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ZyXEL USGFLEX100BUN REV2 ZyWALL USG FLEX 100 Network Security Firewall - 5-Port Gigabit Ethernet - 900 Mbps Throughput - AI-Powered Threat Protection

SKU: USGFLEX100BUN REV2
UPC: 760559130244
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MSRP: $533.12
$533.12
$438.99
Save: $94.13 (17.66%)
Warranty Information: Covered by Manufacturer
Condition: New
Width: 21.60 (cm)
Height: 3.30 (cm)
Depth: 14.73 (cm)

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Product Features

Description

Product Overview

The ZyXEL ZyWALL USG FLEX 100 is a dedicated network security firewall appliance designed to protect small to medium business networks at the network edge. This compact, wired appliance delivers enterprise-grade security features in a desktop-friendly form factor, making it suitable for branch offices, retail locations, and professional workspaces where reliable threat prevention is essential.

Built around ZyXEL's USG Flex platform, this firewall combines traditional stateful packet inspection with modern AI-driven threat detection to identify and block sophisticated attacks before they reach your network. The appliance supports up to 300,000 concurrent sessions and maintains consistent 900 Mbps firewall throughput, ensuring security doesn't become a bottleneck for business connectivity.

Relevant factors for this section include Functionality, Firewall Protection Supported, Firewall Throughput, Total Number of Ports. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Gateway Snapshot
900 Mbit/s
Throughput
VPN33.75 MB/s
PowerYes
Performance & Capacity
Firewall Throughput900 Mbit/s
VPN Throughput33.75 MB/s
Max Concurrent Sessions300000
Security Features
AI-Powered ProtectionAnti-malware, DNS Filtering
Encryption StandardsAES (256-bit), TLS 1.3, SHA-2 256-bit
Threat PreventionIntrusion Prevention, Ransomware Protection, Botnet Filtering
Connectivity & Management
Network Ports5 Gigabit Ethernet (RJ-45)
USB PortYes
ManageableYes
Physical Profile
Dimensions8.50" × 5.80" × 1.30" (216 × 147.30 × 33 mm)
Weight1.87 lb (850 g)
Power Consumption12.50 W

Technical Overview

This security appliance delivers robust performance metrics suitable for business networks requiring consistent throughput. The 900 Mbps firewall throughput handles typical SMB internet traffic without degradation, while the 67.50 MB/s IPS throughput ensures intrusion prevention scanning doesn't compromise network speed.

Network connectivity is provided through five Gigabit Ethernet ports supporting 10/100/1000Base-T standards, offering flexibility for WAN uplinks and LAN distribution. The appliance includes a USB port for potential storage expansion or configuration backup. All management occurs through wired interfaces, with support for HTTPS, HTTP, FTP, SMTP, and other standard data link protocols.

Relevant factors for this section include Functionality, Firewall Protection Supported, Firewall Throughput, Total Number of Ports. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Firewall Throughput900 Mbit/s
VPN Throughput33.75 MB/s
IPS Throughput67.50 MB/s

AI-Powered Security

The firewall incorporates artificial intelligence to enhance threat detection capabilities, specifically targeting malware and DNS-based attacks through continuous pattern analysis and behavioral monitoring.

Gigabit EthernetWired Connectivity10/100/1000Base-T

Key Product Advantages

The USG FLEX 100 distinguishes itself through comprehensive security coverage and efficient performance in a compact package. Unlike basic routers with limited security features, this dedicated appliance provides layered protection that adapts to evolving threats while maintaining network performance.

Multi-Layer Threat Prevention

Combines traditional firewall functions with advanced protections including cloud sandboxing, web content filtering, SSL inspection, application control, and reputation-based defense to block threats at multiple network layers.

  • Cloud Sandboxing for unknown threat analysis
  • SSL Inspection for encrypted traffic visibility
  • Application Control for policy enforcement

Compliance-Ready Encryption

Supports current encryption standards including AES-256, TLS 1.3, and SHA-256 for secure VPN tunnels and data protection, meeting common regulatory requirements for business data security.

Deployment / Use Cases

The ZyXEL USG FLEX 100 serves as a primary security gateway for networks requiring dedicated threat protection without the complexity of enterprise firewall systems. Its balanced throughput and comprehensive feature set make it adaptable to various business environments.

Typical deployments include retail store networks where payment systems and customer WiFi require separation and protection, professional offices needing to secure client data and communications, and small educational or healthcare facilities requiring compliance with data protection standards.

Relevant factors for this section include Functionality, Firewall Protection Supported, Firewall Throughput, Total Number of Ports. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Branch Office Security

Provides consistent security policies and threat protection for remote locations while supporting site-to-site VPN connections back to headquarters.

Retail & Hospitality Networks

Segregates point-of-sale systems from public WiFi while applying content filtering and application controls to maintain network performance and security.

Physical Profile

Designed for desktop placement in office environments, the USG FLEX 100 measures 8.50 inches wide by 5.80 inches deep by 1.30 inches tall, with a weight under two pounds. The compact dimensions allow placement on shelves, under monitors, or in network cabinets without requiring dedicated rack mounting hardware.

The low 12.50-watt power consumption makes it suitable for always-on operation without significant energy costs or heat generation. The desktop form factor includes ventilation for sustained operation in typical office temperatures.

Dimensions
Width
8.50" (216 mm)
Depth
5.80" (147.30 mm)
Height
1.30" (33 mm)
Weight
1.87 lb (850 g)

What's in the Box

The appliance ships with all necessary components for immediate deployment in your network environment.

