall
No data available
Sangfor NGAF Firewall Platform
 

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
State of North Dakota, SEGA, Alameda County Office of Education, Temple University, VERGE, CAME
The Ministry of Science, Technology, and Innovation (Indonesia), Lawson, Inc. (Philippines), Universiti Sultan Zainal Abidin (Indonesia), TEK Automotive (Italy), etc.
Find out what your peers are saying about Palo Alto Networks K2-Series vs. Sangfor NGAF and other solutions. Updated: June 2026.
902,588 professionals have used our research since 2012.