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FortiGate 121G

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FortiGate 121G

FortiGate 120G Series

Fortinet FortiGate 121G

Converged Next-Generation Firewall (NGFW) and SD-WAN

The FortiGate 121G delivers 5.3 Gbps IPS throughput, 2.8 Gbps threat protection, 35 Gbps IPsec VPN, 480 GB onboard SSD, with 18 GE RJ45 ports, 8 GE SFP slots, 4x 10GE SFP+ slots, and dual power supplies.
5.3 Gbps
IPS Throughput
2.8 Gbps
Threat Protection
3,000,000
Concurrent Sessions


Overview

Converged Next-Generation Firewall (NGFW) and SD-WAN
The FortiGate Next-Generation Firewall 120G series is ideal for building security-driven networks at distributed enterprise sites and transforming WAN architecture at any scale.

Robust Port Configuration: The FortiGate 120G is equipped with 18 GE RJ45 ports, including 1 management port and 1 HA port, alongside 16 switch ports. It also features 8 GE SFP slots and 4 10GE SFP+ slots for diverse high-speed connectivity options.

Cutting-edge Performance with SP5 Acceleration: Powered by SP5 hardware acceleration, the device ensures unmatched performance for security and networking functions, delivering significantly higher throughput than previous generations.

Dual AC Power Supplies: Designed with dual non-hot swappable AC power supplies, the FortiGate 120G ensures uninterrupted service and high availability for mission-critical network deployments.

Superior Security Features: Integrated with Fortinet's Security Fabric, the FortiGate 120G offers advanced threat protection, real-time SSL inspection, and AI-powered FortiGuard services for comprehensive enterprise defence.

Streamlined Network Management: Features such as the FortiLink protocol allow seamless integration of security and network management, converging the FortiSwitch as a logical extension of the NGFW.

Highly Scalable and Secure SD-WAN: Delivers exceptional quality of experience and enhanced security posture for diverse deployment scenarios, with full SD-WAN automation, analytics, and self-healing capabilities.

Highlights
  • Gartner Magic Quadrant Leader for both Network Firewalls and WAN Edge Infrastructure
  • Security-Driven Networking via FortiOS — the industry’s first converged networking and security operating system
  • State-of-the-Art Unparalleled Performance with Fortinet’s patented SoC processors
  • Enterprise Security with consolidated AI / ML-powered FortiGuard Services
  • Simplified Operations with centralized management for networking and security
IPSNGFWThreat ProtectionInterfaces
5.3 Gbps3.1 Gbps2.8 Gbps16x GE RJ45 | 8x GE SFP | 4x 10GE SFP+ | 1x 480 GB SSD | Dual PSU

Features

FortiOS — Fortinet’s Advanced Operating System

FortiOS enables the convergence of high performing networking and security across the Fortinet Security Fabric. Because it can be deployed anywhere, it delivers consistent and context-aware security posture across network, endpoint, and multi-cloud environments.

  • Interactive drill-down and topology viewers that display real-time status
  • On-click remediation that provides accurate and quick protection against threats and abuses
  • Unique threat score system correlates weighted threats with users to prioritize investigations

FortiConverter Service provides hassle-free migration to help organizations transition from a wide range of legacy firewalls to FortiGate Next-Generation Firewalls quickly and easily.


FortiGuard AI-Powered Security Services

Network and File Security

Services provide protection against network-based and file-based threats. This consists of Intrusion Prevention (IPS) which uses AI/ML models to perform deep packet/SSL inspection to detect and stop malicious content, and apply virtual patching when a new vulnerability is discovered. It also includes Anti-Malware for defense against known and unknown file-based threats.

Web / DNS Security

Services provide protection against web-based threats including DNS-based threats, malicious URLs, and botnet/command and control communications. DNS filtering provides full visibility into DNS traffic while blocking high-risk domains, and protects against DNS tunneling, DNS infiltration, C2 server ID and Domain Generation Algorithms (DGA). URL filtering leverages a database of 300M+ URLs to identify and block links to malicious sites and payloads.

