On a Mac (should similarly work on Windows). From ‘Finder’ > Go to Server’ > (type) ‘smb://rock’.

Your Roon storage contents appears on screen.

With your new bare bones SSD connected to your Mac/PC via USB, open the SSD icon for its (blank) contents to appear.

Then, drag the contents from your Roon Rock folder to the empty window of your mounted (new) SSD.

Once completed, swap the SSD’s.

Job done.

Not an Actor, nor married to Jamie-Lee Curtis.

#1: DSP5200SE|DSW.2|218|210|506.2|504
#2: Prime/PSU|SOtM sMS-200 Mini NEO SE|Focal Stellia
#3: Other stuff