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Fortinet FortiGate 40F compact desktop SD-WAN appliance
Fortinet FG-40F
5G firewall
throughput
800M NGFW
threat protection
ZTP provisioning
zero touch deployment
WiFi variant
FortiWiFi 40F option
Authorised Reseller
📦 Free UK Delivery
🔒 Full Warranty
📞 24/7 Support
Key Specifications
ModelFortiGate 40F (FG-40F)
Firewall Throughput5 Gbps
NGFW Throughput800 Mbps
IPS Throughput1 Gbps
SSL-VPN Throughput900 Mbps
Interfaces2x WAN GE RJ45, 1x DMZ, 5x internal GE RJ45, 2x FortiLink
Max Concurrent Sessions700,000
Max FortiAPs30
+6 more specs below ↓
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Download Official Datasheet
PDF · Official manufacturer document
FortinetSKU: FG-40F

Fortinet FortiGate 40F Secure SD-WAN

Compact Secure SD-WAN for Small Branch

The Fortinet FortiGate 40F delivers Secure SD-WAN, NGFW, and Zero Trust Network Access in a compact fanless desktop appliance — purpose-built for small branch offices needing enterprise-grade security and intelligent WAN path selection at an SMB price point.

  • 5 Gbps firewall throughput in compact desktop form factor
  • 800 Mbps NGFW threat protection with FortiGuard AI services
  • Integrated Secure SD-WAN — no separate licence required
  • Fanless, silent operation — no moving parts
  • WiFi variant available (FortiWiFi 40F)
  • FortiOS — unified networking and security OS
  • Zero Touch Provisioning for branch deployment
  • FortiManager/FortiAnalyzer centralised management

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Key Features

Everything you need in one device

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Integrated Secure SD-WAN

SD-WAN capability is built directly into FortiOS and every FortiGate 40F — no additional licence, no extra hardware, no separate SD-WAN appliance to manage. Intelligent path selection across multiple WAN links (MPLS, broadband, 4G) with real-time performance monitoring, automatic failover, and application-aware routing.

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NGFW & FortiGuard AI Security

Full Next-Generation Firewall with AI-powered FortiGuard security services: IPS, application control, web filtering, anti-malware, and DNS security. All delivered from Fortinet's global threat intelligence network and updated in real time. Unified policy management for both security and SD-WAN from a single FortiOS interface.

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Fanless Desktop Form Factor

The FortiGate 40F is completely silent — no fans, no moving parts. Ideal for open office environments, reception areas, retail locations, and any deployment where fan noise is unacceptable. The compact form factor fits in a standard network cabinet or sits on a desk without consuming rack space.

Zero Trust Network Access

Universal ZTNA capability is included in FortiOS at no extra cost. Granular application-level access control based on user identity, device posture, and location — enforcing least-privilege access for both on-premises and remote users without requiring a separate ZTNA gateway.

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WiFi Variant Available

The FortiWiFi 40F includes an integrated dual-band 802.11ac (WiFi 5) access point, eliminating the need for a separate wireless AP in small branch deployments. The wireless interface is managed alongside the wired network through the same FortiOS policy framework.

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Zero Touch Provisioning

Deploy FortiGate 40F units to remote branches without sending a skilled engineer. Pre-staging via FortiManager creates a provisioning template; the device self-configures on first boot using its serial number for identification. Entire branch network setup completes automatically with no on-site configuration.

About the FortiGate 40F

The Fortinet FortiGate 40F is a compact, fanless desktop appliance that delivers the complete Fortinet Secure SD-WAN stack — intelligent WAN path selection, Next-Generation Firewall, SSL inspection, Universal ZTNA, and FortiGuard AI-powered security — in a single device purpose-designed for small branch office and retail deployments.

Unlike competitor SD-WAN solutions that require separate security appliances or additional licences for security features, the FortiGate 40F runs FortiOS — Fortinet's unified operating system that treats SD-WAN, firewall, IPS, web filtering, and ZTNA as integrated capabilities under a single policy engine. Branch administrators manage all network and security functions from one interface, with zero per-feature licencing complexity.

