Will a 500w PSU cut it?

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DoubleDLV

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Jan 16, 2014
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Hey, so recently i ordered a new fully assembled computer, but the thing is I don't know if the PSU will cut it, since it's only 500w

SPECS:
Intel I5 4440 - With Cooler Master tx3 evo
Gigabyte GA-B85M-D3H
8gb ram
GeForce GTX 770
Corsair Builder CX500 ATX2.3 80+
 
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Looks like usage would be a little high but it would probably work just fine. Assuming the card peaks at about 230 watts or so, and the rest of your machine is probably around 100, you'd be hitting about 330 . . . the PSU is rated at about 408, which puts you using about 80% of it's capacity. Generally you'd want to stick in the 50-70% range for longevity, efficiency, and headroom.
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Traciatim

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Nov 11, 2006
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Looks like usage would be a little high but it would probably work just fine. Assuming the card peaks at about 230 watts or so, and the rest of your machine is probably around 100, you'd be hitting about 330 . . . the PSU is rated at about 408, which puts you using about 80% of it's capacity. Generally you'd want to stick in the 50-70% range for longevity, efficiency, and headroom.
 
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DoubleDLV

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Jan 16, 2014
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I see, but how long would it last if it's using around 80% all the time?

 
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Traciatim

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That's like asking, how long would a car last if I drive it 500 miles a day... some of them will last to 500k, some of them 200k... It really depends on so many things that no one can accurately answer that. The better option is probably just switch out to a PSU that's higher rated on it's 12v lines, possibly higher overall rated like a 550 or 600 watt supply so you wouldn't have to think about it.


 
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