SaaS and Data Security

Services address numerous security use cases across application usage as well as overall data security. This consists of Data Leak Prevention (DLP) which ensures data visibility, management and protection (including blocking exfiltration) across networks, clouds, and users, while simplifying compliance and privacy implementations. Separately, our Inline Cloud Access Security Broker (CASB) service protects data in motion, at rest, and in the cloud.

Zero-Day Threat Prevention

Zero-day threat prevention entails Fortinet’s AI-based inline malware prevention, our most advanced sandbox service, to analyze and block unknown files in real-time, offering subsecond protection against zero-day and sophisticated threats across all NGFWs.

OT Security

The service provides OT detection, OT vulnerability correlation, virtual patching, OT signatures, and industry-specific protocol decoders for overall robust defense of OT environments and devices.


Secure Any Edge at Any Scale

Traditional firewalls cannot protect against today’s content- and connection-based threats because they rely on off-the-shelf hardware and general-purpose CPUs, causing a dangerous performance gap. Fortinet’s custom SPU processors deliver the power you need to detect emerging threats and block malicious content while ensuring your network security solution does not become a performance bottleneck.

ASIC Advantage
  • Combines RISC-based CPU with proprietary Security Processing Unit for unmatched throughput
  • Delivers industry’s fastest application identification and steering for efficient business operations
  • Accelerates IPsec VPN performance for best user experience on direct internet access
  • Enables best-of-breed NGFW Security and Deep SSL Inspection with high performance
  • Extends security to access layer to enable SD-Branch transformation with accelerated switch and access point connectivity

Use Cases

Next Generation Firewall (NGFW)

  • FortiGuard Labs’ suite of AI-powered Security Services—natively integrated with your NGFW—secures web, content, and devices and protects networks from ransomware and sophisticated cyberattacks
  • Real-time SSL inspection (including TLS 1.3) provides full visibility into users, devices, and applications across the attack surface
  • Fortinet’s patented SPU (Security Processing Unit) technology provides industry-leading high-performance protection

Secure SD-WAN

  • FortiGate WAN Edge powered by one OS and unified security and management framework and systems transforms and secures WANs
  • Delivers superior quality of experience and effective security posture for work-from-anywhere models, SD-Branch, and cloud-first WAN use cases
  • Achieve operational efficiencies at any scale through automation, deep analytics, and self-healing

Universal ZTNA

  • Control access to applications no matter where the user is and no matter where the application is hosted for universal application of access policies
  • Provide extensive authentications, checks, and enforce policy prior to granting application access – every time
  • Agent-based access with FortiClient or agentless access via proxy portal for guest or BYOD

Hardware

FortiGate 120G / 121G Series

Interfaces

  1. 1x RJ45 Console Port
  2. 2x RJ45 HA and Management Ports
  3. 16x GE RJ45 Ports
  4. 4x 10GE SFP+ FortiLink Slots
  5. 8x GE SFP Ports
Dual Power Supplies

Power supply redundancy is essential in the operation of mission-critical networks. The FortiGate 120G Series offers dual built-in non-hot swappable power supplies.

Access Layer Security

FortiLink protocol enables you to converge security and network access by integrating the FortiSwitch into the FortiGate as a logical extension of the NGFW. These FortiLink-enabled ports can be reconfigured as regular ports as needed.

