Noctua NH-U12DX Xeon Heatsink
During the 10 minute idling period, the Xeon 5060 cooled by the Dynatron heatsink had an average temperature just over 44°C. The system temperature was about 33°C.
When switching to the Noctua NH-U12DX, the average temperature started out over 40°C but ended up around 36~38°C. The system temperature was also lower at 27°C or 28°C.