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Fortinet FortiGate 91E
Enterprise-Grade Protection for Smaller Networks

Fortinet FortiGate 91E

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The Fortinet Enterprise Firewall Solution

The Fortinet Enterprise Firewall Solution delivers end-to-end network security with one platform, one network security operating system and unified policy management with a single pane of glass - for the industry's best protection against the most advanced security threats and targeted attacks.

Security Fabric Integration


FortiGate 90E/91E

FortiGate 90E/91E


  1. USB Management Port
  2. Console Port
  3. 2x GE RJ45 WAN Ports
  4. 2x GE RJ45 DMZ/HA Ports
  5. 12x GE RJ45 Ports

Install in Minutes with FortiExplorer

The FortiExplorer wizard enables easy setup and configuration coupled with easy-to-follow instructions. FortiExplorer runs on popular mobile devices like Android and iOS. Using FortiExplorer is as simple as starting the application and connecting to the appropriate USB port on the FortiGate. By using FortiExplorer, you can be up and running and protected in minutes.

3G/4G WAN Extensions

The FortiGate 90/91E includes USB ports that allow you to plug in a compatible third-party 3G/4G USB modem, providing additional WAN connectivity or a redundant link for maximum reliability.

Compact and Reliable Form Factor

Designed for small environments, you can simply place the FortiGate 90/91E on a desktop. It is small, lightweight yet highly reliable with superior MTBF (Mean Time Between Failure), minimizing the chance of a network disruption.

Built-in Fan

The FortiGate 90/91E comes with a built-in fan for additional reliability and is suitable for enclosed environment.



Control all the security and networking capabilities across the entire FortiGate platform with one intuitive operating system. Reduce operating expenses and save time with a truly consolidated next generation security platform.


  • A truly consolidated platform with one OS for all security and networking services for all FortiGate platforms.
  • Industry-leading protection: NSS Labs Recommended, VB100, AV Comparatives and ICSA validated security and performance.
  • Control thousands of applications, block the latest exploits, and filter web traffic based on millions of real-time URL ratings.
  • Detect, contain and block advanced attacks automatically in minutes with integrated advanced threat protection framework.
  • Solve your networking needs with extensive routing, switching, WiFi, LAN and WAN capabilities.
  • Activate all the ASIC-boosted capabilities you need on the fastest firewall platform available.


FortiGuard Security Services

FortiGuard Labs offers real-time intelligence on the threat landscape, delivering comprehensive security updates across the full range of Fortinet's solutions. Comprised of security threat researchers, engineers, and forensic specialists, the team collaborates with the world's leading threat monitoring organizations, other network and security vendors, as well as law enforcement agencies:

  • Real-time Updates - 24x7x365 Global Operations research security intelligence, distributed via Fortinet Distributed Network to all Fortinet platforms.
  • Security Research - FortiGuard Labs have discovered over 170 unique zero-day vulnerabilities to date, totaling millions of automated signature updates monthly
  • Validated Security Intelligence - Based on FortiGuard intelligence, Fortinet's network security platform is tested and validated by the world's leading third-party testing labs and customers globally.

FortiCare Support Services

Our FortiCare customer support team provides global technical support for all Fortinet products. With support staff in the Americas, Europe, Middle East and Asia, FortiCare offers services to meet the needs of enterprises of all sizes:

  • Enhanced Support - For customers who need support during local business hours only.
  • Comprehensive Support - For customers who need around- the-clock mission critical support, including advanced exchange hardware replacement.
  • Advanced Services - For global or regional customers who need an assigned Technical Account Manager, enhanced service level agreements, extended software support, priority escalation, on-site visits and more.
  • Professional Services - For customers with more complex security implementations that require architecture and design services, implementation and deployment services, operational services and more.

Enterprise Bundle

FortiGuard Labs delivers a number of security intelligence services to augment the FortiGate firewall platform. You can easily optimize the protection capabilities of your FortiGate with the FortiGuard Enterprise Bundle. This bundle contains the full set of FortiGuard security services plus FortiCare service and support offering the most flexibility and broadest range of protection all in one package.