Specifications

Technical Specifications

Hardware Specifications 9
FortiGate 120G FortiGate 121G
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 u2013 1 x 480 GB SSD
Trusted Platform Module (TPM) Yes Yes
Bluetooth Low Energy (BLE) Yes Yes
System Performance u2014 Enterprise Traffic Mix 3
FortiGate 120G FortiGate 121G
IPS Throughput 5.3 Gbps
NGFW Throughput 3.1 Gbps
Threat Protection Throughput 2.8 Gbps
System Performance and Capacity 21
FortiGate 120G FortiGate 121G
Firewall Throughput (1518 / 512 / 64 byte UDP packets) 39 / 39 / 28 Gbps
Firewall Latency (64 byte UDP packets) 3.17 u03bcs
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 2,000
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) 2,100
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 5,000
High Availability Configurations Active-Active, Active-Passive, Clustering
Dimensions 4
FortiGate 120G FortiGate 121G
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 13
FortiGate 120G FortiGate 121G
Input Rating 100-120VAC, 1A-0.5A Max, 50-60Hz
Redundant Power Supplies Yes (Default dual non-swappable AC PSU for 1+1 Redundancy)
Maximum Current 100VAC@1A, 120V@0.5A
Power Consumption (Average / Maximum) 38 W / 40 W 43 W / 47 W
Heat Dissipation 138 BTU/hr 159 BTU/h
Operating Temperature 32u00b0u2013104u00b0F (0u00b0u201340u00b0C)
Storage Temperature -31u00b0u2013158u00b0F (-35u00b0u201370u00b0C)
Humidity 20%u201390% noncondensing 10u201390% non-condensing
Noise Level 49 dBA
Air Flow Side to back
Operating Altitude Up to 10,000 ft (3,048 m)
Compliance FCC Part 15B, Class A, CE, RCM, VCCI, UL/cUL, CB, BSMI
Certifications USGv6/IPv6

Products

Fortinet Products

FortiGate 121G Base Appliance
FortiGate-121G Firewall 18 Gigabit Ethernet RJ45 & 8 SFP Ports, 4 10GE SFP+ Slots, SP5 Acceleration, 480 GB SSD onboard storage, Dual AC Power #FG-121G
FortiGate-121G Hardware plus FortiCare Premium and FortiGuard Unified Threat Protection (UTP)
Includes: Hardware Unit, FortiCare Premium Ticket Handling, Advanced Hardware Replacement (NBD), Firmware and General Upgrades, UTP Services Bundle plus term of contract
FortiGate-121G Hardware plus 1 Year FortiCare Premium and FortiGuard Unified Threat Protection (UTP) #FG-121G-BDL-950-12
FortiGate-121G Hardware plus 3 Year FortiCare Premium and FortiGuard Unified Threat Protection (UTP) #FG-121G-BDL-950-36
FortiGate-121G Hardware plus 5 Year FortiCare Premium and FortiGuard Unified Threat Protection (UTP) #FG-121G-BDL-950-60
FortiGate-121G Advanced Threat Protection
IPS, Advanced Malware Protection Service, Application Control, and FortiCare Premium
FortiGate-121G 1 Year Advanced Threat Protection (IPS, Advanced Malware Protection Service, Application Control, and FortiCare Premium) #FC-10-F121G-928-02-12
FortiGate-121G 3 Year Advanced Threat Protection #FC-10-F121G-928-02-36
FortiGate-121G 5 Year Advanced Threat Protection #FC-10-F121G-928-02-60
FortiGate-121G Unified Threat Protection (UTP)
IPS, Advanced Malware Protection, Application Control, URL, DNS & Video Filtering, Antispam Service, and FortiCare Premium
FortiGate-121G 1 Year Unified Threat Protection (UTP) #FC-10-F121G-950-02-12
FortiGate-121G 3 Year Unified Threat Protection (UTP) #FC-10-F121G-950-02-36
FortiGate-121G 5 Year Unified Threat Protection (UTP) #FC-10-F121G-950-02-60

Pricing Notes:

