Choosing the best zero trust network appliance for SMBs involves balancing performance, ease of management, and cost. For 2026, the market offers compelling options like the SonicWall TZ570 Gen7, which delivers high throughput and advanced threat protection, and the Sophos XGS 88 (Gen2), known for its robust SD-WAN features. However, each presents tradeoffs: high-end models often require separate security subscriptions, while more affordable options might lack some advanced features. Here, I’ll compare the leading appliances and highlight what makes each a strong fit for different SMB needs.
Get business pricing on networking and server gear
- Business-only prices and quantity discounts
- Tax-exempt purchasing
- Multiple users, one account, clear invoices
Key Takeaways
- The SonicWall TZ570 offers high throughput and advanced threat protection but lacks bundled security services.
- The SonicWall TZ680 provides the highest performance but is sold without a security subscription, increasing total cost.
- Sophos XGS 88 is ideal for small offices needing SD-WAN and high performance but requires subscription-based security features.
- The SonicWall TZ270W combines wired and wireless security in a compact form, suitable for small offices but with limited scalability.
- The SonicWall TZ570W adds wireless capabilities with high multi-gigabit throughput, best for offices prioritizing both wired and wireless security.
| SonicWall TZ570 Gen7 Firewall |  | Best Overall for High Performance and Advanced Security | Model: TZ570 | Interfaces: 10 GbE/Multi-Gig | Firewall Throughput: up to 4 Gbps | VIEW LATEST PRICE | See Our Full Breakdown |
| SonicWall TZ680 5 Gbps Next-Gen Firewall Appliance, Hardware Only – High-End SMB |  | Best for High-Throughput SMB Security | Performance: Up to 5 Gbps | Threat Prevention Throughput: 2.5 Gbps | VPN Throughput: 2.5 Gbps | VIEW LATEST PRICE | See Our Full Breakdown |
| Sophos XGS 88 (Gen2) Network Security Appliance |  | Best for SD-WAN and Small Office Reliability | Model: XGS 88 (Gen2) | Ports: 4 x 2.5 GE | Firewall Throughput: up to 9.9 Gbps | VIEW LATEST PRICE | See Our Full Breakdown |
| SonicWall TZ270W Wireless Gen7 Firewall |  | Best for Small Offices Needing Wired and Wireless Security | Firewall Speed: 2 Gbps | Wireless Radios: 2 | Wi-Fi Generation: Wi-Fi 5 | VIEW LATEST PRICE | See Our Full Breakdown |
| SonicWall TZ570W Wireless Gen7 Firewall |  | Best for Wireless-Integrated SMB Security | Model: TZ570W | Wireless: 802.11ac Wave 2 | Throughput: 3.0 Gbps | VIEW LATEST PRICE | See Our Full Breakdown |
| zero trust network appliance for SMB | Model |
|---|---|
| SonicWall TZ570 Gen7 Firewall | TZ570 |
| SonicWall TZ680 5 Gbps Next-Ge | — |
| Sophos XGS 88 | XGS 88 (Gen2) |
| SonicWall TZ270W Wireless Gen7 | — |
| SonicWall TZ570W Wireless Gen7 | TZ570W |
More Details on Our Top Picks
SonicWall TZ570 Gen7 Firewall
The SonicWall TZ570 Gen7 stands out for its high firewall throughput of up to 4 Gbps, making it suitable for demanding SMB environments and branch offices. Its advanced threat protection features like RTDMI and DPI-SSL add a robust layer of security, supporting zero trust principles such as micro-segmentation and secure remote access. Compared with the TZ680, it offers slightly less throughput but at a more accessible price point, especially since it lacks a bundled security subscription. Its complex setup may challenge beginners, but for those who prioritize performance and security integration, it’s a compelling choice. It’s ideal for SMBs with high security demands but requires careful planning for deployment.
Pros:- High firewall throughput suitable for demanding environments
- Advanced threat prevention including sandboxing
- Supports secure SD-WAN and VPN for remote work
- Centralized management for policy control
Cons:- No included service subscription; additional costs apply
- Potentially complex to configure for beginners
- Limited to hardware without bundled services
Best for: SMBs needing scalable, high-performance security with centralized management
Not ideal for: Small offices seeking an out-of-the-box simple setup without complex configuration
- Model:TZ570
- Interfaces:10 GbE/Multi-Gig
- Firewall Throughput:up to 4 Gbps
- Concurrent Connections:1.25 million
- Threat Protection:RTDMI, DPI-SSL, IPS, Sandbox
- Features:VLAN, SD-WAN, high-performance VPN
Our verdict“A top-tier appliance that balances performance and security, best suited for SMBs with technical resources.”
SonicWall TZ680 5 Gbps Next-Gen Firewall Appliance, Hardware Only – High-End SMB
The SonicWall TZ680 is designed for SMBs needing top-tier performance, offering up to 5 Gbps inspection speeds. Its multiple high-speed ports and support for secure SD-WAN, VPN, and Zero-Trust Network Access make it a flexible core security appliance. However, it’s sold without a security service subscription, meaning you’ll need to budget extra for updates and threat prevention features. This makes it less suitable for SMBs looking for a plug-and-play solution and more appropriate for those with existing security infrastructure or dedicated IT staff. It’s an excellent choice for organizations demanding maximum throughput and security customization.
Pros:- Exceptional throughput performance for demanding SMBs
- Multiple high-speed connectivity options
- Supports advanced security and VPN features
Cons:- Hardware sold without security service subscription
- Additional purchase needed for full security functionality
- No included firmware updates or support
Best for: SMBs requiring high throughput and flexible security deployment
Not ideal for: Small offices with limited IT support or tight budgets for additional subscriptions
- Performance:Up to 5 Gbps
- Threat Prevention Throughput:2.5 Gbps
- VPN Throughput:2.5 Gbps
- Connectivity:8x1GbE, 2x5G SFP+, 2x10G SFP
- Form Factor:Desktop
- Security Features:IPS, anti-malware, TLS/SSL decryption
Our verdict“A high-performance appliance suitable for SMBs with technical resources and high throughput needs, but costs increase with optional security services.”
Sophos XGS 88 (Gen2) Network Security Appliance
The Sophos XGS 88 (Gen2) is tailored for small offices needing high performance with SD-WAN capabilities. It delivers a firewall throughput of up to 9.9 Gbps, making it suitable for future growth. Its integrated SD-WAN and VPN support promote resilient, secure connectivity, aligning well with zero trust principles. However, full security features require a subscription, adding ongoing costs. Its hardware is purpose-built for reliability, but the limited port options may restrict scalability in larger networks. It’s best for SMBs prioritizing high throughput and SD-WAN features over extensive port count or immediate security subscriptions.
Pros:- High firewall throughput for small offices
- Supports SD-WAN for resilient, flexible connectivity
- Secure VPN capabilities
Cons:- Hardware only; security features require subscription
- Limited port options for larger networks
- Subscription costs for full security features
Best for: Small offices seeking high performance with integrated SD-WAN and reliable hardware
Not ideal for: Larger SMBs with extensive port or hardware expansion needs
- Model:XGS 88 (Gen2)
- Ports:4 x 2.5 GE
- Firewall Throughput:up to 9.9 Gbps
- Features:Threat Protection, SD-WAN, VPN
Our verdict“A powerful, reliable appliance for SMBs wanting high throughput and SD-WAN; best paired with existing security services.”
SonicWall TZ270W Wireless Gen7 Firewall
The SonicWall TZ270W combines high-speed wired and wireless security in a compact form factor, making it ideal for small offices or clinics. It offers up to 2 Gbps firewall speed, integrated dual-band Wi-Fi 5, and layered threat prevention—great for environments that need both reliable wired and wireless connections. However, it’s not designed for large networks, and the absence of a bundled service subscription could lead to additional costs for full security features. Its ease of deployment makes it suitable for small teams but less so for larger, more complex setups.
Pros:- Compact, combined wired and wireless security
- High-speed gigabit performance
- Layered threat protection including sandboxing
Cons:- No included service subscription; additional costs likely
- Limited scalability for larger networks
- Requires technical knowledge for setup
Best for: Small offices or clinics requiring combined wired and wireless security
Not ideal for: Larger SMBs or those needing extensive port capacity
- Firewall Speed:2 Gbps
- Wireless Radios:2
- Wi-Fi Generation:Wi-Fi 5
- Number of Ports:8
- Coverage:Up to 16 access points
Our verdict“A versatile, space-saving appliance for small offices seeking both wired and wireless security in one device.”
SonicWall TZ570W Wireless Gen7 Firewall
The SonicWall TZ570W extends the wired TZ570’s high performance with integrated 802.11ac Wave 2 wireless, supporting high-speed connectivity and PoE for powered devices. It offers up to 3 Gbps throughput, making it suitable for offices that need robust wireless coverage alongside security features like SD-WAN and threat protection. Despite its strengths, it shares the same limitation of requiring separate security subscriptions and may be complex for small offices without dedicated IT support. It’s a good fit when wireless connectivity is a priority alongside traditional wired security.
Pros:- High multi-gigabit wireless performance
- Integrated wireless and wired security
- Advanced threat protection features
Cons:- No included security subscription
- Potential setup complexity in small offices
- Additional costs for full feature access
Best for: SMBs needing high-speed wireless with security and SD-WAN features
Not ideal for: Small offices with minimal wireless infrastructure or tight budgets
- Model:TZ570W
- Wireless:802.11ac Wave 2
- Throughput:3.0 Gbps
- PoE:Yes
- Concurrent Connections:1.25 million
Our verdict“Ideal for SMBs prioritizing high-speed wireless and wired security in one appliance, with some setup complexity and extra costs.”
