@Alexandre. Our internet maxes out at about 130Mbps, so we should be fine with the M4. Which is a good thing, because they were delivered on Friday! 😁 The managed switch I selected is a listed...

This 3-unit Deco system will replace an existing home network. The current configuration is: Fibre-optic box ----> via ethernet to ISP's router ----> via ethernet to Apple Time Capsule (upstairs)...