
Best selling Firewalls from Zyxel
On this page you’ll find a ranking of the best Firewalls from Zyxel. To give you a quick overview, we’ve added the most important product details. This page always stays fresh and updates automatically.
1. Zyxel USGFLEX 200H
Remote work is here to stay. The USG FLEX series applies the principles of Zero Trust access. It ensures that the same security controls are in place at headquarters, branch offices, at home, and anywhere your remote employees are located. Create access policies based on device context, such as operating system version or device category, to enforce network segmentation. This reduces the attack surface and prevents the spread of threats.

2. Zyxel USG FLEX 50
Named after its breakthrough high performance, the USG FLEX H-Series delivers ultra firewall/UTM/VPN throughput with powerful multi-gig interfaces to prepare you for the multi-gig era. Backed by Zyxel's AI Cloud, the USG FLEX H-Series offers the best multi-layered protection of its kind to protect your business premises with seamless security against increasing cyber threats. To make the big even bigger, USG FLEX H with the enhanced SecuExtender makes it easier to extend the same security to all your remote networks, proving that even small and medium business users can enjoy enterprise-grade security in a flash.
Highlights:
- Firewall/VPN/UTM with ultra-high performance
- Customisable Gigabit WAN/LAN Ethernet ports
- The new powerful uOS accelerates system response time through user-friendly design
- SecuExtender VPN utility supports both IKEv2 and SSL VPN
- Highly secure, multi-layered protection against cyber threats
- The comprehensive reputation filter includes IP/URL/DNS checking
- Entry Defence Pack included
Ports:
- 5 console port USB
Power supply:
- External
Data transmission:
- 10/100/1000 MBit/s
Basic features:
- Grey-red, 33 mm, 143 mm, 216 mm, 1.02 kg
Texts:
- Entry Defence Pack includes: Reputation Filter, SecuReporter, Nebula Pro Pack (Priority Support only)
Scope of delivery:
- Zyxel USG FLEX 50H Firewall Entry Bundle
- Power supply
- RJ-45 - RS-232 cable for console connection, 2,000 Mbps throughput (600 Mbps UTM), 5x 1 GBit LAN/WAN ports, 1x USB port.

3. Zyxel USGFLEX 200HP Security Bundle Firewall
Zyxel USGFLEX 200HP Gold Security Bundle Firewall
The USG FLEX H series provides secure and fast protection, quick Virtual Private Network (VPN) functionality, and Unified Threat Management (UTM). This multi-layered approach secures the firewall, network infrastructure, and users. It is based on Zyxel's powerful hardware and cutting-edge AI Security Cloud architecture.
Ultra High Performance
Maximum performance is achieved through next-generation multi-core hardware and Fastpath technology for efficient data processing. The USG FLEX H series triples performance and optimizes CPU usage for demanding networks.
Management with Nebula Cloud Management
Nebula, Zyxel's cloud management platform, enables centralized setup and management of access points, switches, routers, and firewalls. Information from various devices enhances network protection.
AI-Powered Cloud Cybersecurity
Threats are constantly evolving. The AI-based firewall of the USG FLEX H series blocks harmful threats and regulates inappropriate user behavior. AI-based cloud technology ensures comprehensive protection such as sandboxing, anti-malware, DNS/IP/URL filtering, IPS, and application scanning. The USG FLEX H series enhances network security and minimizes response times to threats.
Features:
- Maximum throughput: 5,000 Mbit/s
- SPI firewall throughput: 1,500 Mbit/s
- UTM throughput: 1,200 Mbit/s
- VPN throughput: 6x 1-GbE / 2x 2.5-GbE
- Interfaces:
- 6 x 1-GbE Ethernet
- 2 x 2.5-GbE Ethernet
- 1 x PoE+ Ethernet (802.3at, 30W max.)
- 1 x USB 3.0 port
- 1 x console port (RJ-45)
- Rack mountable
- Fanless
- Dimensions: 27.2 x 18.7 x 3.6 cm
- Weight: 1.52 kg.

