FortiGate mid-range firewalls are designed for organizations that need stronger performance and more advanced security capabilities than entry-level models can deliver, but without the footprint or cost of high-end enterprise appliances. These devices provide powerful next-generation firewall features, including high-speed intrusion prevention, deep SSL/TLS inspection, advanced malware protection, and granular application control. Thanks to Fortinet's purpose-built security processors, mid-range FortiGates maintain impressive throughput even when multiple security services are enabled, making them ideal for environments where performance and protection must coexist. What really distinguishes the mid-range lineup is its ability to support more complex, distributed, and bandwidth-intensive networks. These models integrate seamlessly with secure SD-WAN, zero-trust network access, and the broader Fortinet Security Fabric, giving organizations unified visibility and coordinated threat response across their entire infrastructure. With strong VPN capabilities, high availability options, and flexible deployment models, FortiGate mid-range firewalls offer a scalable, future-ready platform for businesses that are growing, modernizing, or consolidating their security architecture. FortiGate 120G FortiGate 121G Hardware Specifications Hardware Accelerated GE RJ45 Ports 16 16 Hardware Accelerated GE RJ45 Management / HA Ports 2 2 Hardware Accelerated GE SFP Slots 8 8 Hardware Accelerated 10 GE SFP+ FortiLink Slots (default) 4 4 USB Ports 1 1 Console (RJ45) 1 1 Internal Storage - 1 x 480 GB SSD Trusted Platform Module (TPM) Yes Yes Bluetooth Low Energy (BLE) Yes Yes System Performance*Enterprise Traffic Mix IPS Throughput 5.3 Gbps NGFW Throughput 3.1 Gbps Threat Protection Throughput 2.8 Gbps System Performance and Capacity Firewall Throughput (1518 / 512 / 64 byte UDP packets) 39 / 39 / 28 Gbps Firewall Latency (64 byte UDP packets) 3.17 μs Firewall Throughput (Packets Per Second) 42 Mpps Concurrent Sessions (TCP) 3 M New Sessions/Second (TCP) 140 000 Firewall Policies 10 000 IPsec VPN Throughput (512 byte) 35 Gbps Gateway-to-Gateway IPsec VPN Tunnels 2000 Client-to-Gateway IPsec VPN Tunnels 16 000 SSL-VPN Throughput 1.5 Gbps Concurrent SSL-VPN Users (Recommended Maximum, Tunnel Mode) 500 SSL Inspection Throughput (IPS, avg. HTTPS) 3 Gbps SSL Inspection CPS (IPS, avg. HTTPS) 2100 SSL Inspection Concurrent Session (IPS, avg. HTTPS) 315 000 Application Control Throughput (HTTP 64K) 6.7 Gbps CAPWAP Throughput (HTTP 64K) 35 Gbps Virtual Domains (Default / Maximum) 10 / 10 Maximum Number of FortiSwitches Supported 32 Maximum Number of FortiAPs (Total / Tunnel Mode) 128 / 64 Maximum Number of FortiTokens 5000 High Availability Configurations Active-Active, Active-Passive, Clustering Dimensions Height x Width x Length (inches) 1.73 x 17 x 10 Height x Width x Length (mm) 44 x 432 x 254 Weight 12.17 lbs (5.52 kg) Form Factor Rack Mount, 1RU Operating Environment and Certifications Input Rating 100-120VAC, 1A-.5A Max, 50-60Hz Redundant Power Supplies Yes (Default dual non-swappable AC PSU for 1+1 Redundancy) Power Supply Efficiency Rating N/A Maximum Current 100VAC@1A,[email protected] Power Consumption (Average / Maximum) 38 W / 40 W 43 W / 47 W Heat Dissipation 138 BTU/hr 159 BTU/h Operating Temperature 32°104°F (0°40°C) Storage Temperature -31°158°F (-35°70°C) Humidity 20%90% noncondensing 1090% non-condensing Noise Level 49 dBA Air Flow Side to back Operating Altitude Up to 10 000 ft (3048 m) Compliance FCC Part 15B, Class A, CE, RCM, VCCI, UL/cUL, CB, BSMI Certifications USGv6/IPv6