Power Supply for a music PC


I am having a friend put together a PC for my music. Is there a better power supply I can have him install in the PC?
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IF you can find a Paul Haynes design linear power supply you will be golden. I have a large one running my Mac Mini and it is awesome. The power supply of my Empirical Audio DAC has a Paul Haynes regulated pwer supply also. Try adn find one.
"04-04-15: Ctsooner
IF you can find a Paul Haynes design linear power supply you will be golden. I have a large one running my Mac Mini and it is awesome."

I'm not familiar with those power supplies. What makes them better? Also, given the fact that you use a Mac Mini, suggests that its an external unit. Do they make ones that conform to ATX?
Thanks for all of the ideas. I will look into the different units. For a music only machine how many watts are needed?
If you are only using the PC for music, then you don't need things like powerful video cards that use a lot of power. I use a Corsair RM750, and that's probably way more than what I really need. A 550 or 650 should be more than enough.