Choosing the best firewall appliance for a small business involves balancing security, ease of use, and cost. The FortiGate-60F stands out as the overall best for its robust threat protection and straightforward management. For those on a tighter budget, the TP-Link ER605 V2 offers solid features at a more accessible price point. Meanwhile, the WatchGuard Firebox M390 provides advanced security options for growing businesses. The main challenge lies in selecting a device that offers strong protection without overwhelming your team or draining your budget. Keep reading to see how these options compare and which one might fit your specific needs.
Key Takeaways
- The top-ranking firewalls balance security features with ease of management for small teams.
- Price remains a key factor, but investing in a more capable device can save costs on future upgrades.
- Models with integrated SD-WAN and VPN capabilities offer added flexibility for remote work setups.
- Build quality and vendor support are crucial to ensure longevity and reliable security updates.
- Compact, fanless designs or those with multiple Ethernet ports cater to different office layouts and expansion plans.
| SonicWall TZ470 SecureUpgradePlus 3-Year Essential Edition Firewall |  | Best Overall for Mid-Sized Small Business Security | Model: TZ470 Gen7 | Throughput: 3.5 Gbps | Concurrent Connections: Over 1 million | VIEW LATEST PRICE | See Our Full Breakdown |
| FortiGate-60F Firewall Appliance |  | Best for High-Speed, Small Network Security | Ports: 10 Gigabit Ethernet RJ45 (2 WAN, 1 DMZ, 7 internal) | Throughput: 1.4 Gbps IPS | Threat Protection: High | VIEW LATEST PRICE | See Our Full Breakdown |
| FortiGate 100F Firewall Appliance |  | Best for Large Small Business Networks | Number of GE RJ45 Ports: 22 | Number of SFP Ports: 4 | Number of 10G SFP+ Ports: 2 | VIEW LATEST PRICE | See Our Full Breakdown |
| SonicWall TZ270 TradeUp | 3-Year Advanced Edition | Gen7 Firewall with Threat Protection and SD-WAN |  | Best for Entry-Level Small Business Security | Model: TZ270 | Generation: Gen7 | Protection Service: 3-Year Advanced Protection Service Suite (APSS) | VIEW LATEST PRICE | See Our Full Breakdown |
| TP-Link ER605 V2 Wired Gigabit VPN Router, Up to 3 WAN Ethernet Ports + 1 USB WAN, Omada SDN, Load Balancing, Lightning Protection |  | Best for Multi-WAN Load Balancing and Centralized Management | Product Type: NETWORKING_ROUTER | Number of Ports: 4 (1 WAN, 2 WAN/LAN, 1 USB WAN) | WAN Ports: 3 | VIEW LATEST PRICE | See Our Full Breakdown |
| Firewalla Purple SE Cybersecurity Firewall for Home & Business |  | Best for Integrated Cybersecurity and Easy Setup | Compatibility: Limited IPS to 500 Mbits, works as router or bridge | Protection: Intrusion prevention, malware, hacking, phishing, data theft | Parental Control: Content filtering, activity monitoring, access control | VIEW LATEST PRICE | See Our Full Breakdown |
| WatchGuard Firebox M390 Network Security/Firewall Appliance |  | Best for High-Performance Enterprise-Grade Security | Firewall Throughput: up to 18 Gbps | Additional Security Services Throughput: up to 2.4 Gbps | Compliance Reports: PCI, HIPAA | VIEW LATEST PRICE | See Our Full Breakdown |
| Firewall Appliance 2.5GbE Intel Celeron N5095 Quad Core Fanless Mini PC with 8GB RAM and 128GB NVMe SSD |  | Best for Customizable, High-Speed Networking with Open-Source Flexibility | Processor: Intel Celeron N5095 Quad Core, 2.0GHz up to 2.9GHz | RAM: 8GB DDR4 (expandable to 32GB) | Storage: 128GB NVMe SSD, 1x 2.5-inch SATA HDD/SSD slot | VIEW LATEST PRICE | See Our Full Breakdown |
| Netgate 1100 pfSense+ Security Gateway with VPN, Router, and Firewall |  | Best Compact, Ready-to-Use Firewall with Long-Term Support | Product Type: Network Security Appliance | Processor: Dual-core ARM Cortex-A53 1.2 GHz | Memory: 1 GB RAM | VIEW LATEST PRICE | See Our Full Breakdown |
