FortiGate 31G Firewall

FortiGate 31G is an entry-level next-generation firewall (NGFW) and Secure SD-WAN appliance designed for small offices, retail locations, and remote branches that require enterprise-grade security, VPN connectivity, and advanced threat protection in a compact form factor.

Fortinet FortiGate 31G

Why Choose FortiGate 31G?

Advanced Threat Protection

AI-powered Intrusion Prevention System (IPS)
Antivirus and malware protection
Web and DNS filtering

Integrated NGFW & SD-WAN

Stateful firewall with deep inspection
Secure SD-WAN built-in
Optimised SaaS and cloud traffic

Small Office Ready

Fanless, silent desktop appliance
Low power consumption
Ideal for limited-space deployments

Common Use Cases

Small Office Security

Enterprise-grade firewall protection for small business environments.

Retail & Distributed Sites

Consistent security policies across multiple branch locations.

Secure VPN Connectivity

IPsec VPN for remote users and site-to-site connections.

SD-WAN Edge

Application-aware routing for cloud and SaaS services.

Cost-Sensitive Deployments

Affordable NGFW with subscription-based protection.

Performance Snapshot (Real-World Security)

Security Function Typical Throughput
Firewall Throughput Up to ~4 Gbps
IPS (Enterprise Traffic Mix) Up to ~800 Mbps
NGFW Throughput Up to ~570 Mbps
Threat Protection Up to ~500 Mbps
IPsec VPN Up to ~3.5 Gbps
SSL Inspection Up to ~400 Mbps

Technical Specifications – FortiGate 31G

Performance

Firewall Throughput4 Gbps
IPS Throughput800 Mbps
NGFW Throughput570 Mbps
Threat Protection500 Mbps
SSL Inspection400 Mbps

VPN Capacity

IPsec VPN Throughput3.5 Gbps
Gateway-to-Gateway Tunnels200
Client-to-Gateway Tunnels250
Concurrent Sessions600,000

Interfaces & Hardware

GE RJ45 WAN Port1
GE RJ45 Internal Ports2
GE RJ45 FortiLink Port1
Console (RJ45)1
Onboard Storage30 GB SSD

Sessions & Capacity

Form FactorDesktop, fanless
New Sessions / sec30,000
Firewall Policies2,000
Secure SD-WANYes

Management & Services

Max FortiSwitches8
Max FortiAPs16
Centralized ManagementFortiManager
Logging & AnalyticsFortiAnalyzer

Designed to deliver strong security performance for small and distributed environments while maintaining low latency for business-critical traffic.

Subscription & Licensing

FortiGate 31G uses a subscription-based licensing model. While the hardware can operate as a basic firewall without a license, advanced security services require an active FortiGuard subscription.

  • UTP – Unified Threat Protection (most common)
  • ATP – Advanced Threat Protection
  • Enterprise Protection – Compliance-focused security
  • Subscriptions available for 1, 3, or 5 years

Get the right FortiGate 31G Package

Tell Us your users, WAN Speed and VPN needs. we’ll recommend the right bundle