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Zyxel USG Flex 100 hardware firewall 0.9 Gbit/s

Zyxel USG Flex 100, 0.9 Gbit/s, 0.27 Gbit/s, 42.65 BTU/h, 989810 h, IPSec, SSL/TLS, IKEv2, IPSec, SSL, L2TP/IPSec

Best offerPrice trend

£596.99

Rising
Price trend
Detailed analysis
Price history of Zyxel USG Flex 100 hardware firewall 0.9 Gbit/s over the last 3 months
DatePrice
29 April 2026£568.90
29 April 2026£570.61
1 May 2026£570.79
4 May 2026£596.99
8 May 2026£570.79
1 June 2026£596.99
20 June 2026£596.99
20 June 2026£596.99
29 June 2026£596.99
29 June 2026£596.99
29 June 2026£596.99
7 July 2026£596.99
8 July 2026£596.99
10 July 2026£596.99
10 July 2026£596.99

Compare Zyxel USG Flex 100 hardware firewall 0.9 Gbit/s prices UK

*Date of last price update

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Product Information

Precise Protection. Flexible Subscription.
Introducing the latest USG Series-USG FLEX, delivering higher levels of performance and flexibility! USG FLEX's platform continue its tradition in providing the latest, leading technologies, all while providing a complete suite of security subscription with seamless, scalable gateway connectivity. We want to bring top of the line experience for all business owners!

Higher Precision Detection Uncovers Threats
Zyxel Security Cloud keeps learning from collecting threat information. USG FLEX series supports advanced Anti-Malware with cloud query express mode which expands billions of signatures. The cloud query with high detection rate helps verify the file hash within seconds.

Best Threat
Intelligence Alliance

To ensure your network on getting the best protection, USG FLEX integrates threat intelligence from leading companies and organizations in the cybersecurity field for scaled information about file and real-time threat data. By leveraging a wider malware coverage with multiple-sourced database, this increases the accuracy in threat detection. Web Filtering is also included to safeguard all internet access, especially with CTIRU (Counter-Terrorism Internet Referral Unit) to restrict access to terrorist materials online.

High Assurance
Multi-layered Protection

USG FLEX is designed with multi-layer protection against multiple types of threats from in and out. URL Threat Filter, Anti-Malware, and Intrusion Prevention block external attacks, while Application Patrol and Web Filtering empower you to restrict users' inappropriate application usage or web access, all together safeguarding your network without any unattended gaps.

Flexible
Subscription
for Your Need

USG FLEX security services turn your firewall into a comprehensive security solution. Add Unified Threat Management (UTM) and Hospitality bundled service to get the protection and connectivity that meet your network needs. You can also choose from a single license whenever you need, such as Web Filtering, Anti-Malware, SecuReporter Premium, and more.

Upgrade to Gain
Migrate without Pain

If you still get USG series licenses, now is the time to migrate! USG FLEX provides hassle-free license migration from USG series with auto migration. Upgrade to a whole new 6-in-1 UTM bundle license from your USG existing licenses for more comprehensive protection.

Hardware Firewalls Zyxel

Product

Name
Zyxel USG Flex 100 hardware firewall 0.9 Gbit/s
Brand
Zyxel

Ports & interfaces

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
1
Ethernet LAN (RJ-45) ports
4
Console port
RJ-45
WAN connection
Ethernet (RJ-45)

Network

Number of VPN connections
100
Concurrent SSL/VPN connections (maximum)
30
VPN tunnels quantity
64
Number of VLANs
8

Power

Input current
2 A
Power consumption (max)
12.5 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%

Weight & dimensions

Width
216 mm
Depth
147.3 mm
Height
33 mm
Weight
850 g

Security

Security algorithms
IPSec, SSL/TLS
VPN support
IKEv2, IPSec, SSL, L2TP/IPSec

Management features

URL filtering
Yes

Data transmission

Firewall throughput
0.9 Gbit/s
VPN throughput
0.27 Gbit/s

Other features

Firewall throughput
900 Mbit/s
VPN throughput
270 Mbit/s

Performance

Heat dissipation
42.65 BTU/h
Mean time between failures (MTBF)
989810 h

Design

Built-in fan
No

Packaging data

Package width
284 mm
Package height
190 mm
Package depth
100 mm
Package weight
1.4 kg

Logistics data

Harmonized System (HS) code
85176990

Certificates

Certification
DCC, CE, C-Tick, LVD

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