Shipping included*
Exclusions
Additional shipping fees may apply in rare circumstances for deliveries outside standard service areas. In most cases, this only potentially affects shipments to the Northwest Territories and Yukon, as well as certain heavy or oversized items.
ZyXEL USGFLEX50 Network Security Firewall Appliance - 5-Port Gigabit - 350 Mbit/s Throughput - 10 VPN - Desktop Format
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
The USG FLEX 50 employs a stateful packet inspection firewall core that processes traffic at line rates up to 350 Mbit/s. This throughput capacity is balanced with deep packet inspection capabilities for web content filtering, email security, and threat intelligence, ensuring comprehensive protection against modern network threats.
Encryption is handled through industry-standard algorithms including DES, 3DES, AES-256, MD5, SHA-1, SHA-2 256-bit, and SSL, providing flexible security for VPN and data transmission. The appliance maintains up to 20,000 concurrent sessions, supporting moderate network loads without performance degradation. All five RJ-45 ports operate at 10/100/1000 Mbps speeds, with one USB port available for potential expansion or configuration backup.
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.
Key Product Advantages
The USG FLEX 50 consolidates multiple security functions into a single appliance, reducing infrastructure complexity while maintaining robust protection. Its combination of throughput capacity, VPN support, and filtering capabilities makes it particularly suitable for budget-conscious deployments requiring enterprise-grade features.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Web Content Filtering, Email Security, Threat Intelligence, URL Filtering, DoS/DDoS Protection.
For buyers comparing similar models, the strongest advantage is usually the balance between dependable day-to-day operation and a simpler rollout experience. That means less time spent troubleshooting fit, compatibility, or user adoption after installation, which is especially important for shared business environments and repeat purchasing decisions.
Deployment / Use Cases
This firewall appliance is engineered for edge deployment in small business environments, branch offices, and retail locations where network security must be effective yet straightforward to manage. Its desktop form factor and modest power requirements make it easy to integrate into existing network cabinets or office setups without specialized cooling or power infrastructure.
Typical use cases include securing internet gateways for offices with up to 50 users, providing VPN connectivity for remote workers, and enforcing acceptable use policies through web filtering. The appliance can also serve as a dedicated security device for point-of-sale systems, surveillance networks, or guest Wi-Fi segmentation, ensuring critical business traffic remains protected from external threats.
Small Office Gateway
Deploy as the primary internet gateway for offices requiring basic security, content filtering, and VPN access without wireless functionality.
Network Segmentation
Use to isolate sensitive network segments like financial systems or surveillance cameras from general office traffic while maintaining connectivity.
Physical Profile
The USG FLEX 50 features a compact desktop enclosure measuring 8.50" wide × 5.63" deep × 1.30" high (215.90 × 143 × 33.02 mm), with a weight of approximately 1.94 lb (879.97 g). This slim profile allows flexible placement on desks, shelves, or in network cabinets without consuming significant space. The all-metal construction provides durability for continuous operation, while the low 12W power consumption minimizes energy costs and heat output.
- Width
- 8.50" (215.90 mm)
- Depth
- 5.63" (143 mm)
- Height
- 1.30" (33.02 mm)
- Weight
- 1.94 lb (879.97 g)
What's in the Box
The package includes all necessary components for immediate deployment and management.
Highlights
- 5-port Gigabit Ethernet firewall appliance with 350 Mbit/s throughput
- Supports web content filtering, email security, and threat intelligence
- 10 concurrent VPN tunnels with 11.25 MB/s VPN throughput
- Stateful packet inspection and DoS/DDoS protection
- Manages up to 20,000 concurrent sessions
- Compact desktop form factor (8.50" × 5.63" × 1.30")
- Low 12W power consumption for energy efficiency
- TAA compliant and manufactured in Taiwan
Specifications
| Specifications | |
|---|---|
| Manufacturer | ZYXEL Communications Corp. |
| Manufacturer Part Number | USGFLEX50 |
| Brand Name | ZYXEL |
| Product Line | USG FLEX |
| Product Series | 50 |
| Product Model | USG FLEX 50 |
| Product Name | USG FLEX 50 Network Security/Firewall Appliance |
| Product Type | Network Security/Firewall Appliance |
| Technical Information | |
| Functionality | Web Filtering |
| Firewall Protection Supported | Web Content Filtering,Email Security,Threat Intelligence,URL Filtering,Denial of Service (DoS),Distributed Denial of Service (DDoS),Stateful Packet Filtering,Content Filtering |
| Firewall Throughput | 350 Mbit/s |
| Encryption Standard | DES,3DES,AES (256-bit),MD5,SHA-1,SHA-2 256-bit,SSL |
| Number of VPN Supported | 10 |
| Data Link Protocols | HTTPS,HTTP,L2TP |
| Connectivity Technology | Wired |
| Number of Concurrent Sessions (Max) | 20000 |
| Interfaces/Ports | |
| Total Number of Ports | 5 |
| USB | Yes |
| Number of Network (RJ-45) Ports | 5 |
| Media & Performance | |
| VPN Throughput | 11.25 MB/s |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Network Standard | 10/100/1000Base-T |
| Wireless Specifications | |
| Wireless LAN | No |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| Power Consumption | 12 W |
| Physical Characteristics | |
| Height | 1.30" (33.02 mm) |
| Width | 8.50" (215.90 mm) |
| Depth | 5.63" (143 mm) |
| Weight (Approximate) | 1.94 lb (879.97 g) |
| Miscellaneous | |
| Package Contents | USG FLEX 50 Network Security/Firewall Appliance Power Adapter RJ-45 - RS-232 Cable for Console Connection |
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
User Manual
FAQ
What is the firewall throughput of the USG FLEX 50?
The USG FLEX 50 delivers 350 Mbit/s of firewall throughput, which represents its maximum processing capacity for inspecting and filtering network traffic while maintaining stateful packet inspection. This throughput level is suitable for small business internet connections and internal network segmentation where moderate traffic volumes require security without bottlenecking performance.
How many VPN connections does this appliance support?
This security appliance supports up to 10 concurrent VPN tunnels, allowing secure remote access for employees or site-to-site connections between offices. The VPN throughput is rated at 11.25 MB/s, ensuring adequate bandwidth for encrypted traffic without significantly impacting overall network performance.
What types of security filtering are included?
The USG FLEX 50 includes multiple filtering technologies: web content filtering for blocking inappropriate websites, email security for filtering malicious attachments, URL filtering for controlling web access, and content filtering for application-level controls. It also provides Denial of Service (DoS) and Distributed Denial of Service (DDoS) protection to mitigate flood attacks against the network.
Is this appliance rack-mountable or desktop only?
The USG FLEX 50 is designed as a desktop appliance with dimensions of 8.50" wide × 5.63" deep × 1.30" high. While not specifically rack-mountable, its compact size allows placement in standard network cabinets using shelf mounting if needed. The desktop form factor makes it ideal for offices without dedicated rack infrastructure.
What management capabilities does it offer?
This is a fully manageable appliance that supports configuration through a web interface or command line. Administrators can set security policies, monitor network traffic, configure VPN settings, and implement filtering rules. The USB port allows for configuration backup and potential firmware updates, while the console cable provides direct access for initial setup.
What is included in the package?
The package contains the USG FLEX 50 network security/firewall appliance, a power adapter for operation, and an RJ-45 to RS-232 cable for console connection. This complete set enables immediate deployment without requiring additional cables or accessories for basic functionality.
| Qty | Price | Available |
|---|
