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OPNsense hardware router for VPN, firewall

Although OPNsense can be virtualized like an ordinary operating system, a 'real firewall' should always run on physical hardware, as network performance makes the difference. See below our hardware recommendation for OPNsense.


OPNsense hardware Recommendation

The following overview shows OPNsense minimum requirements which are nowadays only recommended in a test environment. For a productive deployment you better follow our hardware recommendation for OPNsense.

For exact sizing of OPNsense hardware depending on your individual requirements please contact us, we will find the right hardware for you.

OPNsense hardware


Recommendation (2022)
CPU1.5 GHz multi core, 64-bit
RAM4 GB
Hard disk120 GB SSD
Network3x Gigabit Ethernet

Minimum requirements (not officially)
CPU1 GHz multi core
RAM2 GB
Hard disk40 GB
Network2x Ethernet




Hardware configuration and prices

The hardware we provide is tested with OPNsense. The table shows the measured TCP throughput, with associated CPU and network card after the default installation.

Before you order the hardware, you can configure it with more: RAM, CPU, hard drives, network cards, etc. For your questions, for a test unit for compatibility/performance, or for a custom PDF quote write to us.
SBR234 configurator
Throughput950 Mbit
CPUIntel J4005
Network adapterIntel 82576
SBR741 configurator
Throughput9.40 Gbit
CPUIntel G6400
Network adapterIntel X550-T2
SBR706 configurator
Throughput9.40 Gbit
CPUIntel E3-1220V6
Network adapterIntel X550-T2


Updated on: 2022-09-24

OPNsense software

OPNsense is an open source, FreeBSD based firewall and routing platform. It includes most of the features available in expensive commercial firewalls. OPNsense is a fork of the well-known open source firewall pfSense which split off in 2015 due to licensing disagreements.
The development is free and open, based on the BSD license, that allows everyone to use, modify, close, and commercially distribute.

OPNsense is FreeBSD-based firewall and routing software developed by Deciso, a Dutch company. The distribution is very popular in Europe and widespread.


Hardware for OPNsense

The hardware we offer is tested with OPNsense for compatibility and TCP throughput. The table above shows the measured TCP throughput after the default installation.

OPNsense can be installed on any compatible hardware by the customer. The hardware with usual UEFI BIOS can boot over the network or from a USB stick. If you wish, we can deliver the hardware with pre-installed OPNsense.

In standard Firewall hardware is available as mini PC (aluminum case) and rack version 19 inch 1U , see pictures.


OPNsense Router Appliance - Mini-PC

Mini-PC für Open Source Firewall full aluminum case 211x254x86mm







OPNsense Router Appliance - 19inch 2U

2x Server in 19inch 2U Rack 483x300x88mm, very quiet







OPNsense Router Appliance- 19inch 1U

19inch 1U Server 483x250x44mm for Open Source Firewall









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