FortiGate 90E FortiGate 91E
Hardware Specifications
GE RJ45 Ports 16 16
USB Ports 1 1
Console (RJ45) 1 1
Internal Storage - 128 GB
System Performance
Firewall Throughput 4.0 Gbps
Firewall Latency (64 byte UDP packets) 182 μs
Firewall Throughput (Packets Per Second) 375 Kpps
Concurrent Sessions (TCP) 1.2 Million
New Sessions/Second (TCP) 27,500
Firewall Policies 5,000
IPsec VPN Throughput (512 byte packets) 160 Mbps
Gateway-to-Gateway IPsec VPN Tunnels 200
Client-to-Gateway IPsec VPN Tunnels 1,000
SSL-VPN Throughput 95 Mbps
Concurrent SSL-VPN Users (Recommended Maximum) 200
IPS Throughput (HTTP / Enterprise Mix) 1 950 / 440 Mbps
SSL Inspection Throughput 2 300 Mbps
Application Control Throughput 3 450 Mbps
NGFW Throughput 4 350 Mbps
Threat Protection Throughput 5 210 Mbps
CAPWAP Throughput 6 2.2 Gbps
Virtual Domains (Default / Maximum) 10 / 10
Maximum Number of FortiAPs (Total / Tunnel Mode) 32 / 16
Maximum Number of FortiTokens 100
Maximum Number of Registered FortiClients 200
High Availability Configurations Active / Active, Active / Passive, Clustering
Height x Width x Length (inches) 1.7 x 8.5 x 7.0
Height x Width x Length (mm) 43.9 x 216 x 178.5
Weight 2.884 lbs (1.308 kg) 2.917 lbs (1.323 kg)
Form Factor Desktop
Power Required 100-240V AC, 60-50 Hz (External DC Power Adapter)
Maximum Current 100V AC / 1.5A 240V AC / 0.75A
Power Consumption (Average / Maximum) 22.8 W / 27.36 W 23.7 W / 28.44 W
Heat Dissipation 77.7936 BTU/h 80.8644 BTU/h
Operating Temperature 32-104°F (0-40°C)
Storage Temperature -31-158°F (-35-70°C)
Humidity 20-90% non-condensing
Noise Level 38.8 at 25°C @ 1m (Maximum: 40 dB at 25°C)
Operating Altitude Up to 7,400 ft (2,250 m)
Safety FCC Part 15 Class B, C-Tick, VCCI, CE, UL/cUL, CB
ICSA Labs: Firewall, IPSec, IPS, Antivirus, SSL VPN; USGv6/IPv6
Note: All performance values are "up to" and vary depending on system configuration. IPsec VPN performance is based on 512 byte UDP packets using AES-256+SHA1.
1. IPS performance is measured using 1 Mbyte HTTP and Enterprise Traffic Mix.
2. SSL Inspection is measured with IPS enabled and HTTP traffic, using TLS v1.2 with AES256-SHA.
3. Application Control performance is measured with 64 Kbytes HTTP traffic.
4. NGFW performance is measured with IPS and Application Control enabled, based on Enterprise Traffic Mix.
5. Threat Protection performance is measured with IPS and Application Control and Malware protection enabled, based on Enterprise Traffic Mix.
6. CAPWAP performance is based on 1444 byte UDP packets.


Download the Fortinet FortiGate 90/91E Series Data Sheet (PDF).

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Pricing Notes:

Fortinet Products
Unified Threat Protection (UTP) (24x7 FortiCare plus Application Control, IPS, AV, Web Filtering and Antispam, FortiSandbox Cloud)
FortiGate-91E 1 Year Unified Threat Protection (UTP) (IPS, Advanced Malware Protection, Application Control, Web & Video Filtering, Antispam Service, and 24x7 FortiCare)
List Price: £1,301.83
Our Price: Request a Quote
FortiCloud Management, Analysis and Log Retention
FortiGate-91E 1 Year FortiGate Cloud Management, Analysis and 1 Year Log Retention
List Price: £371.95
Our Price: Request a Quote
24x7 FortiCare Contract
FortiGate-91E 1 Year 24x7 FortiCare Contract
List Price: £371.95
Our Price: Request a Quote
FortiGate-91E Services
FortiGate-91E 1 Year FortiGuard IPS Service
List Price: £371.95
Our Price: Request a Quote
FortiGate-91E 1 Year FortiGuard Industrial Security Service
List Price: £371.95
Our Price: Request a Quote
FortiGate-91E 1 Year Advanced Malware Protection (AMP) including Antivirus, Mobile Malware and FortiGate Cloud Sandbox Service
List Price: £371.95
Our Price: Request a Quote
FortiGate-91E 1 Year FortiGuard Web & Video Filtering Service
List Price: £557.93
Our Price: Request a Quote
Fortinet FortiGate-91E Threat Protection
FortiGate-91E 1 Year Advanced Threat Protection (IPS, Advanced Malware Protection Service, Application Control, and 24x7 FortiCare)
List Price: £836.89
Our Price: Request a Quote
Fortinet FortiGate-91E Fortiguard Security Audit Update Service
FortiGate-91E 1 Year FortiGuard Security Rating Service
List Price: £371.95
Our Price: Request a Quote
Fortinet FortiGate-91E ASE FortiCare (24x7 plus Advanced Services Ticket Handling)
FortiGate-91E 1 Year ASE FortiCare (24x7 plus Advanced Services Ticket Handling)
List Price: £464.94
Our Price: Request a Quote
Fortinet FortiGate-91E Enterprise Protection (24x7 FortiCare plus Application Control, IPS, AV, Web Filtering, Antispam, FortiSandbox Cloud, Industrial Security, Security Rating, and FortiConverter Svc)
FortiGate-91E 1 Year Enterprise Protection (IPS, Advanced Malware Protection, Application Control, Web Filtering, Antispam, Security Rating, Industrial Security, FortiConverter Svc, and 24x7 FortiCare)
List Price: £1,580.80
Our Price: Request a Quote