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Zyxel USG FLEX 100AX hardware firewall 0.9 Gbit/s

Zyxel USG FLEX 100AX, 0.9 Gbit/s, 0.27 Gbit/s, 540 Mbit/s, 55.37 BTU/h, External, 3 dBi

Best offerPrice trend

£629.99

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Price trend
Detailed analysis
Price history of Zyxel USG FLEX 100AX hardware firewall 0.9 Gbit/s over the last 3 months
DatePrice
15 March 2026£632.99
17 April 2026£630.99
27 April 2026£627.99
1 May 2026£629.99

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

*Date of last price update

User Notice: We regularly reference new offers to provide you with the widest selection. However, the displayed results do not reflect all available offers on the market. By default, offers are sorted by price, with the lowest price appearing first.

Product Information

The latest USG FLEX 100AX provides one single management platform on the cloud while expanding and strengthening the protection from firewalls to access points with automatic responses. The newly designed USG FLEX Series is capable of minimizing computing power usage and maximizing firewall performance, delivering up to 5x UTM performance with cloud flexibility and collaborative protection to help connect and secure small or mid-sized business users.

Nebula Together
USG FLEX firewalls, the new addition to the Nebula cloud management family, strongly empowers the full-blown Zyxel Security Matrix in Nebula, further optimizing Nebula with holistic security and protection for SMB business networks. Zyxel provides a centralized provisioning security policy to the remote workforce from Nebula and traffic shaping eliminating the network bottleneck to fuel the best business productivity.

Zero Trust
Networks Security
Remote working is here to stay, USG FLEX series applies the principles of zero trust access. It ensures the same security controls are applied to HQ, branch offices, home, or wherever your remote workers reside. Create access policy with device contextual such as OS version or device category to enforce network segmentation. This reduces the attack surface and prevents threats from spreading.

USG FLEX minimizes risk by adding granular policies and access authentication for the ever-growing needs of a secure workplace. Improve protection across identities, devices, applications, and network. Reduce risk and build trust across your entire digital assets.

High Assurance
Multi-layered Protection
USG FLEX is designed with multi-layer protection against multiple types of threats from in and out. Multiple security services empower you to restrict users' inappropriate application usage or web access. Zyxel offers leading-industry DNS content filter, eliminating blind spots in all encrypted traffic with TLS 1.3 without the need to deploy SSL inspection. All together safeguarding your network without any unattended gaps.

Simplified and Unified Licensing Experience
We know the experience from license purchase and renewals are equally important to our partners. We've optimized the licensing management platform and brought a consistent migration path between on-premise and our cloud platform. We make sure our partners can quickly adapt to a secure environment without the hassle but retaining the flexibility for those who need to practice the same security across networks scenarios.

Hardware Firewalls Zyxel

Product

Name
Zyxel USG FLEX 100AX hardware firewall 0.9 Gbit/s
Brand
Zyxel

Ports & interfaces

Connectivity technology
Wireless
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
1
Ethernet LAN (RJ-45) ports
4
WAN connection
Ethernet (RJ-45)

Network

Wi-Fi
Yes
Wi-Fi standards
802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Number of VLANs
8
Wi-Fi band
Dual-band (2.4 GHz / 5 GHz)

Power

Input current
2.5 A
DC input voltage
12 V
Power consumption (max)
24.3 W

Operational conditions

Operating temperature (T-T)
0 - 40 °C
Storage temperature (T-T)
-40 - 70 °C
Operating relative humidity (H-H)
10 - 90%
Storage relative humidity (H-H)
10 - 90%

Weight & dimensions

Width
216 mm
Depth
149.3 mm
Height
33 mm
Weight
1 kg

Security

VPN support
IKEv2, IPSec, SSL, L2TP/IPSec

Data transmission

Firewall throughput
0.9 Gbit/s
VPN throughput
0.27 Gbit/s
IPS/IDS throughput
540 Mbit/s

Other features

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

Packaging content

Cables included
Power

Performance

Heat dissipation
55.37 BTU/h
Antenna design
External
Antenna gain level (max)
3 dBi
Antennas quantity
2
Detachable antenna(s)
Yes

Packaging data

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

Certificates

Compliance certificates
BSMI, CE, Federal Communications Commission (FCC), Low Voltage Directive (LVD)

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