Zyxel USG FLEX 500H hardware firewall 10 Gbit/s

The Zyxel USG FLEX 500H is a hardware firewall delivering ultra-high performance for VPN and Unified Threat Management (UTM). Built on next-generation multi-core hardware and Fastpath technology, it provides high throughput and efficient processor utilization to meet the demands of high-speed networks. The device supports AI-powered cloud security services and integrates with Zyxel Nebula for centralized cloud management.

Advantages

The USG FLEX 500H increases security performance through optimized multi-core processing and Fastpath acceleration, enabling up to a 3x performance boost for demanding environments. The model offers flexible port configurations with 2.5 Gbps and 10 Gbps options and software-defined ports that can be assigned as WAN or LAN. It includes up to two integrated PoE+ ports (30 W each) to power compatible devices directly. The appliance runs the new uOS operating system with an improved UX for faster configuration changes and reduced system response time.

Suitable for (tasks / use cases)

• High-throughput networks requiring VPN and UTM protection
• Branch offices and small to medium data centers
• Environments needing centralized cloud management via Nebula
• Deployments that require powering devices with PoE+ (e.g., Wi‑Fi APs, VoIP phones)

Key specifications

• Model: Zyxel USG FLEX 500H (USGFLEX500H-EU0101F)
• Firewall throughput: up to 10 Gbit/s
• VPN throughput: up to 2 Gbit/s (supports IKEv2, IPSec, SSL)
• IPS/IDS throughput: 3500 Mbit/s
• Ports: software-defined ports with 2.5 Gbps and 10 Gbps options; 12 RJ-45 Ethernet LAN ports
• PoE+: up to 2 × 30 W integrated ports
• Power consumption: maximum 68 W
• Weight: 1.64 kg
• EAN: 4718937622832

How to use

Install the USG FLEX 500H in the network rack or on a stable surface and connect the WAN and LAN links using the software-defined ports as required. Access the device interface via Nebula cloud management or the local web UI to configure network policies, VPN tunnels (IKEv2/IPSec/SSL), and UTM features such as IPS, anti-malware, DNS/IP/URL filtering and application control. If using PoE+ to power devices, connect compatible endpoints to the PoE ports and verify power and device operation in the management interface.

Recommendations

For optimal performance, enable Fastpath and distribute traffic across the available high-speed ports. Use Nebula for centralized policy deployment and monitor AI cloud security logs regularly to keep threat intelligence up to date. Ensure adequate ventilation given the device's power profile and follow Zyxel guidelines for firmware and signature updates.