ZyWALL USG FLEX 100 Network Security/Firewall Appliance Power Adapter RJ-45 - RS-232 Cable for Console Connection
ZyWALL USG FLEX 100 Network Security/Firewall Appliance
[custom-highlights]

Highlights

  • 5 Gigabit Ethernet ports for WAN and LAN connectivity
  • 900 Mbps firewall throughput maintains network performance
  • AI-powered threat detection with anti-malware and DNS filtering
  • Intrusion Prevention System (IPS) with 67.50 MB/s throughput
  • Supports 300,000 concurrent sessions for busy networks
  • Comprehensive security features including ransomware protection
  • Modern encryption with AES-256 and TLS 1.3 support
  • Compact desktop design with low 12.50W power consumption
  • TAA compliant for government and educational procurement
  • Includes console cable for out-of-band management
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerZYXEL Communications Corp.
Manufacturer Part NumberUSGFLEX100BUNREV2
Brand NameZYXEL
Product LineZyWALL
Product SeriesUSG Flex
Product ModelUSG FLEX 100
Product NameZyWALL USG FLEX 100 Network Security/Firewall Appliance
Product TypeNetwork Security/Firewall Appliance
Technical Information
FunctionalityIntrusion Prevention
Firewall Protection SupportedCloud Sandboxing,Web Content Filtering,Malware Protection,Email Security,URL Filtering,Denial of Service (DoS),Distributed Denial of Service (DDoS),Stateful Packet Filtering,DNS Security,Threat Protection,Dead Peer Detection,FloodGuard,SSL Inspection,Application Control,Intrusion Prevention,Reputation Enabled Defense,Web Application Control,Ransomware Protection,Botnet Filtering
Firewall Throughput900 Mbit/s
Encryption StandardSSL,DES,3DES,AES (256-bit),MD5,SHA-1,SHA-2 256-bit,TLS 1.3
Data Link ProtocolsHTTPS,L2TP,HTTP,FTP,SMTP,SMTPS,SMB,IMAP
Connectivity TechnologyWired
Number of Concurrent Sessions (Max)300000
AI-poweredYes
AI FeaturesAnti-malware,DNS Filtering
Interfaces/Ports
Total Number of Ports5
USBYes
Number of Network (RJ-45) Ports5
Media & Performance
VPN Throughput33.75 MB/s
IPS Throughput67.50 MB/s
Network & Communication
Ethernet TechnologyGigabit Ethernet
Network Standard10/100/1000Base-T
Management & Protocols
ManageableYes
Power Description
Power Consumption12.50 W
Physical Characteristics
Height1.30" (33 mm)
Width8.50" (216 mm)
Depth5.80" (147.30 mm)
Weight (Approximate)1.87 lb (850 g)
Miscellaneous
Package ContentsZyWALL USG FLEX 100 Network Security/Firewall Appliance Power Adapter RJ-45 - RS-232 Cable for Console Connection
Country of OriginTaiwan
TAA CompliantYes
[/custom-specifications][custom-user-manual]

User Manual

This section contains official documentation provided by the manufacturer, including product manuals, brochures, and supplementary materials.
[/custom-user-manual][custom-faq]

FAQ

What is the firewall throughput of the ZyXEL USG FLEX 100?

The firewall delivers 900 Mbps throughput, which is sufficient for typical small to medium business internet connections. This throughput level ensures security scanning doesn't bottleneck network performance, allowing the appliance to handle simultaneous web browsing, email, VoIP, and cloud application traffic without degradation.

How many network ports does this security appliance include?

The appliance features five Gigabit Ethernet ports (RJ-45) that support 10/100/1000Base-T connections. These ports provide flexibility for configuring WAN uplinks, LAN distribution, DMZ zones, or dedicated management interfaces based on your network architecture requirements.

What AI-powered security features are included?

The firewall incorporates artificial intelligence specifically for anti-malware detection and DNS filtering. The AI analyzes traffic patterns and behaviors to identify emerging threats that might bypass traditional signature-based detection, providing an additional layer of protection against sophisticated attacks.

What encryption standards does this firewall support for VPN connections?

The appliance supports modern encryption standards including AES with 256-bit keys, TLS 1.3, SHA-2 256-bit, along with legacy protocols like DES, 3DES, MD5, and SHA-1. This comprehensive support ensures compatibility with various VPN implementations while enabling strong encryption for sensitive data transmission.

Can this firewall be rack-mounted?

The USG FLEX 100 is designed as a desktop appliance with dimensions of 8.50" × 5.80" × 1.30". While it doesn't include native rack ears, its compact size allows placement on standard rack shelves if needed. The desktop form factor makes it suitable for office environments where rack space isn't available.

What is included in the package with this firewall appliance?

The package contains the ZyWALL USG FLEX 100 network security/firewall appliance, a power adapter for operation, and an RJ-45 to RS-232 cable for console connection. The console cable enables out-of-band management for initial configuration or troubleshooting without network connectivity.

[/custom-faq]
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ZyXEL USGFLEX100BUN REV2 ZyWALL USG FLEX 100 Network Security Firewall - 5-Port Gigabit Ethernet - 900 Mbps Throughput - AI-Powered Threat Protection
MSRP: $533.12
$533.12
$438.99
Save: $94.13 (17.66%)
Out of stock