Added value of separate server?

I run Roon core in an iMac.  Files I've ripped or downloaded, along with those from Tidal, are sent via ethernet to an Ayre QX-5 Twenty DAC that connects to a KX-5 Twenty preamp.  That setup seems able to deliver superb sound, e.g., the DSD file of "Take Five" downloaded from Acoustic Sounds sounds a bit superior to the SACD played using my Ayre C-5xeMP.  What value might there be to adding something like an Aurender N10 streamer?

db