  • Hardware plus FortiCare Premium and FortiGuard Enterprise Protection Hardware Unit, FortiCare Premium Ticket Handling, Advanced Hardware Replacement (NBD), Firmware and General Upgrades, Enterprise Services Bundle (IPS, AI-based Inline Malware Prevention, Advanced Malware Protection, Inline CASB Database, Data Loss Prevention, Application Control, URL, DNS & Video Filtering, Antispam, Attack Surface Security, and FortiConverter Service) plus term of contract
  • Hardware plus FortiCare Premium and FortiGuard Unified Threat Protection (UTP) Hardware Unit, FortiCare Premium Ticket Handling, Advanced Hardware Replacement (NBD), Firmware and General Upgrades, UTP Services Bundle (IPS, AV, Botnet IP/Domain, Mobile Malware, FortiGate Cloud Sandbox including Virus Outbreak and Content Disarm & Reconstruct, Application Control, URL, DNS & Video Filtering and Antispam Service) plus term of contract
  • Enterprise Protection (IPS, AI-based Inline Malware Prevention, Inline CASB Database, DLP, App Control, Adv Malware Protection, URL/DNS/Video Filtering, Anti-spam, Attack Surface Security, Converter Svc, FortiCare Premium) FortiCare Premium Ticket Handling, Advanced Hardware Replacement (NBD), Firmware and General Upgrades, Enterprise Services Bundle (IPS, AI-based Inline Malware Prevention, Advanced Malware Protection, Inline CASB Database, Data Loss Prevention, Application Control, URL, DNS & Video Filtering, Antispam, Attack Surface Security, and FortiConverter Service)
  • Unified Threat Protection (UTP) (IPS, Advanced Malware Protection, Application Control, URL, DNS & Video Filtering, Antispam Service, and FortiCare Premium) FortiCare Premium Ticket Handling, Advanced Hardware Replacement (NBD), Firmware and General Upgrades, UTP Services Bundle (IPS, AV, Botnet IP/Domain, Mobile Malware, FortiGate Cloud Sandbox including Virus Outbreak and Content Disarm & Reconstruct, Application Control, URL, DNS & Video Filtering and Antispam Service)
  • Advanced Threat Protection (IPS, Advanced Malware Protection Service, Application Control, and FortiCare Premium) FortiCare Premium Ticket Handling, Advanced Hardware Replacement (NBD), Firmware and General Upgrades, Advanced Threat Protection Bundle (IPS, AV, Botnet IP/Domain, Mobile Malware, FortiGate Cloud Sandbox including Virus Outbreak and Content Disarm & Reconstruct Service, Application Control)
  • FortiCare Essential Support FortiCare Essential Ticket Handling, Hardware Replacement, Firmware and General Upgrades, Application Control
  • FortiCare Premium Support FortiCare Premium Ticket Handling, Advanced Hardware Replacement (NBD), Firmware and General Upgrades, Application Control
  • FortiCare Elite Support FortiCare Premium Support with FortiCare Elite Ticket Handling.
  • Prices are for one year of Premium RMA support. Usual discounts can be applied.
  • Annual contracts only. No multi-year SKUs are available for these services.
  • Contact Fortinet Renewals team for upgrade quotations for existing FortiCare contracts.
  • Pricing and product availability subject to change without notice.

FAQ

Common Questions

Can't find what you're looking for? Reach out and our team will be happy to help.

The FortiGate 121G adds 1 x 480 GB onboard SSD storage to the 120G for extended local logging, compliance reporting, and event retention. All performance, connectivity, and security specifications are identical.

The FortiGate 121G uses Fortinet's SP5 ASIC, delivering 5.3 Gbps IPS throughput, 35 Gbps IPsec VPN throughput, and 3 Gbps SSL inspection throughput u00e2u20acu201d significantly higher than previous-generation F-series models.

Choose the 121G if your deployment requires on-box log storage for compliance, forensics, or event retention without relying solely on external logging solutions such as FortiAnalyzer or FortiGate Cloud.

For enterprise deployments, the UTP bundle or Enterprise Protection bundle is recommended, covering IPS, antivirus, web filtering, application control, antispam, and FortiCare Premium. The Enterprise Protection bundle additionally includes DLP, AI-based malware prevention, and CASB.

Description

The FortiGate 121G extends the 120G with 480 GB onboard SSD storage for local logging and compliance reporting, delivering converged NGFW and SD-WAN with 5.3 Gbps IPS throughput, 35 Gbps IPsec VPN, and SP5 ASIC acceleration.

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