Hello,
this is information is only correct up to Cubase 9.5.
This very thread was started to collect impressions on how Cubase 10 works on machines with 14+ cores, as it no longer addresses resources like 9.5 and earlier did.
The article dealing with the MMCSS issue has been also updated with the sentence quoted below: https://helpcenter.steinberg.de/hc/en-us/articles/115000535804-Windows-10-audio-dropouts-on-multi-core-CPU-setups