More Details on Our Top Picks
SonicWall TZ470 SecureUpgradePlus 3-Year Essential Edition Firewall
The SonicWall TZ470 stands out for delivering high firewall throughput of 3.5 Gbps, making it ideal for small to mid-sized businesses with demanding traffic loads. It provides a comprehensive security suite, including sandboxing, intrusion prevention, and application control, which surpasses the basic capabilities of entry-level models like the SonicWall TZ270. However, its setup complexity and higher price tag might be a barrier for smaller shops with limited IT resources. Compared to FortiGate-60F’s advanced SSL inspection, the TZ470 offers a more integrated security bundle, but it may require more technical expertise to fully leverage its features. Overall, this model makes the most sense for businesses seeking robust, enterprise-grade security without sacrificing performance.
Pros:- High firewall throughput suitable for busy networks
- Comprehensive security features including sandboxing
- Supports high-capacity traffic with multi-gigabit interfaces
- Includes a 3-year security service subscription
Cons:- Complex setup requiring technical expertise
- Higher cost may not suit very small businesses
Best for: Mid-sized small businesses with in-house IT support seeking high-performance security.
Not ideal for: Very small startups or businesses with limited technical staff who need simple plug-and-play solutions.
- Model:TZ470 Gen7
- Throughput:3.5 Gbps
- Concurrent Connections:Over 1 million
- Protection Service:3-Year Essential Protection Service Suite (EPSS)
- Interfaces:Multi-gigabit Ethernet ports
- Security Features:Gateway Anti-Virus, Intrusion Prevention, Application Control, Content Filtering, RTDMI sandboxing
Bottom line: This firewall offers enterprise-grade security and performance, perfect for growing small businesses with dedicated IT support.
FortiGate-60F Firewall Appliance
The FortiGate-60F offers 10 Gigabit Ethernet ports, which makes it ideal for small businesses that need high-speed internal and external connectivity. Its 1.4 Gbps IPS throughput and advanced security features, including SSL inspection and SD-WAN, outperform many entry-level firewalls like SonicWall TZ270 in raw performance. Yet, it lacks an included subscription or licensing, meaning additional costs are inevitable for full threat protection. Its relatively complex setup and management may require technical skills, making it less suitable for very small or less experienced teams. Compared to the FortiGate 100F, it’s a more compact and less feature-rich option, but it excels in environments where high-speed connectivity is essential and budget constraints are tighter. It’s a good fit for small offices needing enterprise performance on a budget.
Pros:- 10 Gigabit Ethernet ports for flexible, high-speed connections
- High IPS throughput for robust security
- User-friendly management console with automation features
- Supports advanced SSL inspection and SD-WAN
Cons:- No subscription included, leading to extra costs
- Setup complexity may challenge less experienced users
Best for: Small businesses that prioritize high-speed connectivity with some technical expertise available.
Not ideal for: Small teams lacking network management skills or seeking a fully supported, out-of-the-box solution.
- Ports:10 Gigabit Ethernet RJ45 (2 WAN, 1 DMZ, 7 internal)
- Throughput:1.4 Gbps IPS
- Threat Protection:High
- Includes:Appliance only, no subscription
Bottom line: This appliance is best suited for small offices that need fast, reliable network security with some technical capability.
