Here is a comprehensive breakdown of the differences between MikroTik RouterOS Level 4 and Level 5. 1. The Core Differences at a Glance
A critical caveat exists: The Cloud Hosted Router (CHR) version of RouterOS uses a different pricing and feature matrix. On CHR, L4 is limited to 1 Gbps throughput, and L5 is limited to 2 Gbps. However, for physical hardware (RB, CCR, or x86 installations), there is no hard bandwidth cap. I have personally routed 3.5 Gbps of NAT traffic through an L4 RouterOS installation on a Dell R620. The license did not stop the traffic; the CPU did. This reveals an important truth: routeros l4 vs l5