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CustoMac Mini Deluxe - 550w PSU necessary?

Joined
Feb 27, 2011
Messages
7
Motherboard
GA-Z170MX-Gaming 5
CPU
i7-6700k
Graphics
EVGA GTX 970 SC
Hi guys,

Apologies if I'm being a newb, it's my first build.

I'm looking to put together a CustoMac Mini Deluxe, based off the suggested parts list from March/April.

My question is this: Do I need to get a 550w PSU? When I threw all the parts into a couple of sites, its expected that I'll only be using 330-350 watts.

If there's something I'm missing, I'd be happy to get 550w if it's actually necessary, but is 400w enough wiggle room, as I'm looking to get a nice quiet PSU and the more Watts the more expensive things get.

Again, sorry if I'm missing something glaringly obvious.
 

trs96

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If your graphics card will be modest in it's power draw then 450W will be enough. The higher rated PSU (550) will leave room for future upgrades with higher end graphics.
 
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