The controllers for the USB and Ethernet are separated on the Pi 4. May avoid some clicks and skips you can (sometimes) get with the Pi 3. But it’s also unnecessarily faster and hotter. So those are the trade-offs.
The controllers for the USB and Ethernet are separated on the Pi 4. May avoid some clicks and skips you can (sometimes) get with the Pi 3. But it’s also unnecessarily faster and hotter. So those are the trade-offs.