Fortinet · Entry-level FortiGate
Fortinet FortiGate 90G
The Fortinet FortiGate 90G is a desktop firewall that runs FortiOS. Fortinet publishes a firewall throughput of 28 / 28 / 27.9 Gbps and a threat protection throughput of 2.2 Gbps for it. It has 8 x GE RJ45, 2 x 10GE shared port pairs. Versions: FortiGate 91G (storage).
- Firewall throughput
- 28 / 28 / 27.9 Gbps
- Threat protection
- 2.2 Gbps
- IPsec VPN
- 25 Gbps
- Form
- Desktop
Who it suits
As a desktop unit it suits a small office, a shop or a branch that has no server rack. With protection switched on, plan for an internet line of no more than about two-thirds of the threat protection throughput figure. For the FortiGate 90G that means a line of up to about 1.4 Gbps.
Fortinet FortiGate 90G specifications
| Performance | |
|---|---|
| Firewall throughput | 28 / 28 / 27.9 Gbps |
| IPS throughput | 4.5 Gbps |
| NGFW throughput | 2.5 Gbps |
| Threat protection throughput | 2.2 Gbps |
| IPsec VPN throughput | 25 Gbps |
| TLS inspection throughput | 2.6 Gbps |
| Maximum concurrent sessions | 3 million |
| New sessions per second | 124,000 |
| Hardware | |
| Form factor | Desktop |
| Ports | 8 x GE RJ45, 2 x 10GE shared port pairs |
| Storage | 120 GB on the 91G |
| Power supply | Single AC power supply, dual inputs |
| Versions sold | FortiGate 91G (storage) |
Specifications from Fortinet's published data, checked October 2026. See Fortinet's firewall pages. Throughput figures are each manufacturer's own published numbers. Manufacturers test in different ways, so compare across brands with care. Confirm details before ordering.
What we do with it
- Supply
Firewall supply and installation
The right-sized firewall from any of the five brands, with its licence, installed and configured at your site.
- Audit
Firewall configuration and audit
A review of your rules, firmware, admin access and VPNs, with the weak points fixed and written down.
- Renewal
Firewall licence renewal
Renewals for FortiGuard, Sophos, Palo Alto Networks, SonicWall and Juniper subscriptions, quoted from your serial number.
- Migrate
Firewall migration
Move from an old firewall to a new one, same brand or another, with the rules and VPNs carried over.
Questions about the FortiGate 90G
What internet speed can the FortiGate 90G handle?
Fortinet publishes a threat protection throughput of 2.2 Gbps for the FortiGate 90G. Leaving headroom for busy hours, that suits an internet line of up to about 1.4 Gbps with protection switched on. With inspection off, its firewall throughput is 28 / 28 / 27.9 Gbps.
What ports does the FortiGate 90G have?
8 x GE RJ45, 2 x 10GE shared port pairs.
How many connections can the FortiGate 90G handle?
Fortinet lists a maximum of 3 million concurrent sessions and 124,000 new sessions per second.
Does the FortiGate 90G need a licence?
The hardware works as a basic firewall on its own. Protection features such as intrusion prevention, web filtering and anti-malware need an active Fortinet subscription, and so do firmware updates and support. We quote the firewall with the licence term you choose.
Do you supply the FortiGate 90G with installation?
Yes. We supply it with its licence registered, install and configure it at your site, and hand over the logins and documentation. Ask for a quote on this page.
Similar Fortinet models
- Desktop
Fortinet FortiGate 70G
Firewall 10 / 10 / 10 Gbps, threat protection 1.3 Gbps
- Desktop
Fortinet FortiGate 50G
Firewall 5 / 5 / 4 Gbps, threat protection 1.1 Gbps
- Desktop
Fortinet FortiGate 80F
Firewall 10 / 10 / 7 Gbps, threat protection 900 Mbps
- Desktop
Fortinet FortiGate 70F
Firewall 10 / 10 / 6 Gbps, threat protection 800 Mbps
Closest models from other brands
Throughput figures are each manufacturer's own published numbers. Manufacturers test in different ways, so compare across brands with care.
- Desktop
Sophos XGS 88
Firewall 9.9 Gbps, threat protection 2 Gbps
- Desktop
Palo Alto Networks PA-540
Firewall 3.8 Gbps, threat protection 2.2 Gbps
- Desktop
SonicWall TZ580
Firewall 4.5 Gbps, threat protection 2.2 Gbps
- Desktop
Juniper SRX300
Firewall 1.9 Gbps, threat protection 200 Mbps (IPS)