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Power supply too powerful?


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#1
nixx

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I recently bought a 580wt duel fan ps for 33$ on newegg. too good to be true? yes, it sparked when i turned it on and i think either it or the mb is toast. im sending back the ps, but does anyone know a good one?
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#2
audioboy

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pretty much any of the name brand PSU's are solid choices. antec true series, like the 480 watt, are good and will last through the next upgrade cycle or two. many other name brands are good as well, I'm just spacing on their names at this moment...
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#3
nixx

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I returned that one (it was a coolermax or something) and got a 500wt aspire psu for about the same price, except 3 fans and cool looking green nets on the wires. so far so good, luckily, the mb survived :tazz:.
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#4
jrm20

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Ok, for one thing dont buy a powersupply that big for that cheap. Its not gonna be good hardware. It might be fine for what you need but if you ever upgrade to a new video card you need stable 12V rails for the 6800 gt's and above. A cheap powersupply like $33 for a 580watt is not gonna have enough juice in there rails as a premium quality 420 watt for example for $45. No it does not depend on the watts the power suppply lists, trust me. Im positive that 550 watt you bought is no true 550 watt. I have a thermaltake 420 watt and it is a true 420, cost me $45 i believe on www.newegg.com. It does not necessarily mean it has more power even if it lists a bigger wattage. If its cheap, its cheap, you get what you pay for.

Hope this helps you.
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#5
Virick214

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http://www.newegg.co...N82E16817163018

Is that the one you bought?

That is the one i got and it works great for me.

And how is 33$ a low price for a 580w PSU? I don't think the price really matters, especialy if it got really good reviews from everyone else that bought it.
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#6
nixx

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yes, that is it, yes, lotsa good reviews. when i plugged into the wall solo, it didnt light up or turn on or anything, and didn't work in my comp, so i think it is just defective. it is a low price tho.

Nixx
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#7
Virick214

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If it didn't work solo it is probably because you didnt have the green wire shorted out with the black wire right next to it. Most ATX PSU's have to have those to pins shorted out to turn solo, t's just to make sure it is plugged into a MB. I'm not sure why it wouldn't work in your pc though, it works great for me.
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#8
nixx

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[bleep] IT BLEW UP! must just be one of those 1 in a million defective...

Nixx
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#9
jrm20

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$33 is very cheap for a 580 watt. Powmax makes cheap hardware and cases.
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#10
miles_obrien

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You fellows might take a look at http://support.intel...b/CS-012037.htm
I don't think the place to save is the power supply.
For the new P4's an EPS/SSI power supply with dual 12 volt rails is what I would look for. Colored cables and fans are great, but I would rather have the power coming down the rails to my CPU and peripherals.
There is no free ride. Cheap rarely lasts, usually has little or no warranty and causes loads of damage.
Just my 10 cents.
Mike
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