FortiGate 100F Firewall Appliance
The FortiGate 100F offers extensive connectivity with 22 Gigabit Ethernet ports, 4 SFP, and 2 10G SFP+ ports, making it ideal for complex or rapidly growing small businesses with diverse network needs. Its dual power supplies add to reliability, and AI-powered security features, including threat detection and prevention, provide enterprise-grade protection. Compared to the FortiGate-60F, it supports higher concurrency and more extensive network segmentation, but it comes with a higher price tag and increased complexity. For organizations with demanding security requirements and multiple network segments, the 100F’s high port density and security features justify the investment. It’s less appropriate for very small or simple setups where cost and simplicity are priorities, but for larger small businesses, it delivers scalable, high-level security.
Pros:- Extensive connectivity options for diverse setups
- AI-driven security with threat detection
- Dual power supplies for redundancy
- High concurrent session capacity
Cons:- No included subscription, additional licensing costs
- Setup and management require technical expertise
Best for: Growing small businesses with complex, multi-site, or high-traffic networks needing advanced security and extensive connectivity.
Not ideal for: Very small or single-office setups with minimal network complexity and tight budgets.
- Number of GE RJ45 Ports:22
- Number of SFP Ports:4
- Number of 10G SFP+ Ports:2
- Dual Power Supplies:Yes
- Threat Protection:Malware, exploits, malicious websites
- Concurrent Sessions:Up to 1.5 million
Bottom line: This device is ideal for small businesses with complex networks seeking scalable, enterprise-level security infrastructure.
SonicWall TZ270 TradeUp | 3-Year Advanced Edition | Gen7 Firewall with Threat Protection and SD-WAN
The SonicWall TZ270 strikes a balance between affordability and enterprise-grade security, making it a strong choice for small businesses looking for reliable threat prevention and easy deployment. Its gigabit throughput and multiple connectivity options, including USB ports, provide flexible deployment scenarios. Compared to the more robust TZ470, the TZ270 offers essential security features like Gateway Anti-Virus, IPS, and sandboxing, but it lacks the higher throughput and advanced features suitable for larger or more demanding networks. Its Zero-Touch deployment simplifies setup, but its detailed security features require ongoing subscription costs, which could add up over time. For very small operations or startups with limited IT support, the TZ270 offers a practical, scalable security solution without the complexity of higher-end models.
Pros:- Enterprise-grade security features including sandboxing
- Easy remote setup with Zero-Touch deployment
- Flexible connectivity with multiple Ethernet and USB ports
- Good performance for small business needs
Cons:- Limited features compared to higher-tier models like TZ470
- Subscription required for full threat protection suite
Best for: Small businesses or branch offices needing enterprise-grade security with straightforward deployment.
Not ideal for: Businesses with high traffic volumes or complex network environments requiring more advanced features.
- Model:TZ270
- Generation:Gen7
- Protection Service:3-Year Advanced Protection Service Suite (APSS)
- Connectivity:8 Gigabit Ethernet ports, USB ports
- Threat Prevention:Gateway AV, IPS, Application Control, Content Filtering, Capture ATP sandboxing
- Performance:Gigabit throughput
Bottom line: This firewall offers solid security and ease of deployment for small businesses with moderate network demands.
TP-Link ER605 V2 Wired Gigabit VPN Router, Up to 3 WAN Ethernet Ports + 1 USB WAN, Omada SDN, Load Balancing, Lightning Protection
The TP-Link ER605 V2 stands out for its multi-WAN support, making it ideal for small businesses that need reliable internet redundancy. Unlike the Firewalla Purple SE, which focuses on cybersecurity, the ER605 emphasizes load balancing and connection stability, providing a more robust solution for ongoing internet uptime. While it offers advanced security features like VPN support, its setup can be complex for those unfamiliar with network configurations. Its lack of Wi-Fi means it’s less suitable for businesses requiring integrated wireless, but its wired performance and Omada SDN compatibility make it a strong choice for network administrators seeking centralized control. The USB WAN port adds backup flexibility, though the absence of an integrated Wi-Fi access point limits its standalone use.