Fortinet's purpose-built Security Processing Unit (SPU) provides hardware-accelerated inspection, enabling the 40F to deliver 800 Mbps NGFW threat protection without compromising throughput — significantly higher performance than software-only SD-WAN appliances in the same price bracket. The fanless design eliminates the primary failure point in small form-factor networking hardware, extending mean time between failures in branch environments where on-site support is limited.

For larger deployments, FortiManager provides centralised SD-WAN orchestration across all branches — enabling consistent policies, bulk provisioning, analytics, and reporting across hundreds of FortiGate 40F sites from a single management interface. FortiAnalyzer adds granular traffic analytics, application visibility, and compliance reporting across the entire SD-WAN fabric.

Technical Specifications

ModelFortiGate 40F (FG-40F)
Firewall Throughput5 Gbps
NGFW Throughput800 Mbps
IPS Throughput1 Gbps
SSL-VPN Throughput900 Mbps
Interfaces2x WAN GE RJ45, 1x DMZ, 5x internal GE RJ45, 2x FortiLink
Max Concurrent Sessions700,000
Max FortiAPs30
Form FactorCompact fanless desktop
WiFi VariantFortiWiFi 40F — integrated dual-band 802.11ac
SD-WANIntegrated in FortiOS — no extra licence
ZTNAUniversal ZTNA — included in FortiOS
ManagementFortiOS GUI/CLI; FortiManager; FortiCloud; REST API
Target UseSmall branch, retail, remote office (1–25 users)
📄 Download Datasheet (PDF)
Use Cases

Ideal for a wide range of deployments

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Retail Branch Networking

Dual WAN links (fibre + 4G backup) with SD-WAN failover. PCI DSS compliant NGFW with integrated web filtering. FortiWiFi 40F provides customer and staff WiFi without a separate AP investment.

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Small Office / Remote Branch

Deploy across distributed SMB locations with Zero Touch Provisioning. FortiManager centralises policy across all sites. Single box handles SD-WAN, NGFW, VPN, and ZTNA with no per-feature licence complexity.

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Cellular/LTE Primary or Backup

FortiGate 40F integrates with 4G USB modems for LTE failover or primary connectivity, providing SD-WAN-managed path selection across fibre, broadband, and cellular in locations without fixed-line infrastructure.

FAQ

Frequently Asked Questions

Q. Does the FortiGate 40F require a separate SD-WAN licence?

No. SD-WAN capability is built into FortiOS and included with every FortiGate appliance at no additional cost. There is no separate SD-WAN licence or subscription required to enable SD-WAN features on the FortiGate 40F. Advanced FortiGuard security subscription services (IPS, web filtering, anti-malware) are purchased separately.

Q. How does the FortiGate 40F compare to the FortiGate 60F?

The FortiGate 40F is positioned for the smallest branches (typically up to 25 users), while the 60F targets branches up to ~50 users with higher concurrent connection capacity (1.5M vs 700K). Both include integrated SD-WAN, NGFW, and FortiGuard services. The 60F also adds additional GE ports and typically includes a USB WAN port for LTE modem connectivity.

Why Servnet

Why buy from Servnet?

Trusted UK IT reseller since 2003 — supplying businesses of all sizes with genuine, competitively priced technology.

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Authorised UK Reseller

Servnet is an authorised IT reseller with direct access to leading product lines at competitive pricing.

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Expert Pre-Sales Advice

Our engineers will help you select the right product and advise on compatibility with your existing infrastructure.

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Fast UK Delivery

Most products ship from UK stock. Express delivery available for urgent deployments.

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Genuine, Warranted Kit

All products are genuine, brand-new, with full manufacturer warranty and RMA support.

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Configuration Services

We can pre-configure your hardware before shipping — reducing on-site deployment time and cost.

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24/7 Support

Post-sale support from our certified engineers. We're here if anything goes wrong.

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