SSD and RAM upgrade for Nucleus Plus?

Roon Server Machine

Nucleus Plus, Intel i7, 8 GB RAM

Networking Gear & Setup Details

EE router to English Electric 8 port switch via ethernet using Chord C stream cables.

Connected Audio Devices

AudioLab AH 9000A via USB and
Marantz AV7706 via HDMI

Number of Tracks in Library

10000 max

Description of Issue

Roon is frequently unresponsive and freezes if using the Roon app. I have a ROCK (i7 with 32GB RAM) also which is lighting quick with no issues over the app.

I am wondering if I can swap out the SSD that the OS is installed on for a faster SSD in the Nucleus plus? What type of SSDs can I install for the OS, what spec and how can I do it?

I am also wondering if I need more RAM in the Nucleus plus? It has the original 8GB. It is also much slower to boot than the ROCK I have. Please can you advise of the types of RAM that can be installed, maximum size and maximum speed?

More RAM in a Nucleus does not make it faster, like Roon has explained on the forum a thousand times. It crashes if it has insufficient RAM

As for the SSD, my understanding is that the database and the OS runs entirely from RAM, in which case SSD speed shouldn’t have an effect after the system has fully loaded, but it would have an effect on boot speed

Are the two machines in different environments? Are they running different databases?

I updated my rev a nucleus not + model to faster ssd m.2 not SATA and 16gb ram with a 300k track database and it’s performance is fine…it’s an i3 7th gen chip

Hi @millarda1971,

There is likely an underlying cause if you’re experiencing a performance decline at that library size on your Nucleus+.

What Roon Remote device are you using when you experience freezing? When this occurs, does playback stop, or is it limited to the UI/visual component? Playback stoppage can act as the litmus test for whether Roon Remote or RoonServer is the failing component here.

We need to create conditions for a binary test by eliminating network variables. Bypass the ethernet switch entirely and hardwire the Nucleus+ to the router, along with any networked endpoints.

Do you experience any symptoms in that network topology?

If so, does changing the file type have any impact? What about removing or adding DSP?

The team will enable diagnostic mode in the meantime, so we can capture logs from troubleshooting and gain more illumination into the problem.

The good and bad news, as @Suedkiez pointed out, is that RAM is not the issue. There’s another problem plaguing the Nucleus+ or the ecosystem around it.

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