Roon's update sounds really good

There's no way to get a network receiver in a device that isn't noisy. It happens. However, I agree that the cable itself can be a source of RFI/EMI interference, so it's good to route it away from analog interconnects and power cables.

I would imagine however that Ethernet, lacking an actual RF tranciever, would be easier to design a low noise interface to, but I've never had to do it.  I would take this information into consideration, but not without some skepticism. :)

The Ethernet cable is [also] a big problem. It runs long and can pick up low-frequency noise which cannot be filtered out.

It’s balanced, twisted, shielded, ground isolated. If it wasn’t perfect most offices wouldn’t function.

Hello, 
I appreciate the insight. Is there a DAC that filters the WiFi signal well. I actually stream from Sonos over WiFi into a Emotiva DAC. It sounds really good to me. Later I would like to get into Roon or Tidal. 

Wireless works Just fine as long as there is sufficient bandwidth.

this looks like a good solution to remove any potential noise in an ethernet connected device. it essentially converts the ethernet signal to optical (which is noise free) and then back again to ethernet at the source.

https://www.audiostream.com/content/sonore-opticalmodule-review