Question
My customer wants to purchase a AS4020C-T Server, but he is concerning about the noise level of this server. Can you tell me what the noise decibel level of this server is?
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Answer
That depends on the speed of the onboard Fans. To customize the Fan Speed Mode, please go to BIOS à Advanced Settings Menu à System Fan Monitor. Here are the information for the noise decibel level you will get on the different modes.

Fan Speed Mode
Application
Sound Level (dBA)





4-pin SuperQuiet Workstation
Optimized for extremely quiet operation with sufficient cooling for light application load.
38


4-pin Quiet Workstation
Low-noise setting for light-to-medium application load.
42


3-pin / 4-pin Workstation
Balance of noise reduction and cooling for medium-to-high application load.
46


3-pin / 4-pin Server
High fan speed for high-level application loads (server apps, multiple add-on devices, etc.)
50


Disabled
(Full fan speed @ 12V)
Full fan speed for regular chassis. No noise control.
50+
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