Elite Technology Based

FortiGate Security Firewall 3500F and 3501F

The FortiGate Security Firewall 3500F Fortinet FG 3500F series delivers high performance next generation firewall (NGFW) capabilities for large enterprises and service providers.

With multiple high-speed interfaces, high-port density, and high-throughput, ideal deployments are at the enterprise edge, hybrid data center core, and across internal segments.



The FortiGate Security Firewall 3500F Fortinet FG 3500F series delivers high performance Next Generation Enterprise firewall (NGFW) capabilities for large enterprises and service providers.

With multiple high-speed interfaces, high-port density, and high-throughput, ideal deployments are at the enterprise edge, hybrid data center core, and across internal segments.

Leverage industry-leading IPS, SSL inspection, and advanced threat protection to optimize your network’s performance.

Fortinet’s Security Driven Networking approach provides tight network integration to the new security generation.


  • Identifies thousands of applications inside network traffic for deep inspection and granular policy enforcement
  • Protects against malware, exploits, and malicious websites in both encrypted and non-encrypted traffic
  • Prevent and detect against known and unknown attacks using continuous threat intelligence from AI-powered FortiGuard Labs security services

FortiGate Security Firewall 3500F Performance

  • Delivers industry’s best threat protection performance and ultra-low latency using purpose-built security processor (SPU) technology
  • Provides industry-leading performance and protection for SSL encrypted traffic


  • Independently tested and validated best security effectiveness and performance
  • Received unparalleled third-party certifications from NSS Labs

FortiGate Security Firewall 3500F Networking

  • Delivers advanced networking capabilities that seamlessly integrate with advanced layer 7 security and virtual domains (VDOMs) to offer extensive deployment flexibility, multi-tenancy and effective utilization of resources
  • Delivers high-density, flexible combination of various high-speed interfaces to enable best TCO for customers for data center and WAN deployments


  • Includes a management console that is effective, simple to use, and provides comprehensive network automation and visibility
  • Provides Zero Touch Integration with Security Fabric’s Single Pane of Glass Management
  • Predefined compliance checklist analyzes the deployment and highlights best practices to improve overall security posture

FortiGate Fortinet Next Generation Security Firewall 3500FFG 3500F

Security Fabric

  • Enables Fortinet and Fabric-ready partners’ products to provide broader visibility, integrated end-to-end detection, threat intelligence sharing, and automated remediation

FortiGate Security Firewall 3500F Interfaces

  1. 2x 10GE/ GE RJ45 Management Ports
  2. 2x 25GE SFP28/ 10GE SFP+ HA Slots
  3. 30x 25GE SFP28/ 10GE SFP+/ GE SFP Slots
  4. 6x 100 GE QSFP28 / 40 GE QSFP+ Slots

Powered by SPU

  • Fortinet’s custom SPU processors deliver the power you need to detect malicious content at multi-Gigabit speeds
  • Other security technologies cannot protect against today’s wide range of content- and connection based threats because they rely on general-purpose CPUs, causing a dangerous performance gap
  • SPU processors provide the performance needed to block emerging threats, meet rigorous third-party certifications, and ensure that your network security solution does not become a network bottleneck

FortiGate Security Firewall 3500F Network Processor

Fortinet’s new, breakthrough SPU NP6 network processor works inline with FortiOS functions delivering :

  • Superior firewall performance for IPv4/IPv6, SCTP and multicast traffic with ultra-low latency down to 2 microseconds
  • VPN, CAPWAP and IP tunnel acceleration
  • Anomaly-based intrusion prevention, checksum offload and packet defragmentation
  • Traffic shaping and priority queuing

Content Processor

Fortinet’s ninth generation custom SPU CP9 content processor works outside of the direct flow of traffic and accelerates the inspection

Hyperscale Firewall License

Empower organizations by unlocking further performance boosts with this perpetual license.

The Hyperscale Firewall License will enable the hardware acceleration of CGNAT features by utilizing the latest SPU NP7.

These features include hardware session setup, firewall session logging, and NAT.

Trusted Platform Module (TPM)

The FortiGate 3500F Series features a dedicated module that hardens physical networking appliances by generating, storing, and authenticating cryptographic keys.

