FortiGate 51G | Secure SD-WAN Firewall for Branch Offices
The FortiGate 51G Firewall integrates firewalling, SD-WAN, and advanced security in a single compact appliance. Powered by the SP5 ASIC, it delivers enterprise-grade protection for branch offices with silent fanless operation.
Description
The FortiGate 51G Firewall is designed to provide secure SD-WAN and advanced threat protection for branch offices and distributed enterprise environments. By integrating firewalling, SD-WAN, and AI-powered security into a single appliance, it simplifies WAN transformation while ensuring enterprise-grade performance.
Delivering 1.25 Gbps NGFW throughput, 2.25 Gbps IPS performance, and 1.1 Gbps threat protection, the FortiGate 51G Firewall ensures strong protection against modern cyber threats. With up to 5 Gbps firewall throughput and 4.5 Gbps IPsec VPN performance, it supports encrypted connectivity and secure branch-to-headquarters communication.
Powered by Fortinet’s purpose-built SP5 ASIC, the FortiGate 51G provides hardware-accelerated performance and improved energy efficiency. The appliance includes 5× GE RJ45 ports, consisting of 1× WAN port and 4× internal LAN ports, offering flexible connectivity for small to mid-sized branch deployments. Management is handled via 1× RJ45 console port and 1× USB port, while the integrated 64GB SSD allows for onboard logging and event storage.
Designed for quiet office environments, the FortiGate 51G features a fanless (0 dBA) compact desktop design and supports wall mounting. Powered by an external DC adapter (100–240V AC, 50/60 Hz), it is easy to deploy in remote locations with minimal infrastructure requirements.
Available bundles:
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FG-51G-BDL-950-12 – Hardware + 1-Year FortiCare Premium & FortiGuard UTP
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FG-51G-BDL-950-36 – Hardware + 3-Year FortiCare Premium & FortiGuard UTP
The FortiGate 51G Firewall delivers secure SD-WAN, enterprise-grade protection, and simplified branch networking in a compact and efficient form factor.
High-Speed Security Performance:
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Firewall Throughput: Up to 5 Gbps
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IPS Throughput: 2.25 Gbps
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NGFW Throughput: 1.25 Gbps
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Threat Protection Throughput: 1.1 Gbps
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IPsec VPN Throughput: 4.5 Gbps
Hardware & Interfaces:
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Total Ports: 5× GE RJ45
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1× GE RJ45 WAN Port
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4× GE RJ45 Internal Ports
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1× RJ45 Console Port
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1× USB Port
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Storage: 64GB SSD
Power & Environmental:
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Power Source: External DC Power Adapter (100–240V AC, 50/60 Hz)
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Form Factor: Compact Desktop, Wall Mountable
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Fanless Design: Yes (0 dBA Noise Level)
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet











