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The 8 Best network security appliances of 2025

Are you trying to find network security appliances among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling network security appliances on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 23 hours of research and did 23 network security appliances tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best network security appliances you can buy today

SaleNo. 1
Sonicwall TZ270 Network Security Appliance (02-SSC-2821) | Next-Generation Firewall | Zero-Touch Deployment | 8X 1GbE Ports
  • The latest SonicWall TZ270 series, are the first desktop form factor nextgeneration firewalls (NGFW) with 10 or 5 Gigabit Ethernet interfaces. The series consist of a wide range of products to suit a variety of use cases.
  • Reduce complexity and get the business running without relying on IT personnel with easy onboarding using SonicExpress App and Zero-Touch Deployment, and easy management through a single pane of glass
  • Drive business growth by investing in next-gen appliances with multi-gigabit and advanced security features, to future-proof against the changing network and security landscape
  • SonicWall Advanced Gateway Security Suite keeps your network safe from zero-day attacks, viruses, intrusions, botnets, spyware, Trojans, worms and other malicious attacks. Examine suspicious files at the gateway in a cloud-based multi-layered sandbox for inspection to keep your network safe from unknown threats. As soon as new threats are identified and often before software vendors can patch their software, SonicWall firewalls and Cloud AV database are automatically updated with signatures.
  • Hardware: Operating system: SonicOS 7.0 | Interfaces: 8x1GbE, 2 USB 3.0, 1 Console | Management: Network Security Manager, CLI, SSH, Web UI, GMS, REST APIs | VLAN Interfaces: 64 | Access points supported (maximum): 16
No. 2
Cisco ASA Security Appliance Hands-On Training for Accidental Administrator: Student Exercise Manual
  • Crawley, Don R. (Author)
  • English (Publication Language)
  • 56 Pages - 06/23/2016 (Publication Date) - soundtraining.net press (Publisher)
SaleNo. 3
Sonicwall TZ270W Wireless Network Security Appliance (02-SSC-2823) | Next-Generation Firewall | Zero-Touch Deployment | 8X 1GbE Ports
  • The latest SonicWall TZ270W series, are the first desktop form factor nextgeneration firewalls (NGFW) with 10 or 5 Gigabit Ethernet interfaces. The series consist of a wide range of products to suit a variety of use cases.
  • Reduce complexity and get the business running without relying on IT personnel with easy onboarding using SonicExpress App and Zero-Touch Deployment, and easy management through a single pane of glass
  • Drive business growth by investing in next-gen appliances with multi-gigabit and advanced security features, to future-proof against the changing network and security landscape
  • Ensure seamless communication as stores talk to HQ via easy VPN connectivity which allows IT administrators to create a hub and spoke configuration for the safe transport of data between all locations
  • Hardware: Operating system: SonicOS 7.0 | Interfaces: 8x1GbE, 2 USB 3.0, 1 Console | Management: Network Security Manager, CLI, SSH, Web UI, GMS, REST APIs | VLAN Interfaces: 64 | Access points supported (maximum): 16
SaleNo. 6
Sonicwall TZ670 Network Security Appliance (02-SSC-2837) | Next-Generation Firewall | Zero-Touch Deployment | 8X 1GbE Ports, 2X 10GbE Ports
  • The SonicWall TZ670 is the first desktop-form-factor next-generation firewall (NGFW) with 1 Gigabit Ethernet interfaces.
  • Designed for mid-sized organizations and distributed enterprise with SD-Branch locations, the TZ670 delivers industry-validated security effectiveness with best-in-class price performance.
  • TZ67 NGFWs address the growing trends in web encryption, connected devices and high-speed mobility by delivering a solution that meets the need for automated, realtime breach detection and prevention.
  • The TZ67 is highly scalable, with high port density of 1 ports. It features both in-built and an expandable storage of up to 256GB, that enables various features including logging, reporting, caching, firmware backup and more.