Hardware based security mechanisms protect against malicious software and phishing attacks.

Security Fabric

The industry’s highest-performing cybersecurity platform, powered by FortiOS, with a rich ecosystem designed to span the extended digital attack surface, delivering fully automated, self-healing network security.

  • Broad : Coordinated detection and enforcement across the entire digital attack surface and lifecycle with converged networking and security across edges, clouds, endpoints and users
  • Integrated : Integrated and unified security, operation, and performance across different technologies, location, deployment options, and the richest Ecosystem
  • Automated : Context aware, self-healing network & security posture leveraging cloud-scale and advanced AI to automatically deliver near-real-time, user-to-application coordinated protection across the Fabric

FortiOS Operating System

FortiOS , Fortinet’s leading operating system enable the convergence of high performing networking and security across the Fortinet Security Fabric delivering consistent and context-aware security posture across network endpoint, and clouds.

The organically built best of breed capabilities and unified approach allows organizations to run their businesses without compromising performance or protection, supports seamless scalability, and simplifies innovation consumption.

The release of FortiOS 7 dramatically expands the Fortinet Security Fabric’s ability to deliver consistent security across hybrid deployment models consisting on appliances, software and As-a-Service with SASE, ZTNA and other emerging cybersecurity solutions.

Next Generation Firewall (NGFW)

  • Reduce the complexity and maximize your ROI by integrating threat protection security capabilities into a single high-performance network security appliance, powered by Fortinet’s Security Processing Unit (SPU)
  • Full visibility into users, devices, applications across the entire attack surface and consistent security policy enforcement irrespective of asset location
  • Protect against network exploitable vulnerabilities with Industry-validated IPS security effectiveness, low latency and optimized network performance
  • Automatically block threats on decrypted traffic using the Industry’s highest SSL inspection performance, including the latest TLS 1.3 standard with mandated ciphers
  • Proactively block newly discovered sophisticated attacks in real-time with AI-powered FortiGuard Labs and advanced threat protection services included in the Fortinet Security Fabric


  • Segmentation that adapts to any network topology, delivering end-to-end security from the branch level to data centers and extending to multiple clouds
  • Reduce security risks by improving network visibility from the components of the Fortinet Security Fabric, which adapt access permissions to current levels of trust and enforce access control effectively and efficiently
  • Delivers defense in depth security powered by high-performance L7 inspection and remediation by Fortinet’s SPU, while delivering third party validated TCO of per protected Mbps
  • Protects critical business applications and helps implement any compliance requirements without network redesigns

Mobile Security for 4G, 5G and IOT

  • SPU accelerated, high performance CGNAT and IPv4 and IPv6 traffic, for 4G SGi LAN and 5G N6 security
  • RAN Access Security with highly scalable and best performing IPsec aggregation and control security gateway (SecGW)
  • User plane security enabled by full Threat Protection and visibility into GTP-U inspection
  • 4G and 5G security for user and data plane traffic SCTP, GTP-U/C and SIP that provides protection against attacks
  • 4G and 5G cores IoT signaling storm protection
  • High-speed interfaces to enable deployment flexibility

FortiGate Security Firewall 3500F IPS

  • Purpose-built security processors delivering industry validated IPS performance with high throughput and low latency
  • Deploy virtual patches at the network level to protect against network exploitable vulnerabilities and optimize network protection time
  • Deep packet inspection at wire speeds offers unparalleled threat visibility into network traffic including traffic encrypted with the latest TLS 1.3
  • Proactively block newly discovered sophisticated attacks in real-time with advanced threat protection provided by the intelligence services of the Fortinet Security Fabric

Secure Web Gateway (SWG)

  • Secure web access from both internal and external risks, even for encrypted traffic at high performance
  • Enhanced user experience with dynamic web and video caching
  • Block and control web access based on user or user groups across URL’s and domains
  • Prevent data loss and discover user activity to known and unknown cloud applications
  • Block DNS requests against malicious domains
  • Multi-layered advanced protection against zero-day malware threats delivered over the web

