Sophos Firewall Size Calculator

Calculator Definitions:

Environment Size: 
Basic - No Server, No IPS Protection Required
Advanced - 1-2 Servers, Mostly Windows PCs
Complex - 2 or More Servers, Various Operating Systems, browsers, and apps

User Types:
Standard - Most Employees, Work in-office, standard system usage
Advanced - Managerial Employees, Hybrid/WFH, in-depth system usage
Power - IT Employees with broad systems access, Hybrid/WFH, in-depth system usage and creations.