Pros:- Supports multiple WAN connections for load balancing and backup
- Advanced security features including VPN support
- Compatible with Omada SDN for centralized control
- Includes USB port for mobile broadband backup
Cons:- Complex setup may challenge beginners
- Limited Wi-Fi capabilities as it lacks an access point
- No built-in Wi-Fi access point
Best for: Small businesses with multiple internet connections seeking load balancing and centralized network management
Not ideal for: Businesses needing integrated Wi-Fi or simple plug-and-play setups without technical expertise
- Product Type:NETWORKING_ROUTER
- Number of Ports:4 (1 WAN, 2 WAN/LAN, 1 USB WAN)
- WAN Ports:3
- USB WAN Port:Yes
- Maximum Data Transfer Rate:4000 Mbps
- Wi-Fi Generation:Wi-Fi 6
- Standards and Protocols:IEEE 802.3, 802.3u, 802.3ab, IEEE 802.3x, IEEE 802.1q
- Coverage:Multi-WAN and VPN supported
- Operating System:Windows
Bottom line: This router suits small businesses that prioritize reliable multi-WAN connectivity and centralized management over built-in Wi-Fi.
Firewalla Purple SE Cybersecurity Firewall for Home & Business
The Firewalla Purple SE is ideal for small businesses seeking comprehensive cybersecurity with minimal fuss. Compared to the WatchGuard Firebox M390, which offers enterprise-grade performance, the Purple SE is more accessible and easier to deploy, making it suitable for small teams without dedicated IT staff. Its security features—intrusion prevention, malware blocking, and content filtering—cover most basic network security needs, but its IPS bandwidth limit of 500 Mbps may be a bottleneck for faster networks. Setup with the Firewalla app simplifies management, and its ability to function as a router or bridge adds flexibility. However, it lacks the raw performance and extensive enterprise controls of higher-end solutions, making it a better fit for smaller or less demanding environments.
Pros:- Comprehensive intrusion prevention and malware protection
- Flexible setup as router or bridge with parental controls
- Network monitoring and behavior analytics
- Easy to set up via mobile app
Cons:- Limited IPS bandwidth to 500 Mbps, unsuitable for high-speed networks
- May require router configuration knowledge for full setup
- Not compatible with all routers
Best for: Small business owners who want strong cybersecurity with simple setup and management
Not ideal for: High-traffic networks or businesses requiring enterprise-level throughput and advanced security features
- Compatibility:Limited IPS to 500 Mbits, works as router or bridge
- Protection:Intrusion prevention, malware, hacking, phishing, data theft
- Parental Control:Content filtering, activity monitoring, access control
- Router Mode:Policy-based routing, smart queue, network health monitoring
- Deep Insight:Behavior analytics, activity visibility, bandwidth analysis
- Included Accessories:Power supply, Cat 6 Ethernet cable, setup instructions
Bottom line: This device fits small businesses prioritizing security and ease of use over maximum network speed or enterprise features.
WatchGuard Firebox M390 Network Security/Firewall Appliance
The WatchGuard Firebox M390 is geared toward businesses with demanding security needs, offering up to 18 Gbps throughput. This makes it overkill for most small enterprises, but it’s a compelling choice for those requiring top-tier protection and compliance reporting, such as PCI or HIPAA regulations. In comparison to the Netgate 1100, which is smaller and more budget-conscious, the M390 provides significantly higher throughput and richer security features, albeit with a more complex setup. Its cloud management via WatchGuard Cloud simplifies remote control, but the high performance can lead to performance dips when all security features are activated. It’s best suited for small but security-critical environments rather than general small business use.
Pros:- High firewall throughput for demanding environments
- Built-in compliance reports for easy regulation adherence
- Cloud management for remote oversight
- Flexible security policy deployment
Cons:- Performance can decline when multiple security services run simultaneously
- Setup complexity may challenge less experienced users
- Higher cost compared to simpler firewalls
Best for: Small businesses with high security demands and compliance requirements
Not ideal for: Budget-conscious, less technical users, or those with minimal security needs
- Firewall Throughput:up to 18 Gbps
- Additional Security Services Throughput:up to 2.4 Gbps
- Compliance Reports:PCI, HIPAA
- Management:WatchGuard Cloud
Bottom line: Ideal for small businesses that need enterprise-grade security performance and compliance support, accepting a more complex setup process.
