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Forum Discussion
fan speed on Ultra 4 / OS6
I've recently installed OS6 (v 6.2.3 T1741) on my Readynas Ultra 4. The fan is quite loud: running at 2700 RPM which seems unneccesary at 77 F / 25C. This post though http://www.readynas.com/forum/...
mdgm wrote: The Ultra 4 fan does have a higher minimum fan speed than some other legacy models.
May I ask why? Is it because some of the Ultra4 models lack a separate cooling fan for the PSU and thus needs more airflow to keep it safe? Ultra2 has an external power brick, Ultra6 has its own fan for the power supply...
Personally I have modded my (fanless) Ultra4 PSU with an additional, quiet 40mm fan.
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