4. Zyxel USGFLEX 100HP Security Bundle Firewall 1x Gbit PoE+
The Zyxel USG FLEX 100HP Firewall is a powerful security solution designed specifically for businesses that require reliable and efficient network security. With an impressive firewall throughput of up to 3 Gbit/s and a variety of security features, this device offers comprehensive protection against threats. The firewall is equipped with 8 Ethernet ports, including a PoE+ port that provides a maximum power output of 30 W. Cloud management allows for easy and flexible administration of security policies and settings. Additionally, the device comes with a one-year Security Bundle that includes extra security features and updates. The Zyxel USG FLEX 100HP is ideal for companies seeking a robust and scalable solution to secure their network infrastructure.
- High-performance firewall with a throughput of up to 3 Gbit/s
- Support for VPN throughput of 750 Mbit/s and IPS/IDS throughput of 1500 Mbit/s
- Includes a one-year Security Bundle for enhanced security features
- Fanless design for quiet operation
- Versatile connectivity options with 8x 1-GbE Ethernet ports and 1x PoE+ port.

5. Zyxel USGFLEX 100H Security Bundle Firewall
Zyxel USGFLEX 100H Gold Security Bundle Firewall
The USG FLEX H series ensures secure and fast protection, rapid Virtual Private Network (VPN) functionality, and Unified Threat Management (UTM). This multi-layered approach secures the firewall, network infrastructure, and users. It is based on Zyxel's powerful hardware and cutting-edge AI Security Cloud architecture.
Ultra High Performance
Maximum performance through next-generation multi-core hardware and Fastpath technology for efficient data processing. The USG FLEX H series triples performance and optimizes CPU utilization for demanding networks.
Management with Nebula Cloud Management
Nebula, Zyxel's cloud management platform, enables centralized setup and management of access points, switches, routers, and firewalls. Information from various devices enhances network protection.
AI-Powered Cloud Cybersecurity
Threats are constantly evolving. The AI-based firewall of the USG FLEX H series blocks harmful threats and regulates inappropriate user behavior. AI-based cloud technology ensures comprehensive protection such as sandboxing, anti-malware, DNS/IP/URL filtering, IPS, and application scanning. The USG FLEX H series enhances network security and minimizes response times to threats.
Features:
- Maximum data transfer rate: 3,000 Mbps
- SPI firewall throughput: 750 Mbps
- UTM throughput: 750 Mbps
- VPN throughput: 8x 1-GbE
- Interfaces:
- 8 x 1-GbE Ethernet ports
- 1 x USB 3.0 port
- 1 x console port (RJ-45)
- Rack mountable
- Fanless
- Dimensions: 21.6 x 14.3 x 3.3 cm
- Weight: 1.04 kg.

6. Zyxel USG FLEX 100 v2
Analytics report and insights from the cloud and on-device with a user-friendly interface. Hospitality features with hotspot, AP management, and support for more simultaneous connections. 900 Mbps firewall throughput and 360 Mbps UTM throughput. Reliable access via SSL, IPSec, and L2TP over IPSec VPN, as well as VPN High Availability. Unified security solution with flexible security and network access features for small to medium-sized organizations. Integrated with the Zyxel Security Cloud, providing scaled information on file and real-time threat data.

7. Zyxel Firewall ATP700 with Gold license for 1 year
Zyxel Firewall ATP700 and Gold License for 1 Year, Application Area: Enterprise, Business, Small/Medium Business, Security Features: Sandboxing, Firewall Throughput: 6000 Mbit/s, SFP Ports: 2, RJ-45 Ports: 12, WAN Ports: 0. The ATP series from Zyxel is an Advanced Threat Protection firewall designed for companies with high-security demands. Cloud intelligence elevates network protection to a whole new level, especially against new and unknown threats. The firewalls support not only well-known Zyxel security services such as web and application security, malware blockers, etc., but also sandboxing and botnet filtering. An appealing ATP dashboard provides a quick overview of currently detected threats. With the latest software and hardware, the ATP firewall delivers very high performance, even when all security features are in use. Cloud intelligence receives unknown files or user patterns from requests across all ATP firewalls. It then identifies and archives the inspection results in the cloud threat database. The highest-rated threats are shared with all ATP firewalls, ensuring that they are continuously protected against new unknown threats. With real-time cloud synchronization, cloud intelligence is continuously evolving into a security defense ecosystem. All ATP firewalls are synchronized with cloud intelligence and respond adaptively to every new threat. Sandboxing utilizes an isolated environment in the cloud to analyze unknown files that cannot be identified by existing local security tools such as antivirus.

