Thanks! The library has around 127,000 tracks. the router is the linksys EA4500 and it is dedicated. does not have anything else connected to it other than the NAS and the player! All connected with CAT 7 Cables. So technically not a problem here! But I think I will try another router and see if I still have these issues.
So what is the current recommended NUC for this now?
The Series 5 NUCās seem to be EOL, now a newer 6 Series is the goā¦ BOXNUC6i7KyK3 according to the local NUC distributor here in Singapore
Hey guys. Just a quick question on Roon Optimised Core Kit (and I apologise if itās already been answered).
Due to lack of Ethernet connectivity in my listening room, I connect my microRendu directly to my 6th Gen Intel NUC. This works really well and was actually pretty straightforward to configure. I just downloaded a DHCP server package for Ubuntu, configured a quick scope & told it to service the LAN interface only. I then connect the mR to the LAN port (no crossover cable needed), it picks up an IP address from the DHCP scope & immediately shows up in Roon as an audio device. The NUC then connects to my home Wi-Fi for Roon Remote and copying music to the library. The only slight drawback is that I occasionally have to unplug the mR & attach it to my home router in order to do firmware updates.
I really like the minimalist, low-maintenance approach of ROCK but wonder if my mR will still work in this configuration, as I wonāt be able to do things like run a small DCHP scope anymore? Of course there are other ways to get Ethernet connectivity to the mR in my listening room but the solution I have works really well for me & Iām loathe to add extra elements where they are not needed.
Ultimately itās no problem for me to continue to run Roon on Ubuntu. It would just be nice to simplify things even further with ROCK!
Many thanks,
Grant
Hi Grant,
Intriguing solution, using a DHCP server effectively as a switch. Unfortunately you are correct that ROCK wonāt run the DHCP server; itās a dedicated OS for Roon Server only. Not sure what advantage you would get from ROCK, your current system seems to suit your needs. You could try a physical switch if you wanted to try it out.
Love the name change to ROCK btw. 
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Hi Andy,
Thanks for the clarification, much appreciated. Youāre right, thereās nothing wrong with my current setup. As the NUC is solely dedicated to Roon however, it would be nice to have the OS as lean & maintence free as possible.
I think I actually do have a spare gigabit switch laying around somewhere, so I can certainly give that a try. Not quite sure how the IP addressing would work though (in the absence of a DHCP server). Will ROCK allow me to set a static IP address on the LAN interface?
Congratulations on a fantastic product BTW. Very much looking forward to all the 1.3 goodness!
You could either re purpose an old router and use itās DHCP server, or add a two or more port bridge (often sold as gaming adapters or wireless range extenders) and add internet connectivity. Often routers can be configured to work as bridges.
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My accountabt and I both wish I could take some credit for Roon, but Iām just a volunteer moderator user (full price life member). Itās the devs vision and a mighty fine one it is.
ROCK has no access points open to users. You wonāt be able to SSH in. It will update as required automagically.
So not sure where the LAN interface you refer to is. If on a physical switch or a bridge, dont see why not. If running on the NUC, no because no LAN interface is accessible under ROCK.
UPDATE: Iāve moved the contents of this post to a KB article that i plan to keep up to date:
http://kb.roonlabs.com/Roon_Optimized_Core_Kit
What else do you want to know? Ask questions, Iāll update this list, and delete your question
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Thank you @danny . This is the exact type of post we need as delays occur so we have an idea as to how to plan.
Press on.
Thank you, I now feel confident in buying a Nuc.
see my note at the end of the pageā¦ you might want to waitā¦ we will give you notice so you have time to buy hardware before we release, and we have a surprise for you that may (or may not) be interestingā¦
Darn it! What can the surprise be? I already bought a NUC in anticipation of ROCKā¦
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if I order before midnight it will be delivered tomorrow at 9.00/10.00 am. Thereās a huge pile of NUCs 
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Hi, a very stupid questionā¦ where I can download Roon Optimized Core Img ?
tnks so much
Not available yet, soon.
Russ
Dare I ask about a release date? I know itās only been 16 days but that feels like a lifetime when waiting for something as exciting as this !
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You can ask but the only answer you will get is it will be released when it is released.
Perhaps a brief update of status will be greatly appreciated by many of us since this topic had been mostly silent after the hint of a āsurpriseā.
Some had been waiting a bit more than 16 days 
I just hope ROCK doesnāt end up following the same development pattern as the 2nd generation Honda (Acura) NSX. ā¦ announced in 2007, on sale in 2016.