Software appliance

You can deploy the Sophos Firewall software appliance on custom hardware over Windows and macOS systems.

Prerequisites
Table 1. Minimum hardware requirements

Hardware

Specification

Network interface cards

2

RAM

4 GB minimum

HDD or SSD

10 GB minimum

64 GB recommended

USB pen drive

1 GB

If you don't meet the minimum requirements for new installations of SFOS 18.0, or if you're migrating from an earlier version, Sophos Firewall goes into fail-safe mode.

Warning Configure the vCPU and vRAM based on the purchased license. Don't exceed the maximum number of vCPUs specified in the license.