  • Deployment of TZ67 is further simplified by Zero-Touch Deployment, with the ability to simultaneously roll out these devices across multiple locations with minimal IT support.
SaleNo. 7
Sonicwall TZ370 Network Security Appliance (02-SSC-2825) | Next-Generation Firewall | Zero-Touch Deployment | 8X 1GbE Ports
  • The latest SonicWall TZ370 series, are the first desktop form factor nextgeneration firewalls (NGFW) with 10 or 5 Gigabit Ethernet interfaces. The series consist of a wide range of products to suit a variety of use cases.
  • Reduce complexity and get the business running without relying on IT personnel with easy onboarding using SonicExpress App and Zero-Touch Deployment, and easy management through a single pane of glass
  • Drive business growth by investing in next-gen appliances with multi-gigabit and advanced security features, to future-proof against the changing network and security landscape
  • Ensure seamless communication as stores talk to HQ via easy VPN connectivity which allows IT administrators to create a hub and spoke configuration for the safe transport of data between all locations
  • Hardware: Operating system: SonicOS 7.0 | Interfaces: 8x1GbE, 2 USB 3.0, 1 Console | Management: Network Security Manager, CLI, SSH, Web UI, GMS, REST APIs | VLAN Interfaces: 128 | Access points supported (maximum): 16
SaleNo. 8
SonicWall TZ470 Network Security Appliance (02-SSC-2829) Bundled with a SonicWall 3 Year 8x5 Support for TZ470 (02-SSC-6437)
  • The latest SonicWall TZ470 series, are the first desktop form factor nextgeneration firewalls (NGFW) with 10 or 5 Gigabit Ethernet interfaces. The series consist of a wide range of products to suit a variety of use cases.
  • Reduce complexity and get the business running without relying on IT personnel with easy onboarding using SonicExpress App and Zero-Touch Deployment, and easy management through a single pane of glass.
  • Drive business growth by investing in next-gen appliances with multi-gigabit and advanced security features, to future-proof against the changing network and security landscape.
  • SonicWall 8x5 Support provides chat, email, web, and telephone support for technical assistance | Dynamic Support is designed for customers who need continued protection through ongoing firmware updates and advanced technical support
  • Hardware: Operating system: SonicOS 7.0 | Interfaces: 8x1GbE, 2x10GbE, 2 USB 3.0, 1 Console | Management: Network Security Manager, CLI, SSH, Web UI, GMS, REST APIs | VLAN interfaces: 128 | Access points supported (maximum): 36
SaleNo. 9
Sonicwall TZ570 High Availability (02-SSC-5694) | TZ570 HA Unit - Secondary Device for Reliable, Continuous Connection
  • Please note that as this is a High Availability Unit, you cannot use it alone as a primary device. High Availability allows two identical SonicWall appliances running SonicOS to be configured to provide a reliable, continuous connection. One SonicWall device is configured as the Primary unit, and an identical SonicWall device is configured as the Secondary unit. If the Primary SonicWall fails, the secondary SonicWall takes over to secure a reliable connection.
  • Reduce complexity and get the business running without relying on IT personnel with easy onboarding using SonicExpress App and Zero-Touch Deployment, and easy management through a single pane of glass
  • Drive business growth by investing in next-gen appliances with multi-gigabit and advanced security features, to future-proof against the changing network and security landscape
  • High Availability allows two identical SonicWall security appliances running SonicOS Enhanced to be configured to provide a reliable, continuous connection to the public Internet. One SonicWall device is configured as the Primary unit, and an identical SonicWall device is configured as the Backup unit. In the event of the failure of the Primary SonicWall, the Backup SonicWall takes over to secure a reliable connection between the protected network and the Internet.
