It is a multi-setting tool. We have about 50 users at any point in time. So far, we haven't had any problems.
IT Supervisor at a construction company with 501-1,000 employees
It is very stable with no issues. The firewall has been up for the past 35 days non-stop.
Pros and Cons
- "We use the content filter quite a lot because it's an office setting. During working hours, we like to censor the sites users can visit so it increases productivity. Therefore, the content filter has been good for us."
- "It is very stable with no issues. The firewall's been up for the past 35 days non-stop. It's performed great. It has performed as it should perform."
- "It would be good if Analyzer would be part of the stock license, so even if a layperson is getting the device, he or she doesn't forgets about ordering the Analyzer because it's already there."
What is our primary use case?
How has it helped my organization?
We use the content filter and the SSL VPN:
- The content filter has increased our productivity, especially during working hours. We don't have users spending time on social media during working hours. This means productivity is good.
- Then, when the guys are offsite, they are still able to work without taking any breaks due to the SSL VPN that we use.
What is most valuable?
We use the content filter quite a lot because it's an office setting. During working hours, we like to censor the sites users can visit so it increases productivity. Therefore, the content filter has been good for us.
We have been using the SSL VPN as well, because most of our people do travel. They go for rest and recuperation approximately every six weeks, and they are offsite for about 10 days. More often than not, they need to login, or get onto shared drives, to do some work.
What needs improvement?
SonicWall Analyzer needs a different license. It would be good if Analyzer would be part of the stock license, so even if a layperson is getting the device, he or she doesn't forgets about ordering the Analyzer because it's already there.
This is what we realized that over the last few months. We tried to pull some analysis, and without the Analyzer, we couldn't. Now, we are in the process of buying the additional license. It would have been better embedded from the beginning.
Buyer's Guide
SonicWall TZ
July 2025

Learn what your peers think about SonicWall TZ. Get advice and tips from experienced pros sharing their opinions. Updated: July 2025.
865,384 professionals have used our research since 2012.
For how long have I used the solution?
Three to five years.
What do I think about the stability of the solution?
It is very stable with no issues. The firewall has been up for the past 35 days non-stop. It's performed great. It has performed as it should perform.
What do I think about the scalability of the solution?
Scalability is fine. Our needs do not vary regarding scalability. They are constant. We have about 50 users.
How are customer service and support?
We used it on one occasion. It was quite straight forward. We have a 24/7 support service option. The people who provided support were very efficient.
Which solution did I use previously and why did I switch?
The main company has been using SonicWall for awhile. When we setup our local office in Ghana, we decided to use what was being utilized in the main office for the local office.
How was the initial setup?
The initial setup was very straightforward. The wizard was helpful. It took less than an hour and a half to set it up and have at least the basic functions apparent. The primary set-up took less than two hours, then we were up and running.
What's my experience with pricing, setup cost, and licensing?
SonicWall has authorized distributors in our country. They have about two or three distributors in the country, so it makes it a bit easier. What we do is to request a quotation from these distributors, then we do a value for money analysis and see which one of them is giving us a competitive price.
Getting licenses in our country, Ghana, is not easy. Though, once we have them, adding them is quick (about a day).
Overall, the cost is great.
Which other solutions did I evaluate?
No, because we chose SonicWall because they are on our main company's vendor.
We did decide to go with SonicWall TZ instead of SonicWall NSA, because the SonicWall NSA is bigger and more costly.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Vice President with 11-50 employees
Provides protection with ease of use and flexibility
Pros and Cons
- "The most valuable feature is the protection available, and then ease of use and flexibility."
- "The market seems to be going to a cloud-supported, new generation of firewall products. I think that's probably going to be important to us, the next time around."
What is our primary use case?
It is used as firewalls are normally used and performance has been outstanding. We've been very happy with it.
How has it helped my organization?
It has provided the necessary security, that's what it's there for.
What is most valuable?
I really don't know. I'm not really an IT person, per se, but I would say number one is the protection available, and then ease of use and flexibility. Those would be the top three.
What needs improvement?
I'm not an IT guy. What I will say is that the market seems to be going to a cloud-supported, new generation of firewall products. I think that's probably going to be important to us, the next time around.
For how long have I used the solution?
Less than one year.
What do I think about the stability of the solution?
It has been, to the best of my knowledge, trouble-free.
How are customer service and technical support?
We haven't used tech support, at least, not that I'm aware of. We outsourced all of our IT stuff. They may have used it, but I'm not aware of anything.
Which solution did I use previously and why did I switch?
We've used nothing but SonicWall, up until now.
What other advice do I have?
I would say the most important criterion, when selecting a vendor, is probably the technology utilized.