Firewall Appliance 2.5GbE Intel Celeron N5095 Quad Core Fanless Mini PC with 8GB RAM and 128GB NVMe SSD
The MOGINSOK MGCN50N offers a unique blend of performance and expandability, making it suitable for tech-savvy small businesses or IT professionals. Its fanless design ensures quiet operation, and support for 2.5GbE networking surpasses standard gigabit speeds, ideal for future-proofing. Unlike the Netgate 1100, which is more straightforward but less powerful, this mini PC can run open-source firewall solutions like pfSense or OPNsense, providing extensive customization options. The primary tradeoff involves setup complexity and the need for compatible network devices to leverage its full speed. Limited storage pre-installed also means additional configuration for optimal storage management, but its expandability makes it a versatile platform for evolving network needs.
Pros:- Fanless, silent operation for quiet environments
- Supports 2.5GbE high-speed networking
- Expandable RAM and storage options
- Compatible with multiple professional firewall OS
Cons:- Requires compatible network hardware for full 2.5GbE performance
- Limited pre-installed storage, needing setup for full functionality
- Some drivers may require updates for optimal operation
Best for: IT professionals or small businesses seeking customizable, high-performance firewall solutions
Not ideal for: Small teams without technical expertise or those needing plug-and-play simplicity
- Processor:Intel Celeron N5095 Quad Core, 2.0GHz up to 2.9GHz
- RAM:8GB DDR4 (expandable to 32GB)
- Storage:128GB NVMe SSD, 1x 2.5-inch SATA HDD/SSD slot
- Network:4x Intel i225-V 2.5GbE LAN ports
- Form Factor:Fanless Mini PC
- Support:pfSense, OPNsense, OpenWrt, ESXi, Proxmox
Bottom line: This platform excels for technically inclined users who want a flexible, high-speed firewall with open-source OS options.
Netgate 1100 pfSense+ Security Gateway with VPN, Router, and Firewall
The Netgate 1100 offers a straightforward pfSense+ solution well-suited for small businesses that want a ready-to-go firewall. Its dual-core ARM Cortex-A53 processor and 1 GB RAM make it less powerful than the MOGINSOK mini PC, but it provides reliable routing and security without extensive configuration. Compared with the Firewalla Purple SE, the Netgate 1100 is more dedicated to routing and firewall functions, lacking cybersecurity features like malware detection, but it benefits from pfSense’s extensive community support and lifetime software updates. Its three 1 GbE ports limit scalability, and the lack of Wi-Fi restricts deployment to wired environments. It’s ideal for users comfortable with network setup who need a stable, cost-effective firewall appliance.
Pros:- Pre-loaded with pfSense+ for quick deployment
- Lifetime software updates and support
- Compact and silent design
- Flexible with three 1 GbE ports
Cons:- Limited to 1 GB RAM, restricting heavy workloads
- Requires technical knowledge for optimal setup
- No built-in Wi-Fi or additional ports
Best for: Tech-savvy small business owners seeking a reliable, open-source firewall platform with long-term software support
Not ideal for: Users unfamiliar with network configuration or those needing wireless connectivity directly integrated
- Product Type:Network Security Appliance
- Processor:Dual-core ARM Cortex-A53 1.2 GHz
- Memory:1 GB RAM
- Number of Ports:3
- Port Type:1 GbE Ethernet
- Operating System:pfSense+
- Maximum Data Transfer Rate:940 Mbps
- Voltage:12 Volts
Bottom line: This device provides a dependable, customizable firewall foundation for technically capable users with wired network needs.
