Best Server To Run Roon Core

@jmarshak
I had the lumin u1 , comparing the lumin with the wolf streamer, using the t+a sd3100 hv dac , the lumin lacked in every aspect . The sound stage was smaller , the bass was not clean and defined , the high was harsher with less detail . The wolf sounded more organic , the highs were not echy, the vocals were whole and the bass very defined and clean.
Comparing the wolf with the statement, the bass was very similar , the mid was slightly less focused through the statement and the high lacked a tiny detail through the statement.
I have played diff formats in comparing the statement and wolf including dsd 512 and the results have been consistent. Hope this helps .
you can contact joe Parvey he is always looking forward to talking to you .

@newtoncr, 

You have a beautiful system. Thanks for your feedback. 
Enjoy! 

@jmarshak  --- your Esoteric K-01 is a SACD/CD player but it is also a USB & S/PDIF DAC. You can get a Roon Ready streamer that has USB out to your K-01. That streamer can be anything (depending on how much money you want to spend), including something like what I mentioned earlier, Sonore microRendu or ultraRendu. Then you Server (Roon Core on roon's lingo) will stay in a different machine, such as NUC, Nucleus.

That's the two-piece solution Roon often recommends. But only because people tend to use noisy general purpose computers as both Core and Endpoint, which degrades the sound. If you do use a great one-piece solution, optimized for audio, such as the Wolf or Innuos mentioned above, you certainly can, it's definitely a (good) option.

@newtoncr - thank you for sharing your experience and findings. Very helpful. I actually wonder how the Lumin X1 would compare with Wolf and Statement.

@thyname - I understand what you are saying. Splitting server and renderer is recommended mainly to isolate both sides from cross process noises and I well built single chassis machine should be able to handle isolation better internally.

This is an option of course.

I don't think you ever specified a budget.
If the rest of your system isn't $35k or above, you'd be hard pressed to do better on sound quality that the Innuous Zenith Mark III,  It's stunningly good and you can rip your entire CD collection with it.  It also handles USB audio output to your DAC, which IMO, is the best.