8. Zyxel USGFLEX 200HP (Device only) Firewall
Zyxel USGFLEX 200HP Firewall
The USG FLEX H series ensures secure and fast protection, quick Virtual Private Network (VPN) functionality, and Unified Threat Management (UTM). This multi-layered approach secures the firewall, network infrastructure, and users. It is based on Zyxel's powerful hardware and cutting-edge AI Security Cloud architecture.
Ultra High Performance
Maximum performance through next-generation multi-core hardware and Fastpath technology for efficient data processing. The USG FLEX H series triples performance and optimizes CPU usage for demanding networks.
Management with Nebula Cloud Management
Nebula, Zyxel's cloud management platform, enables centralized setup and management of access points, switches, routers, and firewalls. Information from various devices enhances network protection.
AI-Powered Cloud Cybersecurity
Threats are constantly evolving. The AI-based firewall of the USG FLEX H series blocks harmful threats and regulates inappropriate user behavior. AI-based cloud technology ensures comprehensive protection such as sandboxing, anti-malware, DNS/IP/URL filtering, IPS, and application scanning. The USG FLEX H series enhances network security and minimizes response times to threats.
Features:
- Maximum throughput: 5,000 Mbit/s
- SPI firewall throughput: 1,500 Mbit/s
- UTM throughput: 1,200 Mbit/s
- VPN throughput: 6x 1-GbE / 2x 2.5-GbE
- Interfaces:
- 6 x 1-GbE Ethernet
- 2 x 2.5-GbE Ethernet
- 1 x PoE+ Ethernet (802.3at, 30W max.)
- 1 x USB 3.0 port
- 1 x console port (RJ-45)
- Rack mountable
- Fanless
- Dimensions: 27.2 x 18.7 x 3.6 cm
- Weight: 1.52 kg.

9. Zyxel USGFLEX 100H
Zyxel USGFLEX 100H Firewall
The USG FLEX H series provides secure and fast protection, quick Virtual Private Network (VPN) functionality, and Unified Threat Management (UTM). This multi-layered approach secures the firewall, network infrastructure, and users. It is based on Zyxel's powerful hardware and cutting-edge AI Security Cloud architecture.
Ultra High Performance
Maximum performance is achieved through next-generation multi-core hardware and Fastpath technology for efficient data processing. The USG FLEX H series triples performance and optimizes CPU usage for demanding networks.
Management with Nebula Cloud Management
Nebula, Zyxel's cloud management platform, enables centralized setup and management of access points, switches, routers, and firewalls. Information from various devices enhances network protection.
AI-Powered Cloud Cybersecurity
Threats are constantly evolving. The AI-based firewall of the USG FLEX H series blocks harmful threats and regulates inappropriate user behavior. AI-based cloud technology ensures comprehensive protection such as sandboxing, anti-malware, DNS/IP/URL filtering, IPS, and application scanning. The USG FLEX H series enhances network security and minimizes response times to threats.
Features:
- Maximum data transfer rate: 3,000 Mbps
- SPI firewall throughput: 750 Mbps
- UTM throughput: 750 Mbps
- VPN throughput: 8x 1-GbE
- Interfaces:
- 8 x 1-GbE Ethernet ports
- 1 x USB 3.0 port
- 1 x console port (RJ-45)
- Rack mountable
- Fanless
- Dimensions: 21.6 x 14.3 x 3.3 cm
- Weight: 1.04 kg.

10. Zyxel USGFLEX 500H
The USG FLEX H-Series offers protection, fast Virtual Private Network (VPN) connections and Unified Threat Management (UTM). Its multi-layered approach protects the firewall, network infrastructure and users. The hardware is based on Zyxel and the AI Security Cloud architecture.
Powerful hardware
The next-generation hardware with multiple cores and Fastpath technology enables efficient data processing. The performance of the USG FLEX H-Series is tripled, optimising CPU usage to meet the demands of the network.
Nebula Cloud Management
With Nebula, Zyxel's cloud management platform, access points, switches, routers and firewalls can be centrally configured and managed. The consolidation of device information provides stronger network protection.
Cloud cyber security with AI
Network threats are constantly evolving, which is why network protection is continuously updated by the AI-powered firewall. It blocks malicious threats and restricts inappropriate user behaviour when needed. The USG FLEX H-Series utilises AI-powered cloud technology for comprehensive protection, including sandboxing, anti-malware, DNS/IP/URL filtering, IPS and enterprise application scanning.
