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White rectangular network appliance with eight RJ-45 ports on the front panel

ZyXEL

ZyXEL USGFLEX100HBUN firewall appliance with 1 year Gold bundle and Nebula Cloud Pro

SKU CH-45SP-3W5X8 MPN USGFLEX100HBUN

Eight-port network security appliance with 2.93 Gbit/s firewall throughput, 25 VPN tunnels and a one-year Gold plus Nebula Cloud Pro licence bundle

  • Port countTotal Number of Ports: 8 USB: Yes Number of Network (RJ-45)
  • Appliance typeNetwork Security/Firewall Appliance
  • Supported standardsEncryption Standard: SSL DES 3DES AES (256-bit) MD5 SHA-1 SH
  • Data throughputFirewall Throughput: 2.93 Gbit/s VPN Throughput: 93.75 MB/s
  • Power requirementsPower Consumption: 17 W
  • Product typeWired
  • Enterprise-grade firewall throughput of 2.93 Gbit/s handles heavy traffic loads
  • 25 concurrent VPN tunnels secure remote access for distributed teams
  • Multi-layered AI-powered cloud protection blocks malware and filters DNS threats
  • Eight configurable Gigabit ports with PoE+ adapt WAN or LAN as needed
  • Low 17 W power draw reduces operating cost in always-on deployments

ZyXEL USG FLEX 100H Firewall Appliance

The ZyXEL USG FLEX 100H is a wired network security appliance designed for enterprise environments. It delivers firewall throughput of 2.93 Gbit/s alongside VPN throughput of 93.75 MB/s and IPS throughput of 187.50 MB/s. The bundle includes a one-year Gold license package and one-year Nebula Cloud Pro subscription for cloud-based management.

Suited For And Not Suited For

This appliance suits organisations requiring multi-layered threat protection including cloud sandboxing, malware protection, intrusion prevention, application control, DNS security, URL filtering, and SSL inspection. It supports up to 25 concurrent VPN tunnels and 300000 concurrent sessions. Buyers needing wireless connectivity, higher port density, or throughput beyond the stated figures should consider alternative models.

Sustained Load Behaviour

Power consumption is rated at 17 W, reflecting the dedicated system resources engineered to minimise packet processing time and reduce latency during continuous traffic flows. The eight Gigabit Ethernet ports operate at 1000Base-T with encryption standards including AES 256-bit, 3DES, DES, SSL, MD5, SHA-1, and SHA-2 256-bit. A USB port and console cable are included for additional connectivity options.

How it compares

Measured against everything we stock in Firewall Appliances & VPN Gateways, at today’s prices. Recalculated every night.

Price $572.99
Cheaper than about 65% of the 669 comparable items (median $806.99).

Specifications

Product
Brand nameZyXEL
Part numberUSGFLEX100HBUN
Appliance typeNetwork Security/Firewall Appliance
Product typeWired
Performance
Data throughputFirewall Throughput:
2.93 Gbit/s
VPN Throughput:
93.75 MB/s
IPS Throughput:
187.5 MB/s
Connectivity
Supported standardsEncryption Standard:
SSL
DES
3DES
AES (256-bit)
MD5
SHA-1
SHA-2 256-bit
Ethernet Technology:
Gigabit Ethernet
Network Standard:
1000Base-T
Ports & slots
Port countTotal Number of Ports:
8
USB:
Yes
Number of Network (RJ-45) Ports:
8
Power
Power requirementsPower Consumption:
17 W
Size & build
Shipping weight1.04 kg
Package size216 × 142 × 33 mm
In the box
In the boxZyWALL USG FLEX 100H Network Security/Firewall Appliance
Power Adapter
RJ-45 - RS-232 Cable For Console Connection

Questions about this item

What WAN uplink speed can the eight Gigabit RJ-45 ports on this USG FLEX 100H actually utilise?

Each of the eight RJ-45 ports supports 1000Base-T, so the maximum WAN uplink speed is 1 Gbit/s per port.

Will my existing Cat 5e patch cables limit the 2.93 Gbit/s firewall throughput of this appliance?

Cat 5e cable is rated for 1 Gbit/s per link; the 2.93 Gbit/s aggregate throughput is reached by summing traffic across multiple ports, not by exceeding 1 Gbit/s on a single cable.

How can I verify the Gold bundle licenses are active after registering the device in Nebula?

In the Nebula dashboard, open License & Inventory; the Gold bundle shows "Active" with an expiry date one year from registration.

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