ML30 Gen10 - noise from power supply

[oSAlj]

Hi,

I launched my ML30 GEn10 server for the first time yesterday.

When I plugged the power cord into the power supply, I started to hear such a soft squeak. It is quiet, but manoeuvrable in the room.

I pulled out the power supply and plugged in the power cord and I can still hear this sound and it comes from the power supply.

Its normal or I need buy new power supply?

[Ihaqueit]

If redundant power supply running check one by one and if sound still better to replace to new one.

Please share the part or model no of power supply.

[Spencer235]

Power supply noise is the difference between the local voltage references of the driver and the receiver. ... Power supply noise is a dominant factor in the design of wide domino circuits and in circuits using contention where the alternating current (ac) logic level is shifted with respect to power supply rails.