FortiGate Security Firewall 3500F Specifications

Interfaces and Modules

Hardware Accelerated 100 GE QSFP28 / 40 GE QSFP+ Slots : 6

Hardware Accelerated 25 GE SFP28 / 10 GE SFP+ / GE SFP Slots : 32

10GE/ GE RJ45 Management Ports : 2

USB Ports (Client / Server) : 1 / 1

Fortinet Next Generation FG 3500F Console Port : 1

Onboard Storage : 

  • FortiGate 3500F : –
  • FortiGate 3501F : 2x 2TB SSD

Trusted Platform Module (TPM) : Yes

Included Transceivers

  • FortiGate 3500F : 2x SFP+ (SR 10 GE)
  • FortiGate 3501F : –

System Performance Enterprise Traffic Mix

IPS Throughput : 72 Gbps

NGFW Throughput :  65 Gbps

Threat Protection Throughput : 63 Gbps

System Performance and Capacity

IPv4 Firewall Throughput (1518 / 512 / 64 byte, UDP) : 595 / 590 / 420 Gbps

IPv6 Firewall Throughput (1518 / 512 / 64 byte, UDP) : 595 / 590 / 420 Gbps

Firewall Latency (64 byte, UDP) : 2.98 μs

Firewall Throughput (Packet per Second) : 630 Mpps

Concurrent Sessions (TCP) : 140 Million / 348 Million

New Sessions/Second (TCP) : 1 Million / 5 Million

Fortinet Next Generation FG 3500F Firewall Policies : 200,000

IPsec VPN Throughput (512 byte) : 165 Gbps

Gateway-to-Gateway IPsec VPN Tunnels : 40,000

Client-to-Gateway IPsec VPN Tunnels : 200,000

SSL-VPN Throughput : 16 Gbps

Concurrent SSL-VPN Users (Recommended Maximum, Tunnel Mode) : 30,000

SSL Inspection Throughput (IPS, avg. HTTPS) : 55 Gbps

SSL Inspection CPS (IPS, avg. HTTPS) : 60,000

SSL Inspection Concurrent Session (IPS, avg. HTTPS) : 15 Million

Application Control Throughput (HTTP 64K) : 135 Gbps

CAPWAP Throughput (HTTP 64K) : 65 Gbps

Virtual Domains (Default / Maximum) : 10 / 500

Maximum Number of Forti Switches Supported : 300

Maximum Number of FortiAPs (Total / Tunnel) : 4,096 / 2,048

Maximum Number of Forti Tokens : 40,000

High Availability Configurations : Active / Active, Active / Passive, Clustering

FortiGate Security Firewall 3500FFG

FortiGate Security Firewall 3500F Dimensions and Power

Height x Width x Length (inches) : 3.5 x 17.4 x 21.9

Height x Width x Length (mm) : 89 x 443 x 556

FortiGate Security Firewall 3500F Weight :

  • FortiGate 3500F : 43.8 lbs (19.9 kg)
  • FortiGate 3501F : 45.3 lbs (20.6 kg)

Fortinet Next Generation FG 3500F Form Factor : Rack Mount, 2 RU

AC Power Supply : 100–240V AC, 50–60 Hz

Power Consumption (Average / Maximum) : 

  • FortiGate 3500F : 760 W / 1174 W
  • FortiGate 3501F : 765 W / 1181 W

AC Current (Maximum) : 12A 120V, 9A 240V

Heat Dissipation :

  • FortiGate 3500F : 4,006 BTU/h
  • FortiGate 3501F : 4,030 BTU/h

Redundant Power Supplies (Hot Swappable) : Yes, Hot Swappable

Operating Environment and Certifications 

Operating Temperature : 32–104°F (0–40°C)

Storage Temperature : -31–158°F (-35–70°C)

Humidity : 20–90% non-condensing

Noise Level : 53.5 dBA

Forced Airflow : Front to Back

Operating Altitude : Up to 7,400 ft (2,250 m)

Compliance : FCC Part 15 Class A, RCM, VCCI, CE, UL/cUL, CB

Certifications : ICSA Labs: Firewall, IPsec, IPS, Antivirus, SSL-VPN; USGv6/IPv6

Additional information


Item Type