Below is a table detailing the differences between Fortinet FortiGate sizes. The FG-VM01v should be suitable for most use cases. However, referencing this article will ensure that the FortiGate size chosen for your environment will have adequate resources to handle the demands placed on that environment.
| Feature | FG-VM01V | FG-VM02V | FG-VM04V | FG-VM08V |
|---|---|---|---|---|
| Stateful inspection throughput (maximum/UDP) | 12 Gbps | 13.7 Gbps | 19.1 Gbps | 30.8 Gbps |
| AES VPN throughput | 1 Gbps | 1.5 Gbps | 3 Gbps | 5.5 Gbps |
| Connections per second | 85,000 | 100,000 | 125,000 | 150,000 |
| New Sessions/sec | 85,000 | 100,000 | 125,000 | 150,000 |
| VLANs | 4094 | 4094 | 4094 | 4094 |
| IPsec VPN peers | 2,000 | 2,000 | 2,000 | 40,000 |
| SSL VPN user sessions | 1,000 | 2,000 | 4,500 | 10,000 |
| SSL VPN Throughput | 800 Mbps | 830 Mbps | 2 Gbps | 4.5 Gbps |
| Virtual CPUs (Max) | 1 | 2 | 4 | 8 |
| Memory | 2 GB | 4 GB | 8 GB | 16 GB |
| Minimum disk storage | 32 GB | 32 GB | 32 GB | 32 GB |
If Next-Generation Firewall (NGFW) features such as Application Control, IPS/IDS, and Threat Protection are enabled, you can expect the throughputs on the table below.
| Feature | FG-VM01V | FG-VM02V | FG-VM04V | FG-VM08V |
|---|---|---|---|---|
| IPS Throughput (Enterprise Traffic Mix) | 1 Gbps | 2 Gbps | 3.6 Gbps | 7.2 Gbps |
| IPS Throughput (1 Mbyte HTTP) | 3.5 Gbps | 5.4 Gbps | 8.8 Gbps | 15.5 Gbps |
| Application Control Throughput (64 Kbyte HTTP traffic) | 2 Gbps | 2.7 Gbps | 5.2 Gbps | 10.2 Gbps |
| NGFW Throughput | 850 Mbps | 1.5 Gbps | 2.9 Gbps | 5.9 Gbps |
| Threat Protection Throughput | 700 Mbps | 1.2 Gbps | 2.2 Gbps | 4.5 Gbps |