ZYXEL USG FLEX 50H Network Security/Firewall Appliance

$205.41
7 availableas of 09/18/2026

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

About the Zyxel USG FLEX h USG FLEX 50H

USG FLEX H Firewall

USG FLEX H series, named for its groundbreaking high performance, gives ultra firewall/UTM/VPN throughput with powerful multi-gig and PoE+ interfaces to get you ready for the multi-gig era. Empowered by Zyxel AI cloud, USG FLEX H series unleashes best-in-breed multi-layered protection to blank your corporate premises with seamless safety against mounting cyber threats. To make the great even greater, USG FLEX H, with enhanced SecuExtender, makes it easier to extend the same security to all your remote networks, proving that small or mid-sized business users can also enjoy enterprise-grade security at lightning speed.

Benefits | Ultra high performance

With next-generation multi-core hardware and Fastpath technology, USG FLEX H series is designed with dedicated system resources to minimize packet processing time, reduce latency, and accelerate traffic flows. It is also fabricated for optimal utilization of processors to boost performance, all together to deliver superior performance catering to your needs for 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 tailoring each USG FLEX H port as required (WAN or LAN). It offers 2 PoE+ integrated ports with total 30W power budget to simplify installations and reduce install costs by allowing you power devices directly from the USG FLEX H itself.

AI-powered cloud cybersecurity

Block malicious threats and restrict inappropriate user behaviors. 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. 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 design.

Hassle free network management with Nebula

Utilizing Nebula, Zyxel's centralized cloud management platform you can configure and deploy network and security devices centrally. You can manage multiple devices and bring the information from them together, combining it to create a more effective defensive ring around the network.

Preemptive Defense by Reputation Filter

Stop 70% of common cyberattacks with Reputation Filter service without sacrificing your network performance thanks to its low computing requirement. Reputation Filter consist of IP Reputation, DNS Filter, and URL threat filter. Analyzes IP, domain, URL addresses with up-to-date cloud reputation databases and determines if addresses are safe or not. Automatically blocks access to compromised sources, providing granular protection.

Deep insights of devices

Device insight gives a centralized dashboard of your network activities and information from all connected devices. Tune your access policies based on attributes such as OS version or device categories to achieve network segmentation for limited attack surface and prevent threat from spreading. Easily trace issues and prevent future threat incidents with SecuReporter, provides comprehensive threat analysis and correlations between events.

Technical specifications

Technical Specifications of the Zyxel USG FLEX h USG FLEX 50H

General Information

General Information specifications
Manufacturer ZYXEL Communications Corp.
Manufacturer Part Number USGFLEX50H
Manufacturer Website Address http://www.us.zyxel.com
Brand Name ZYXEL
Product Line USG FLEX
Product Series h
Product Model USG FLEX 50H
Product Name USG FLEX 50H Network Security/Firewall Appliance
Product Type Network Security/Firewall Appliance

Technical Information

Technical Information specifications
Functionality Intrusion Prevention
Firewall Protection DNS SecurityIntrusion PreventionURL FilteringFloodGuardReputation Enabled DefenseStateful Packet FilteringSSL InspectionDead Peer DetectionCloud SandboxingMalware ProtectionStatic Web FilteringApplication ControlContent Filtering
Firewall Throughput 1.95 Gbit/s
Encryption Standard MD5TLS 1.3AES (256-bit)3DESDESSHA-1SHA-2 256-bitSSL
Number of VPN Supported 15
Data Link Protocols FTPHTTPSSMTPHTTP
Connectivity Technology Wired
Number of Concurrent Sessions (Max) 100000
AI-powered Yes
AI Features Cybersecurity

Interfaces/Ports

Interfaces/Ports specifications
Total Number of Ports 5
USB Yes
Number of Network (RJ-45) Ports 5

Media & Performance

Media & Performance specifications
VPN Throughput 62.50 MB/s
IPS Throughput 125 MB/s

Network & Communication

Network & Communication specifications
Ethernet Technology Gigabit Ethernet
Network Standard 1000Base-T

Management & Protocols

Management & Protocols specifications
Manageable Yes

Power Description

Power Description specifications
Power Consumption 8.86 W

Physical Characteristics

Physical Characteristics specifications
Height 1.3"
Width 8.5"
Depth 5.6"
Weight (Approximate) 2.25 lb

Miscellaneous

Miscellaneous specifications
Package Contents
  • USG FLEX 50H Network Security/Firewall Appliance
  • Power Adapter
  • RJ-45 to RS-232 Cable for Console Connection
Application / Usage NetworkSecurityBusinessEnterprise
Certifications & Standards
  • FCC Part 15 (Class B)
  • CE EMC (Class B)
  • RCM (Class B)
  • BSMI
  • LVD (EN62368-1)

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

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