Firewall, 5x GE RJ45 ports, fanless desktop, 64GB SSD, SD-WAN, SP5 ASIC, 5/5/4 Gbps, including 3 Year FortiCare Premium and FortiGuard Enterprise Protection
| Feature |
Details |
| Product SKU |
FG-51G-BDL-809-36 |
| Form Factor |
Desktop (Fanless) |
| Internal Storage |
64 GB SSD |
| Firewall Throughput |
5 / 5 / 4 Gbps (1518/512/64 byte UDP) |
| Interfaces |
5x GE RJ45 ports (1x WAN, 1x FortiLink, 3x Internal) |
| Threat Protection |
1.1 Gbps |
| Power Input |
12VDC, 3A |
| Dimensions (H x W x L) |
1.6 x 8.5 x 6.3 inches (40.5 x 216 x 160 mm) |
| Weight |
2.2 lbs (1.0 kg) |
| Operating Temperature |
32°F to 104°F (0°C to 40°C) |
| System Performance & Capacity |
| IPS Throughput |
2.25 Gbps |
| NGFW Throughput |
1.25 Gbps |
| Firewall Latency |
2.42 μs |
| Concurrent Sessions (TCP) |
720,000 |
| New Sessions/Second (TCP) |
85,000 |
| Firewall Policies |
2,000 |
| VPN Performance |
| IPsec VPN Throughput (512 byte) |
4.5 Gbps |
| Gateway-to-Gateway IPsec VPN Tunnels |
200 |
| Client-to-Gateway IPsec VPN Tunnels |
250 |
| SSL Inspection Throughput |
1.3 Gbps |
| Hardware & Environment |
| USB Port |
1x USB |
| Console Port |
1x RJ45 |
| Power Consumption (Average / Max) |
8.3 W / 8.9 W |
| Heat Dissipation |
30.35 BTU/h |
| Storage Temperature |
-31°F to 158°F (-35°C to 70°C) |
| Humidity |
10% to 90% non-condensing |
| Noise Level |
Fanless 0 dBA |
| Compliance & Certifications |
FCC, ISED, CE, UL/cUL, CB; USGv6/IPv6 |
| Accessory Type |
Description |
| Optional |
Rack Mount Tray (SP-RACKTRAY-02), Wall Mount Kit (SP-FG60F-MOUNT-20), AC Power Adaptor (SP-FG-40F-PA-10) |
The FortiGate 51G series runs on FortiOS, the industry's first converged networking and security operating system, enabling businesses to gain benefits of operational efficiency and unified protection. As a cornerstone of the Fortinet Security Fabric platform, the FortiGate NGFW works seamlessly with FortiGuard AI-Powered Security Services to deliver coordinated, automated, end-to-end security across the enterprise. This bundle includes FortiCare Premium and FortiGuard Enterprise Protection for a 3-year contract term.
Designed for branch offices and small enterprises, the FG-51G combines high-performance firewalling, secure SD-WAN, and integrated storage in a compact, fanless appliance. With its 5x GE RJ45 ports and 64GB SSD, it supports reliable WAN connectivity, local logging, and advanced inspection capabilities without added complexity.