I'm told a conversion to run Roon and use the MD600 as a NAS is possible but I've not had it done yet. I suggest you contact our friends at MrTechGuy for the details. If you have it done please do report back.

Main: MD600 > 818v3, Stax T8000/SR-X9000, SME 15/IV, PS Audio Stellar Phono, Musical Fidelity A3cr power amp, Dynaudio Special 40s.
Study: MD600 > Moon 300D, Stax SRM-3/Lambda Classic.