Fortinet FG-81F

Overview

The Fortinet FG-81F is a hardware security appliance designed to protect branch offices and mid-size businesses with enterprise-grade defenses while maintaining a quiet and compact presence. Powered by Fortinet’s SOC4 chip, it delivers firewall throughput up to 10 Gbps and keeps latency as low as 4 microseconds, ensuring fast and responsive network performance even during intensive security inspections. Its fanless desktop design fits neatly on shelves or racks without adding noise or heat, making it suitable for office environments where space and quiet operation matter.

This appliance supports extensive VPN capabilities, including up to 2,500 IPsec tunnels and 200 SSL VPN users, while managing as many as 1.5 million concurrent sessions. With eight dedicated LAN ports and two combo WAN ports, it offers flexible connectivity options for wired devices and redundant internet links. The included USB 3.0 port enables quick backups and 4G/5G modem failover, enhancing network reliability.

Key features

• High-performance SOC4 processor that balances speed and low latency for smooth application delivery under heavy security loads
• Fanless desktop chassis that operates silently and reduces heat, ideal for noise-sensitive office spaces
• Robust VPN support with thousands of IPsec tunnels and hundreds of SSL VPN users to secure remote and hybrid workforces
• Multiple LAN and WAN ports to connect wired devices and provide internet redundancy or fiber connectivity
• USB 3.0 port for fast configuration backups and emergency 4G/5G modem failover to maintain uptime
• Comprehensive three-year FortiCare support and FortiGuard threat protection to keep security updates and expert assistance readily available
• Integration-ready with FortiAP wireless access points, FortiToken multi-factor authentication, and virtual domains for scalable network growth

Key specs

• Firewall throughput: up to 10 Gbps
• Latency: approximately 4 microseconds
• SSL inspection throughput: 715 Mbps
• IPsec VPN throughput: up to 6.5 Gbps
• SSL VPN throughput: up to 950 Mbps
• Maximum IPsec VPN tunnels: 2,500
• Maximum SSL VPN users: 200
• Concurrent TCP sessions: up to 1.5 million
• Ports: 8 LAN, 2 combo RJ-45/SFP WAN, 1 USB 3.0
• Chassis: fanless desktop design
• Support: 3 years FortiCare and FortiGuard included

Connectivity and compatibility

The FG-81F offers versatile connectivity options to fit diverse network setups. Its eight dedicated LAN ports accommodate wired desktops, printers, and servers, while the two combo WAN ports support either RJ-45 copper or SFP fiber connections, allowing for flexible internet sourcing and failover configurations. The USB 3.0 port provides an additional option for quick configuration backups or connecting 4G/5G modems to ensure continuous internet access during outages.

Designed to integrate seamlessly with Fortinet’s ecosystem, it supports FortiAP wireless access points for expanding Wi-Fi coverage, FortiToken for enhanced multi-factor authentication, and virtual domains to segment and manage network resources efficiently. This makes it a strong choice for businesses that anticipate growth or require layered security controls.

Performance and reliability

Equipped with the SOC4 chip, the FG-81F delivers high throughput and low latency, which translates into fast and reliable network performance even when deep security inspections are active. Its ability to handle up to 1.5 million concurrent TCP sessions ensures stable operation under heavy traffic loads, making it suitable for busy branch offices or mid-size enterprises.

The fanless design not only reduces noise but also minimizes mechanical failure points, contributing to long-term reliability. Coupled with FortiCare support and FortiGuard threat intelligence, the appliance stays updated against emerging threats and benefits from expert assistance, reducing downtime and maintenance efforts.

Ideal uses and environments

The Fortinet FG-81F fits well in branch offices, remote sites, and mid-size business environments where strong security is essential but space and noise constraints limit the use of larger rack-mounted appliances. It supports a mix of on-site and remote users through extensive VPN capabilities, making it suitable for organizations with hybrid work models.

Its quiet operation and compact footprint make it a practical choice for office desks or small equipment racks, while its robust throughput and session capacity ensure it can handle demanding network traffic without compromising security or performance.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, with tags, manuals, accessories, and original, unaltered packaging. Any item kept will be deducted from the refund. Start a return by sending us an email. Items sent back without approval may be refused or returned to the sender.

Some items are not returnable: opened TVs/combos/monitors 37″+, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method; allow 5–7 business days for the credit to post. Shipping, handling, customs duties, and import taxes are nonrefundable. If an item is used, incomplete, or not in original condition, a 30% restocking fee may apply. Direct exchanges are not offered; purchase the replacement and return the original for a refund.

We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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