@danny, I run Roon on Windows 10 using full-time DSD256 oversampling.
With the “cool” fan setting in BIOS, I spiked last night at 95c while stress testing (i.e., just letting Roon run) overnight. When I awoke this morning, the breaker on my PSAudio Dectet had tripped, the NUC current draw being the only likely explanation for that.
In normal use, I run consistently at 60c and, frequently, to about 87c. The 95c in one core was a new development last night, but several of the other cores had hit 92c. I use redundant temperature checks, so I am confident that these readings are pretty accurate.
There is no issue with ambient temperature. The unit sits, exposed, on top of a desk in a below-grade basement in San Francisco. I doubt it was even 70f down there last night.
A commenter on another of my threads, @Henry_McLeod, suggested that this particular CPU in this particular NUC might not be ideal for Roon. In my desire to buy the latest and greatest (for no more money than the superseded NUC 8), I might have shot myself in the foot for this application.
I wonder what temps other NUC 10 users are getting or if there actually is a defect with this unit. (Just for comparison’s sake, running Roon with the same DSP settings on my daily driver desktop Dell XPS8930, current gen “full-size” i7 with 16gb ram, I also routinely was in the 65c range, often hitting 85c. I bought the NUC because I thought I might get lower temps from a lower-powered CPU on a dedicated server.)
Is DSD256 just a huge job for systems without aftermarket cooling?