It's just a bit of wire. Dress it up in fancy sleeving and bung posh plugs on it if you like and hint at all sorts of unsubstantiated effects, but it's still just a bit of wire.
As for 'noise floor', that's an unquantified term. The S/N ratio of a piece of equipment or the system, is what is meant I think.
Folk can spend their hard earned money any way they choose, but none of mine would be heading in the direction of an overpriced wire.
It is impossible for anything digital to sound analogue, because it isn't analogue!