  • Hardware: Operating system: SonicOS 7. | Interfaces: 8x1GbE, 2x1GbE, 2 USB 3., 1 Console | Management: Network Security Manager, CLI, SSH, Web UI, GMS, REST APIs | VLAN interfaces: 128 | Access points supported (maximum): 32
SaleNo. 10
Sonicwall TZ470 Network Security Appliance (02-SSC-2829) | Next-Generation Firewall | Zero-Touch Deployment | 8X 1GbE Ports, 2X 2.5GbE Ports
  • The latest SonicWall TZ470 series, are the first desktop form factor nextgeneration firewalls (NGFW) with 10 or 5 Gigabit Ethernet interfaces. The series consist of a wide range of products to suit a variety of use cases.
  • Reduce complexity and get the business running without relying on IT personnel with easy onboarding using SonicExpress App and Zero-Touch Deployment, and easy management through a single pane of glass
  • Drive business growth by investing in next-gen appliances with multi-gigabit and advanced security features, to future-proof against the changing network and security landscape
  • Ensure seamless communication as stores talk to HQ via easy VPN connectivity which allows IT administrators to create a hub and spoke configuration for the safe transport of data between all locations
  • Hardware: Operating system: SonicOS 7.0 | Interfaces: 8x1GbE, 2x10GbE, 2 USB 3.0, 1 Console | Management: Network Security Manager, CLI, SSH, Web UI, GMS, REST APIs | VLAN interfaces: 128 | Access points supported (maximum): 32
No. 11
Sonicwall TZ370W Wireless Network Security Appliance (02-SSC-2827) | Next-Generation Firewall | Zero-Touch Deployment | 8X 1GbE Ports
  • The latest SonicWall TZ470 series, are the first desktop form factor nextgeneration firewalls (NGFW) with 1 or 5 Gigabit Ethernet interfaces. The series consist of a wide range of products to suit a variety of use cases.
  • Reduce complexity and get the business running without relying on IT personnel with easy onboarding using SonicExpress App and Zero-Touch Deployment, and easy management through a single pane of glass
  • Drive business growth by investing in next-gen appliances with multi-gigabit and advanced security features, to future-proof against the changing network and security landscape
  • Ensure seamless communication as stores talk to HQ via easy VPN connectivity which allows IT administrators to create a hub and spoke configuration for the safe transport of data between all locations
  • Hardware: Operating system: SonicOS 7. | Interfaces: 8x1GbE, 2x1GbE, 2 USB 3., 1 Console | Management: Network Security Manager, CLI, SSH, Web UI, GMS, REST APIs | VLAN interfaces: 128 | Access points supported (maximum): 32
No. 13
Cisco ASA5508-K9 Network Security/Firewall Appliance (Renewed)
  • Item Package Dimension: 21.899999977662L X 15.399999984292W X 6.899999992962H Inches
  • Item Package Weight - 11.49931158592 Pounds
  • Item Package Quantity - 1
  • Product Type - Networking Router
No. 14
SonicWall TZ370 Network Security Appliance + Rackmount.IT Rackmount Kit RM-SW-T10 (02-SSC-2825 + RM-SW-T10)
  • The latest SonicWall TZ370 series, are the first desktop form factor nextgeneration firewalls (NGFW) with 10 or 5 Gigabit Ethernet interfaces. The series consist of a wide range of products to suit a variety of use cases.
  • Reduce complexity and get the business running without relying on IT personnel with easy onboarding using SonicExpress App and Zero-Touch Deployment, and easy management through a single pane of glass
  • Drive business growth by investing in next-gen appliances with multi-gigabit and advanced security features, to future-proof against the changing network and security landscape
  • Ensure seamless communication as stores talk to HQ via easy VPN connectivity which allows IT administrators to create a hub and spoke configuration for the safe transport of data between all locations
  • Hardware: Operating system: SonicOS 7.0 | Interfaces: 8x1GbE, 2 USB 3.0, 1 Console | Management: Network Security Manager, CLI, SSH, Web UI, GMS, REST APIs | VLAN Interfaces: 128 | Access points supported (maximum): 16
SaleNo. 16
Sonicwall TZ570 Secure Upgrade Plus - 2YR Essential Edition (02-SSC-5662) | TZ570 Network Security Appliance with 2 Year Essential Protection Service Suite | Next-Generation Firewall
  • The SonicWall TZ570 series, available in three models (TZ570, TZ570W, TZ570P) is the first desktop-formfactor next-generation firewall (NGFW) with 5 Gigabit Ethernet interfaces.
