I have an Intel NUC running Roon ROCK, with 8GB of RAM. I am planning to add in another 16GB. I’m trying to see where it shows how much RAM is installed (so I can check it has seen the upgrade), but I can’t figure out how to do this. The ROCK main page only shows how much of the data storage is used, amongst a few other things.
Does your ROCK crash? If not, then adding more RAM does nothing.
You can see the current amount of RAM in the NUC‘s BIOS.
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RoonOS, as installed by ROCK, does not report available RAM.
You may be able to see the RAM reported in the BIOS if you connect a keyboard and monitor.
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You can check in the BIOS settings of the NUC. Restart it with a screen and keyboard and hit F2 (check this as it may be a different key depending on manufacturer) during boot to get into the BIOS settings.
Thanks all. A bit of a hassle having to lug monitors about just to see the RAM. Shame ROCK doesn’t show it. I’ll try that later. @Suedkiez - I have had intermittent issues with crashing. I’m not sure if it’s the RAM. I have a fairly large library and reading around it is suggested to increase from 8GB. It was a cheap upgrade anyway!
In this case, increasing the RAM is at least valuable for ruling out a possible cause for the crashes 
You said “add in another 16GB”, does this mean you have one 8Gig card and you are adding a 16 Gig card? If so, Intel says this “We highly recommend that you purchase memory as a matched pair.” Not only does this help to ensure the memory cards “play nice” with each other it also means the memory bus runs in dual channel mode vs single channel which speeds it up a little.
Also, I would suggest bringing the NUC to the monitor rather than “having to lug” the monitor to the NUC?
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Ah, interesting. So I’d be better off just replacing the 8GB card with the 16GB card, rather than adding it in?
It’s best to use 2x 4, 2x 8, or 2x 16GB, of the same type. Though the speed gains aren’t big.
How many RAM modules are already installed in the NUC? You say it has 8 GB at the moment. Does that mean 1x8 or 2x4 gb?
You’ll always want to look for a pair of matching RAM modules. So if you want to upgrade to 16 gb of RAM get a kit of 2x8.
1 x 8GB already installed.
Then you’ll best be looking for a matching 8 gb module.
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Not swap it for 2 16GB modules?
Depends on the size of your library. More than 16 GB is only necessary for gigantic libraries, but on the other hand it doesn’t cost a lot, so you might just decide to be safe. Just keep in mind that more RAM does nothing for making Roon OS faster.
It does depend on the size of your library. My MacBook Pro handles my 76k tracks / 6.8k album library with ease with 8 gb of RAM. 81k was also not a problem, but decided to drop Tidal so my library shrunk a little bit.
As I recall Roon recommends 16 gb of RAM if your library size grows over 10k albums or 100k tracks.
To be precise, for 100 to ~250K tracks, they recommend 8 GB for Roon in addition to the RAM used by the base OS and any other apps. So that’s 16 GB for general-purpose OSes like macOS, but with ROCK one can probably go far beyond 100K with 8 GB. And with ROCK, 16 GB should be enough to go far beyond 250K tracks. As per Danny’s quote above, he recommended 32 GB for someone with 500K tracks just to be sure.
The above comes from:
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I think you have answered your own question in the first sentence. You have 8GB installed. ROON can tell you how much of the 8GB you are using.
How does Roon tell me how much of the 8GB I am using?
Roon OS doesn’t
Robert said Roon can tell you how much of the 8GB you are using.