How We Picked
These products were selected based on a combination of performance metrics, usability, build quality, and value for small businesses. We prioritized devices that provide comprehensive threat protection, straightforward setup, and manageable maintenance. Devices that integrate multiple features like VPN, SD-WAN, and threat detection were favored, as they support diverse small business needs. Our ranking reflects a balance between cost and capability, ensuring that each option offers a clear advantage for specific scenarios or budgets. We also considered vendor reputation and customer support, critical factors for small businesses that may lack dedicated IT staff.Factors to Consider When Choosing Best Firewall Appliance For Small Business
When choosing a firewall appliance for a small business, it’s essential to evaluate several key factors to make a smart investment. Beyond just security, consider how the device fits into your existing network, your budget, and your future growth plans. Making the right choice can prevent costly upgrades or security breaches down the line. Here are the primary considerations to keep in mind:Performance and Throughput
Understanding your network’s bandwidth needs is vital. A firewall that cannot handle your maximum data flow may create bottlenecks, slowing down your operations. Look for a device with sufficient throughput to support peak usage times, especially if you run cloud-based applications or have multiple remote workers. Overestimating your needs can ensure smoother performance now and room to grow later.
Security Features
Beyond basic filtering, advanced threat detection, VPN support, intrusion prevention, and SD-WAN capabilities add significant value. Small businesses should seek a device with integrated security features that are easy to configure and manage, reducing reliance on external security services. Beware of overly complex setups that might overwhelm your team or require costly training.
Ease of Management
A user-friendly interface and cloud management options can make a big difference, especially for teams without dedicated IT staff. Look for appliances offering centralized dashboards, automated updates, and support resources. A complex setup process can lead to misconfigurations, so simplicity is often a key factor for small businesses.
Expandability and Ports
Assess your current network setup and future needs. Devices with multiple Ethernet ports, SFP slots, or USB WAN options provide flexibility for expansion or redundancy. A compact design may suit small offices well, but larger setups might require more ports or modular options to grow without replacing the entire device.
Cost and Total Value
While initial price is important, consider ongoing costs such as subscription licenses for updates, support, and added features. Sometimes paying more upfront yields better security, easier management, and less downtime, which can be more cost-effective long-term. Balancing features with your budget ensures you don’t overspend on capabilities you won’t use.
Frequently Asked Questions
Can a small business get by with a consumer-grade router as a firewall?
While a consumer-grade router might provide basic protection, it generally lacks the advanced security features, intrusion detection, and VPN capabilities needed for small business environments. These devices are designed for home use and often do not support scalable or customizable security policies. For reliable protection and easier management, investing in a dedicated firewall appliance is advisable, especially as your business grows.
Is it worth paying for a firewall with SD-WAN and VPN features?
Yes, these features add significant value for small businesses with multiple remote sites or remote workers. SD-WAN simplifies managing multiple internet connections and improves resilience, while VPN support secures remote access to your network. If your business relies on cloud services or has a distributed team, these capabilities can streamline operations and strengthen security, making the extra investment worthwhile.
How often should I update my firewall’s firmware?
Regular firmware updates are essential to maintain security and performance. Most vendors release patches to fix vulnerabilities or improve features, often on a monthly or quarterly basis. Setting up automatic updates or scheduling regular checks ensures your device stays protected against new threats without requiring manual intervention, reducing the risk of overlooked security gaps.
What is the difference between a hardware firewall and a software firewall?
A hardware firewall is a dedicated physical device that protects your entire network, often offering higher performance and easier management for small businesses. A software firewall runs on individual devices and provides protection for specific endpoints. For small business networks, a hardware appliance typically offers broader, more reliable security coverage and simpler centralized management.
Should I choose a device with integrated threat detection or add-on security services?
Devices with built-in threat detection provide immediate, integrated security, reducing complexity and potential points of failure. Add-on services can be useful but may require additional subscriptions and configuration. For small businesses, an all-in-one device with comprehensive security features usually offers better value and easier management, especially without dedicated security staff.