The one we've got now is five years old. The next generation with the cloud-based signature and operation... I know SonicWall has what they call Capture, which is advanced threat protection type stuff. I think that is probably what we're going to be looking at next.
There are certainly a lot of options out there, and there are a lot of good options. I would say, stick with a name brand, whether it's SonicWall, or Check Point, or Palo Alto, or Cisco - any of those. You need to stick with a big name brand that is at the forefront of things.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Buyer's Guide
SonicWall TZ
July 2025

Learn what your peers think about SonicWall TZ. Get advice and tips from experienced pros sharing their opinions. Updated: July 2025.
865,384 professionals have used our research since 2012.
IT Manager at a retailer with 11-50 employees
Enables us to centralize our servers so they can provide applications to different locations and users.
What is most valuable?
The main features are support and security.
How has it helped my organization?
We have several locations, each with a VPN to a central office. SonicWall provides each location with its own security and provides our company with the ability to centralize our servers so they can provide applications to all the locations and users.
What needs improvement?
The SonicWall is somewhat misunderstood due to its being a lot more complicated to use and set up. A simpler interface would help this issue.
For how long have I used the solution?
We have been using this solution for four years.
What do I think about the stability of the solution?
There were no stability issues.
How are customer service and technical support?
I would give technical support and rating of 8/10. Most of the time support is with foreign staff and can be hard to understand.
Which solution did I use previously and why did I switch?
We have not used a different solution since I have been with the company.
How was the initial setup?
The initial setup was somewhat complex. The interface can be a little hard to get used to and understand.
What's my experience with pricing, setup cost, and licensing?
It is not cheap, but it is probably one of the best secure firewalls. You get what you pay for!
What other advice do I have?
Shop around and make sure you need this level of security. Have lots of time to get to know this device because the rewards are plenty.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Network Manager / Senior Network Engineer at Warnock, Tanner & Associates
Review about Dell SonicWALL TZ
What is most valuable?
Easy to use GUI
VPN (Site-to-Site and Client-to-Site)
Gateway Security
Built in A/V options
Content Filtering
How has it helped my organization?
The site-to-site VPN allows for consistent communication between sites.
Upgrading the OS is easy and they alert you when an upgrade is available.
Content filtering and gateway security has help reduce visiting unwanted websites and attacks.
Logging helps track down issues bandwidth hogs.
What needs improvement?
I would love to see a more detailed logs and filtering.
Wireless versions have week signal strength in comparison to other wireless routers.
For how long have I used the solution?
5 years
What do I think about the stability of the solution?
Absolutely no issues with stability. I try to reboot them every 6 months to a year for good measure, but not because I have to.
What do I think about the scalability of the solution?
Most of the TZ series are for small to mid size office. I would not recommend these for large to enterprise solutions. I do use one currently for a small community school of 250 students with no issues.
How are customer service and technical support?
Customer Service:
I have not worked with their customer service.
Technical Support:Excellent customer service. Very knowledgeable.
Which solution did I use previously and why did I switch?
This has been a great solution and have never bothered trying anything else. I do have a few Cisco ASA installs, however the cost is a bit higher and more complex to implement.
How was the initial setup?
Setup is quite straight forward. There are some deeper more complex setups that can be implemented. These more complex setups can be achieved through their support or a quick google search.
What about the implementation team?
I personally implemented the solution.
What was our ROI?
I like to think that the TZ series has the best bang for the buck. Full of features and options that you need to control security with out breaking the bank. Perfect solution for smaller businesses.
What's my experience with pricing, setup cost, and licensing?
Sonic Wall has an a la carte pricing model. There are many features and options that you may not need or want and therefore no need to pay for them
The only problem with this model is that it does now use a yearly subscription model. Although the router itself may be less expensive than other competitors, you may spend more in subscriptions.
Product support will require a yearly maintenance.
Which other solutions did I evaluate?
I only work with SonicWALL TZ and Cisco ASA.
What other advice do I have?
Sonic Wall OS is very easy to use but still has all the options and features you need to implement your security.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Network Admin at a tech services company with 51-200 employees
Easy to configure.
What is most valuable?
Easy to configure. Good for any organization.
How has it helped my organization?
Always saves time for any implementation. IT guys never have lots of time for R&D in some live box.
What needs improvement?
Content filtering, Load balancing. Bandwidth management.
For how long have I used the solution?
5 years.
What was my experience with deployment of the solution?
Never.
What do I think about the stability of the solution?
Once.
What do I think about the scalability of the solution?
No issues.
How are customer service and technical support?
Customer Service:
7/10
Technical Support:9/10
Which solution did I use previously and why did I switch?
Technical support and it wasn't fit for our organization.
How was the initial setup?
Never, it's so easy.
Which other solutions did I evaluate?
Disclosure: My company has a business relationship with this vendor other than being a customer.
