Help with skeleton 90 build

[nc12mc]

Hello,
I am trying to put together my first build and this is what i have so far. Antec Skeleton 90 - ASrock H67M-ITX/HT - Intel core i3 processor. Is the 90w power supply in the skeleton gonna power everything or can I gut out the power supply and run a Thermaltake TR2 Series 600 Watt ATX Power Supply mounted on the outside of the case so I can do upgrades down the road?

 

[angaddev]

The i3 alone will draw about 90W, so no,.

 

[nc12mc]

what about using the 600w atx power supply mounted on the outside of the skeleton

 

[angaddev]

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