USG FLEX H series provides secure, fast protection with ground-breaking high performance for Virtual Private Networks (VPN) and Unified Threat Management (UTM), a multi-layered approach to protecting the Firewall, the network infrastructure and connected users by leveraging Zyxel’s high-performance hardware and state-of-the-art AI Security Cloud architecture.

Ultra High Performance
Ultra-high Performance powered by our next-generation multi-core hardware and Fastpath technology to create ultra-high efficiency. The USG FLEX H series can boost performance by up to 3x, optimizing utilization of its processors and allowing Zyxel to deliver superior performance to satisfy the needs required by demanding and high-speed networks.

Port Flexibility, Multi-G and PoE+
With 2.5 Gbps and 10 Gbps Port Speed options, The USG FLEX H also features software-defined ports, allowing you true flexibility in the configuration and tailoring of each USG FLEX H as required (WAN or LAN).

The USG FLEX H offers up to 2 x 30W PoE+ integrated ports*1 to help reduce complexity by simplifying installations and reduce install costs by allowing you to power devices like 5G Routers, latest WiFi, or appliances like VoIP Phones directly from the USG FLEX H itself.

Hassle free network management with nebula
Utilizing nebula*2, Zyxel’s centralised cloud management platform you can configure and deploy network and security devices centrally (coming soon).

You can manage multiple devices and bring the information from them together, combining it to create a more effective defensive ring around the network.

AI-powered cloud cybersecurity
Network security constantly evolves to meet the demands of an ever-changing working environment. Block malicious threats and restrict inappropriate user behaviours. The USG FLEX H series leverages AI-powered cloud intelligence to operate multi-layered protection such as sandboxing, anti-malware, DNS/IP/URL filtering, IPS, and application patrol over your premises.

Our new Fast and Powerful uOS
The USG FLEX H series introduces our latest powerful uOS (Operating System). It is designed to increase security, minimize system response time, apply configuration changes instantly and optimize configuration and security policy management with its new intuitive UX (User Experience) design.

Ports & interfaces
Connectivity technology	Wired
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1
Ethernet LAN (RJ-45) ports	5
Ethernet LAN data rates	100,1000 Mbit/s
Console port	RJ-45
Weight & dimensions
Width	216 mm
Depth	143 mm
Height	33 mm
Weight	1.02 kg
Power
Input current	2 A
DC input voltage	12 V
Power consumption (max)	8.86 W
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-30 - 70 °C
Operating relative humidity (H-H)	10 - 90%
Storage relative humidity (H-H)	10 - 90%
Network
VPN tunnels quantity	20
Number of VLANs	8
Data transmission
Firewall throughput	2000 Mpps
IPS/IDS throughput	1000 Mbit/s
Packaging data
Package width	278 mm
Package height	189 mm
Package depth	99 mm
Package weight	1.27 kg
Performance
Heat dissipation	32.42 BTU/h