[shortdesc]Firewall, 1RU rackmount, SP5 accelerated, 18x GE RJ45, 8x GE SFP, 4x 10GE SFP+ FortiLink, 480GB SSD[/shortdesc]

[properties]

Product Series	FortiGate 120G Series
SKU	FG-121G
Form Factor	Rack Mount, 1RU
Internal Storage	1 x 480 GB SSD
Firewall Throughput	39 Gbps
IPS Throughput	5.3 Gbps
Network Interfaces	18x GE RJ45 (including 1x MGMT, 1x HA, 16x switch), 8x GE SFP, 4x 10GE SFP+
Power Supply	Dual Non-Swappable AC (1+1 Redundancy)
Dimensions (H x W x L)	1.73 x 17 x 10 inches (44 x 432 x 254 mm)
Weight	12.17 lbs (5.52 kg)

[/properties]

[specifications]

System Performance
NGFW Throughput	3.1 Gbps
Threat Protection Throughput	2.8 Gbps
Firewall Throughput (UDP)	39 / 39 / 28 Gbps (1518 / 512 / 64 byte packets)
Firewall Latency	3.17 μs
Firewall Throughput (Packets Per Second)	42 Mpps
Application Control Throughput	6.7 Gbps
SSL Inspection Throughput	3 Gbps
System Capacity
Concurrent Sessions (TCP)	3 Million
New Sessions/Second (TCP)	140,000
Firewall Policies	10,000
VPN Performance
IPsec VPN Throughput (512 byte)	35 Gbps
Gateway-to-Gateway IPsec VPN Tunnels	2,000
Client-to-Gateway IPsec VPN Tunnels	16,000
SSL-VPN Throughput	1.5 Gbps
Concurrent SSL-VPN Users (Recommended Max)	500
Interfaces & Connectivity
GE RJ45 Ports	16x Hardware Accelerated Ports
GE RJ45 Management / HA Ports	1 / 1
GE SFP Slots	8x Hardware Accelerated Slots
10 GE SFP+ Slots	4x FortiLink Slots (Hardware Accelerated)
USB Ports	1
Console Port	1x RJ45
Power & Environment
Power Input	100–240V AC, 50–60 Hz
Power Consumption (Average / Max)	43 W / 47 W
Heat Dissipation	159 BTU/hr
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	10% to 90% non-condensing
Noise Level	49 dBA
Compliance & Certifications	FCC Part 15B, Class A, CE, RCM, VCCI, UL/cUL, CB, BSMI; USGv6/IPv6

[/specifications]

[accesories]

Optional Accessories

1 GE SFP SX/LX/RJ45 Transceivers, 10 GE SFP+ RJ45/LR/ER/SR Transceivers, 10 GE SFP+ Passive Direct Attach Cables (1m, 3m, 5m)

[/accesories]

The Fortinet FortiGate 121G next-generation firewall combines advanced AI-powered security with 480GB onboard SSD storage. Powered by Fortinet’s proprietary SP5 Security Processing Unit (SPU), this appliance enables high-speed networking and threat protection without compromising performance. It is designed to deliver deep visibility into users, devices, and applications while helping protect against ransomware, malware, and zero-day attacks.

Built for resilience and scalability, the FortiGate 121G features dual non-swappable AC power supplies and a diverse set of connectivity options, including 10 GE SFP+ FortiLink slots and multiple GE RJ45 and SFP ports. This configuration supports secure SD-WAN deployments and network segmentation, making it an ideal solution for distributed enterprises and branch offices that require robust security, onboard storage, and high availability.

Integrated storage and SP5 ASIC performance for secure, data-rich networking.

• Onboard Storage: Includes a 480GB SSD for onboard storage.
• Unparalleled Performance: Leverages the SP5 SPU to deliver 39 Gbps firewall throughput and ultra-low 3.17 μs latency.
• Advanced Threat Protection: Provides 5.3 Gbps IPS and 2.8 Gbps Threat Protection throughput to help defend against complex network attacks.
• Redundant Power: Features dual built-in AC power supplies (1+1 redundancy) to ensure continuous operation in mission-critical environments.
• Flexible Connectivity: Equipped with 18x GE RJ45 ports, 8x GE SFP slots, and 4x 10GE SFP+ slots for high-speed uplink and switching.
• Secure SD-WAN: Unified operating system and security fabric support scalable SD-WAN with accelerated application steering.

Ideal Use Cases

• Distributed Enterprises: Branch locations requiring onboard storage and high-speed secure connectivity.
• Storage-Enabled Deployments: Installations where onboard SSD storage is required.
• Secure SD-WAN: WAN edge transformation with integrated security and performance monitoring.
• Hybrid Network Security: Consistent policy enforcement across on-premise and cloud-connected segments.

Technical Specifications Summary

• Firewall Throughput: 39 / 39 / 28 Gbps (1518 / 512 / 64 byte UDP packets)
• Enterprise Traffic Mix: IPS 5.3 Gbps; NGFW 3.1 Gbps; Threat Protection 2.8 Gbps
• System Capacity: 3 Million concurrent sessions (TCP); 140,000 new sessions/second (TCP); 10,000 firewall policies
• VPN Performance: IPsec VPN 35 Gbps (512 byte); 2,000 gateway-to-gateway tunnels; 16,000 client-to-gateway tunnels; SSL-VPN 1.5 Gbps; 500 concurrent users (recommended max)
• SSL Inspection: 3 Gbps (IPS, avg. HTTPS)
• Internal Storage: 1 x 480 GB SSD
• Interfaces: 16x GE RJ45 + 1x GE RJ45 MGMT + 1x GE RJ45 HA; 8x GE SFP; 4x 10GE SFP+ FortiLink; 1x RJ45 console; 1x USB
• Power, Physical & Environment: Dual non-swappable AC (1+1 redundancy), 100–240V AC 50–60 Hz; 43 W avg / 47 W max; 1RU; 1.73 x 17 x 10 inches (44 x 432 x 254 mm); 12.17 lbs (5.52 kg); 0°C to 40°C operating; 10% to 90% non-condensing; 49 dBA

Upgrade Your Network Security

Deploy the FortiGate 121G today for onboard SSD storage and enterprise-grade threat protection.