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Fortinet Fortigate 120G

September 18, 2025 | by gucker.wu@gmail.com

Fortinet Fortigate 120G

51Nicebuy Fortinet FortiGate 120G: High-Performance Security for Expanding Enterprises

51 Nicebuy Fortinet FortiGate 120G was designed to address these needs, offering enterprise-grade firewalling, secure SD-WAN, and AI-driven protection in a powerful yet cost-effective platform. Positioned above entry- and mid-level appliances, the 120G is an ideal choice for businesses that need robust throughput and expanded VPN capacity to keep pace with modern operations.

FG-120G Features

Fortinet FortiGate 120G Comprehensive Security for Modern Threats

The FortiGate 120G integrates next-generation firewall (NGFW) capabilities, providing intrusion prevention, deep SSL inspection, web filtering, and application control. It leverages FortiGuard Labs threat intelligence, which uses AI and global analytics to identify and mitigate zero-day attacks, ransomware, and advanced persistent threats. With automated updates and machine learning-driven analysis, the 120G ensures that networks remain resilient against today’s fast-changing cyber landscape.

Fortinet FortiGate 120G FortiOS: Unified Networking and Security

At the heart of the FG-120G is FortiOS, Fortinet’s converged operating system that combines security and networking into one cohesive platform. Administrators can manage firewall rules, SD-WAN optimization, VPN policies, and security functions through a centralized console, greatly reducing complexity. FortiOS also supports integration with cloud services and third-party platforms, enabling seamless orchestration across hybrid environments.

FG-120G Performance Specifications of FortiGate 120G

The FG-120G delivers performance that meets the demands of midsize and enterprise deployments:

  • Firewall Throughput: Up to 30 Gbps
  • IPS Throughput: 4.5 Gbps
  • NGFW Throughput: 3.8 Gbps
  • Threat Protection Throughput: 2.0 Gbps
  • SSL Inspection Throughput: 1.5 Gbps
  • IPsec VPN Throughput: 15 Gbps
  • Concurrent Sessions (TCP): Up to 4 million
  • New Sessions per Second: 400,000
  • SSL-VPN Throughput: 1.2 Gbps
  • SSL-VPN Users: Up to 20,000 concurrent users
  • Interfaces: Multiple GE RJ45, GE SFP, and 10GE SFP+ ports for flexible connectivity
  • Form Factor: Rackmount appliance for enterprise environments

Hardware Interfaces

These specifications make the FortiGate 120G a high-performance firewall capable of supporting growing enterprises and complex branch deployments.

Advanced SD-WAN for Optimized Application Delivery

As organizations shift workloads to SaaS and cloud platforms, network traffic has become increasingly unpredictable. The FG-120G provides secure SD-WAN features, including application-aware routing, dynamic link selection, and intelligent path optimization. These functions improve application performance, reduce latency, and ensure stable connectivity for mission-critical workloads—all while lowering dependency on expensive MPLS services.

VPN and Remote Connectivity at Scale

For enterprises supporting large remote workforces, VPN capacity is critical. The FG-120G supports both SSL-VPN and IPsec VPN, offering encryption and authentication at scale. With support for up to 20,000 concurrent SSL-VPN users, the appliance enables secure, seamless access for employees, contractors, and partners across multiple geographies.

Deployment Scenarios

The FortiGate 120G is versatile and can be deployed in a range of use cases:

  • Midsize Enterprises: Provides scalable performance and security to match business growth.
  • Large Branch Offices: Ensures reliable, secure connectivity to headquarters and cloud services.
  • Education and Healthcare: Protects sensitive data while supporting thousands of users and devices.
  • Retail Chains and Hospitality: Secures distributed sites while maintaining consistent application performance.
  • Data Center Edge: Handles high traffic volumes at the perimeter with strong throughput and advanced threat protection.

Benefits of FortiGate 120G

  • High-Performance Firewalling: 30 Gbps throughput ensures smooth traffic even under heavy workloads.
  • AI-Powered Security: FortiGuard Labs delivers real-time updates to defend against evolving attacks.
  • Flexible Deployment: Multiple interface options for diverse network topologies.
  • Simplified Operations: FortiOS centralizes control of security and networking in one platform.
  • Cost Savings: Secure SD-WAN reduces reliance on MPLS and optimizes bandwidth usage.

Why Choose FortiGate 120G?

Organizations that have outgrown entry-level firewalls but still require a cost-effective solution will find the 120G to be an excellent balance of price and performance. Its ability to handle millions of sessions, thousands of VPN connections, and advanced threat protection makes it a future-ready investment for enterprises undergoing digital expansion.

Learn More from Fortinet

To access the official data sheet, detailed specifications, and additional resources, visit the FortiGate 120G Next-Generation Firewall page on Fortinet’s website.

Conclusion

The Fortinet FortiGate 120G is a powerful, enterprise-grade firewall designed for organizations that demand speed, scalability, and advanced protection. Its combination of high throughput, integrated SD-WAN, and AI-driven threat intelligence provides businesses with a reliable security foundation for today’s hybrid networks. Whether deployed in branch offices, enterprise campuses, or data center edges, the FortiGate 120G ensures secure, efficient, and future-ready operations.

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