Type | Firewall |
Model | FG-91G |
Form Factor | Desktop |
Networking Type | Ethernet |
Connectivity Technology | Wired |
Power Requirements | 12V DC |
Max Power Consumption | 23.5 Watt |
Hard Drive Capacity | 120 GB |
Concurrent Sessions | 1.5M |
New Sessions Per Second | 124000 |
Fortinet FortiGate-91G Firewall with 3-Year FortiCare & FortiGuard

Key Benefits

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- Includes 3-year premium support and enterprise security services, maximizing value and uptime
- Supports high-volume, secure networking with 25 Gbps VPN throughput and 1.5M concurrent sessions
- Compact desktop design with 14 ports and energy-efficient 23.5W operation for cost-effective deployment
Product Overview
The FortiGate-91G by Fortinet offers 25 Gbps IPSec VPN throughput and up to 1.5 million concurrent sessions, housed in a desktop form factor suited for space-conscious deployments. Featuring 14 versatile Ethernet ports and Gigabit Ethernet support, it delivers fast performance with minimal latency. The device also includes a 120 GB hard drive for log storage and runs on just 23.5 Watts of power, making it efficient for long-term use. With the 3-year FortiCare Premium and FortiGuard Enterprise Protection, users benefit from ongoing updates, threat intelligence, and expert support, ensuring their network remains secure and optimal.
Specifications
Product Overview
Physical & Environmental
Width | 8.5 Inch |
Depth | 7 Inch |
Height | 1.65 Inch |
Weight | 1.63 lbs |
Operating Temperature | 32°F to 104°F (0°C to 40°C) |
Storage Temperature | -31°F to 158°F (-35°C to 70°C) |
Humidity (Operating) | 10% to 90% non-condensing |
Cloud Management & Licensing
Management Interface | FortiOS with Web UI and CLI |
Subscription Services | 3-Year FortiCare Premium and FortiGuard Enterprise Protection |
Logging & Monitoring | FortiAnalyzer and FortiManager compatible |
Centralized Management | Supported via FortiManager |
Cloud Features | Cloud-based management and analytics via FortiCloud |
Interfaces
Number of Ports | 14 |
Interface Types | Ethernet, Gigabit Ethernet |
Data Transfer Rate | 10 Gbps |
VPN IPSec Throughput | 25 Gbps |
IPS Throughput | 4.5 Gbps |
Transport Protocol | Gigabit Ethernet |
Data Link Protocol | Gigabit Ethernet |
Compliance & Origin
Country of Origin | |
TAA Compliant | |
Certifications | FCC, CE, RoHS, UL, ICSA Labs |
Advanced Security Features
Firewall Throughput | 10 Gbps |
Threat Protection Throughput | 1 Gbps |
Application Control | Yes |
Antivirus | Yes |
Web Filtering | Yes |
Intrusion Prevention System (IPS) | Yes |
SSL Inspection | Yes |
Malware Protection | Yes |
DoS Protection | Yes |
VPN Support | IPSec, SSL VPN |
Content Filtering | Yes |