Building a Music Server

davenrk

Well-Known Member
Nov 27, 2020
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I am trying to understand how to build a music server.

My final doubt is the following:
A PC motherboard contains VRMs, or buck converters (switch regulators), to convert 12V to 1.4V and 1V (and possibly other voltages?) for the CPU and various other chips.
Even if you change the ATX supply, you still have the switch regulators on the motherboard....
If you have low ripple power supply 10mV? but the MOBO regulators aren't so much "noisy" and produce a lot of ripple, the benefit of a LPS is canceled.
Or am I wrong?

So, my question is:
1) Do the MOBO VRM benefit anyway from a LPS?

2) How to choose a MOBO in order to have the best VRM and the lower ripple?

thanks
 
There are certainly commercial MoBos that advertise “better” components (caps and PSU related parts) (SOTM audio)

There exist commercially available linear PSUs that will power a modern MoBo. (HDPlex)

There exist companies that provide custom “PCs” with varying amounts of custom circuit boards, power supplies, etc. (several)

YMMV with results in your system.

Agree that a perusal of the music server threads at audiophilestyle.com might be useful.
 

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