  • The TZ570 is designed for mid-sized organizations and distributed enterprise with SD-Branch locations, the TZ570 delivers industry-validated security effectiveness with best-in-class price performance. TZ570 NGFWs address the growing trends in web encryption, connected devices and high-speed mobility by delivering a solution that meets the need for automated, realtime breach detection and prevention.
  • TotalSecure includes: Capture Advanced Threat Protection Service, Gateway Anti-Virus and anti-spyware, Intrusion Prevention Service, Application Control, Content Filtering Service, and 24x7 Support
  • Advanced Protection Service Suite (APSS) includes - Capture Advanced Threat Protection, Gateway Anti-Virus, Anti-Spyware, Intrusion Prevention, Application Firewall Service, Content Filtering Services, Comprehensive Anti-Spam, NSM Essential with Management & 7-Day Reporting and 24x7 Support with firmware.
  • Maintain compliance with security features, and leverage built-in and expandable storage to store logs for audit purposes
SaleNo. 18
Network Security, Firewalls, and VPNs (Issa)
  • Available with the Cloud Labs which provide a hands-on, immersive mock IT infrastructure enabling students to test their skills with realistic security scenarios
  • New Chapter on detailing network topologies
  • The Table of Contents has been fully restructured to offer a more logical sequencing of subject matter
  • Introduces the basics of network security—exploring the details of firewall security and how VPNs operate
  • Increased coverage on device implantation and configuration
  • Discusses firewall configuration and deployment and managing firewall security
  • Stewart, J. Michael (Author)
  • English (Publication Language)
  • 481 Pages - 10/29/2020 (Publication Date) - Jones & Bartlett Learning (Publisher)
SaleNo. 19
NETGEAR Wi-Fi Range Extender EX3700 - Coverage Up to 1000 Sq Ft and 15 Devices with AC750 Dual Band Wireless Signal Booster & Repeater (Up to 750Mbps Speed), and Compact Wall Plug Design
  • EXTENDED WIRELESS COVERAGE: Adds Wi-Fi range coverage up to 1000 sq ft, and connects up to 15 devices such as laptops, smartphones, speakers, IP cameras, tablets, IoT devices, and more..Connectivity protocol:Ethernet,Wi-Fi
  • AC750 WI-FI SPEED: Provides up to 750Mbps performance using dual-band and patented FastLane(TM) technology.
  • UNIVERSAL COMPATIBILITY: Works with any wireless router, gateway, or cable modem with Wi-Fi.
  • WIRED ETHERNET PORT: Simply plug in game consoles, streaming players, or other nearby wired devices using the one 10/100M port for maximum speed.
  • SAFE & SECURE: Supports WEP and WPA/WPA2 wireless security protocols.
  • SIMPLE TO SETUP: Press the WPS button to connect to your router. Use the NETGEAR WiFi Analyzer app for optimal location.
No. 20
Super VPN
  • FEATURES
  • ✔ FREE We offer free servers, 100% free forever!
  • ✔ PRIVACY No logs, surf the web anonymously and privately.
  • ✔ SIMPLE no registration required, just one-click to connect.
  • ✔ UNLIMITED Truly unlimited, no session, bandwidth limitations.
  • ✔ FAST We provide ultra-fast IPLC servers to you.
  • ✔ MULTIPLE PLATFORM SUPPORT Easy to use on Android, iOS, Windows, Linux, and more.
  • Chinese (Publication Language)

How to choose a good network security appliances

Does the idea of finding a fantastic network security appliances make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in network security appliances. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top network security appliances products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top network security appliances on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top network security appliances brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top network security appliances based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the network security appliances were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good network security appliances, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your network security appliances.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting network security appliances for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our network security appliances. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what network security appliances should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on network security appliances.