Co Owner and Managing Director at R3INVENTATE GROUP sprl at R3 CyberSecurity
The devices are not as good as others, but the price and business model are attractive.
What is most valuable?
The MSSP partnership program is valuable, but is still too expensive. The devices are not as good as others, but the price and business model are attractive.
How has it helped my organization?
We were focused on traditional service provider model, so if one customer ask us to implement an NGFW, we look for the best solution for the client within the market. After getting in contact with Dell Spain, they proposed us to become MSP partner, so we consider to improve our business model to MSSP model.
What needs improvement?
Support is not as good as should be. An NGFW is supposed to use all the functions, so they must be considered as a must. If you switch on all of them, the system is working under the spected figures...
For how long have I used the solution?
I have done a benchmark for around two months. The 500 is still working after benchmarking. We were looking for a solution for a law firm to be able to communicate in a safer mode.
What was my experience with deployment of the solution?
The figures are not valid when you active all the functionalities. So, an office with only 15 workstations is not able to work with a TZ500, which is supposed to be for up to 40 workstations.
What do I think about the stability of the solution?
They are stable if you are not very demanding, if so, they become unstable.
What do I think about the scalability of the solution?
I don't think they are designed to scale, but I haven't tested it.
How are customer service and technical support?
Customer Service:
6/10 - they are not providing the same support level as before.
Technical Support:I haven't used it, but they have contacted me several times to offer their help.
Which solution did I use previously and why did I switch?
I was looking for the best solution for my customer and I found a better one after implementing SonicWALL. I have been a user, administrator and certified architect of Cisco, Checkpoint, StoneSoft, Fortinet, Sophos, Juniper, and most of them are focused for massive environments, not for SMEs.
How was the initial setup?
It was straightforward, but I had to make a few changes to adapt it. However, every installation is different so, you need to adapt.
What about the implementation team?
It was an in-house implementation.
Which other solutions did I evaluate?
I didn't choose this product.
What other advice do I have?
Consider Sophos solution or maybe Fortinet if you don't need the Sophos extra features.
Disclosure: My company has a business relationship with this vendor other than being a customer. R3CyberSecurity.com is a Dell partner, but we have several partnership agreements with different vendors, so we are independent Managed Security Service Providers.
Network Consulting Engineer with 501-1,000 employees
Its easier to deploy and configure than other options, but the GUI configurations and menus are not intuitive.
What is most valuable?
The affordability.
How has it helped my organization?
It's provided security and a VPN connection.
What needs improvement?
GUI configurations and menus are not intuitive, thus making it difficult to identify dependent configurations completion.
For how long have I used the solution?
I've used it for two years.
What was my experience with deployment of the solution?
In most cases no issues, except a few times when the External Interface would not take a public dynamic IP address.
What do I think about the stability of the solution?
There were some issues, when the firewall would work for six months straight, and then cause VPN slowness, which was resolved right after a reboot. Not many companies allow themselves to have such downtime.
What do I think about the scalability of the solution?
No issues encountered.
How are customer service and technical support?
Customer Service:
Service is great.
Technical Support:Service is great.
Which solution did I use previously and why did I switch?
We previously used a mix of WatchGuard and Cisco firewalls. We switched because Dell offered an affordable, stable, flexible option that is easier to deploy and configure.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Director of Pre-sales, training and development. with 11-50 employees
It's straightforward to setup but reporting needs to be improved.
What is most valuable?
- All feautures related to deep packet inspection (IPS, application control, anti-malware, anti-spyware)
- Single Sign On
- Web content filter
- VPN
How has it helped my organization?
We sell the product, and we have a lot of business for it, and our customers are happy with the solution.
What needs improvement?
- Advance malware analysis (sandbox)
- Reporting
For how long have I used the solution?
I've been using the NSA, E-Class and Supermassive models over the last 12 years.
What was my experience with deployment of the solution?
If it's planned correctly, there will be no problems.
What do I think about the stability of the solution?
Sometimes there are issues.
What do I think about the scalability of the solution?
No issues encountered.
How are customer service and technical support?
Customer Service:
It's good.
Technical Support:It's medium.
Which solution did I use previously and why did I switch?
We previously used CheckPoint and switched because it was expensive.
How was the initial setup?
It was straightforward.
What about the implementation team?
We are a vendor team.
What was our ROI?
It normally comes within eight months for us.
What other advice do I have?
Disclosure: My company has a business relationship with this vendor other than being a customer. We are a Dell Premium Partner.

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Updated: July 2025
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As an update on this topic - there are new versions of SonicOS planned for the middle of this year which are reportedly going to increase the throughput ratings by as much as 50%. The new features essentially unlock the horsepower that the gen6 platform promised through more efficient code, etc.