How We Picked
My selection process focused on appliances explicitly designed for SMB environments, emphasizing performance, ease of management, scalability, and security. I compared hardware specifications, throughput, and feature sets, especially how they support zero trust principles like micro-segmentation, secure access, and threat prevention. Cost considerations, including whether security subscriptions are bundled, also played a significant role. Ultimately, these products represent a spectrum from high-performance, enterprise-ready appliances to compact, easy-to-deploy solutions suitable for small offices.
| zero trust network appliance for SMB | Model |
|---|---|
| SonicWall TZ570 Gen7 Firewall | TZ570 |
| SonicWall TZ680 5 Gbps Next-Ge | — |
| Sophos XGS 88 | XGS 88 (Gen2) |
| SonicWall TZ270W Wireless Gen7 | — |
| SonicWall TZ570W Wireless Gen7 | TZ570W |
Factors to Consider When Choosing Best Zero Trust Network Appliance For SMB
Choosing the right zero trust network appliance for SMBs depends on your specific security needs, network size, and budget. The key considerations include throughput capacity to handle your traffic, ease of management for your team, and whether you need integrated wireless or SD-WAN features. The appliances reviewed offer different strengths, from high-end performance to compact, all-in-one solutions. Understanding these factors will help you identify which appliance aligns with your business goals and technical capabilities.
Performance and Throughput
Look for appliances with sufficient firewall throughput to support your current and future network demands. High throughput ensures your security measures won’t bottleneck your operations, especially if your organization relies on cloud services or remote work. However, higher performance often comes with higher costs and more complex setup requirements. Balance your needs with your IT capacity to choose an appliance that provides enough speed without overpaying for unused capacity.
Security Features and Subscriptions
Many appliances come without bundled security services, requiring additional subscriptions for threat prevention, sandboxing, or advanced filtering. Decide whether your SMB has the technical resources to manage these subscriptions or prefers an all-in-one package. Appliances like the SonicWall TZ570 and TZ570W include robust hardware but may need extra investments in security licenses, which can significantly impact total cost over time.
Ease of Deployment and Management
For small teams without dedicated IT staff, choosing an appliance with simple setup and cloud or centralized management can reduce administrative overhead. Devices like the Sophos XGS 88 are designed for reliable operation with minimal fuss, while others like the SonicWall TZ680 or TZ570W may require more technical expertise. Consider your team’s comfort level with network configuration when selecting a model.
Wireless and SD-WAN Capabilities
If your SMB relies heavily on wireless or needs resilient connectivity through SD-WAN, prioritize appliances offering integrated wireless modules or SD-WAN support. Devices like the SonicWall TZ270W and TZ570W combine wired and wireless security, streamlining deployment. However, these added features might come with higher costs and setup complexity, so evaluate whether they align with your operational priorities.
Frequently Asked Questions
What is zero trust security in network appliances?
Zero trust security in network appliances means verifying every access request regardless of location, segmenting the network into micro-perimeters, and continuously monitoring for threats. This approach minimizes the risk of unauthorized access, even from within the network, by applying strict access controls and threat prevention measures across all devices and users.
Should I buy an appliance with built-in wireless capabilities?
If your small office or clinic relies on wireless connectivity, choosing an appliance with integrated Wi-Fi simplifies deployment and management. Wireless-capable appliances like the SonicWall TZ270W and TZ570W reduce hardware clutter and support secure, high-speed wireless connections. However, ensure your network’s size and coverage needs are compatible with the device’s wireless range and capacity.
Is it better to buy a hardware appliance or a cloud-managed solution?
Hardware appliances offer dedicated security and often higher performance, suitable for SMBs with technical expertise. Cloud-managed solutions provide easier management and scalability, especially for small teams without dedicated IT staff. Your choice depends on your technical comfort, scalability needs, and whether you prefer managing security on-premises or via a cloud platform.
How important is throughput capacity for SMB appliances?
Throughput capacity is critical to ensure your security appliances do not bottleneck network traffic, especially if your organization uses cloud services or remote access extensively. While higher throughput provides headroom for growth, it often comes with increased cost and complexity. Matching your current bandwidth needs with future expansion plans helps select a practical, cost-effective appliance.
Are subscriptions necessary for full security on SMB appliances?
Many appliances require subscriptions for advanced threat protection, sandboxing, and filtering features. These ongoing costs are essential for maintaining the appliance’s full security capabilities, especially under zero trust principles. When evaluating devices, consider whether your SMB has the resources to manage these subscriptions or prefers a package with included security services.
Conclusion
For SMBs with strong internal IT resources and high throughput demands, the SonicWall TZ680 offers excellent performance, albeit at a higher total cost due to subscriptions. Smaller offices or clinics needing a compact, easy-to-manage solution will find the SonicWall TZ270W or SonicWall TZ570W to be practical choices, especially when integrated wireless is a priority. For those seeking a balance of performance and SD-WAN features, the Sophos XGS 88 (Gen2) provides a reliable, high-performance platform, though with added subscription costs. Ultimately, your decision should align with your network size, security needs, and technical capabilities, ensuring you get a zero trust appliance that fits your business environment perfectly.
Evergreen bestsellers Picks
bestsellers
As an affiliate, we earn on qualifying purchases.
