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Need some advice, please

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  • Power Supplies
  • Components
  • Product
Last response: in Components
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December 3, 2011 3:48:15 AM

I just built a computer for the very first time and I have a question about the power supply. I found a really cheap psu on newegg during the black friday sales and just went with it without doing too much research (dumb, i know)

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
is the unit I purchased

My build is:
i3-2100 @ 3.1ghz
8gb of ddr3 1600 ram
evga gtx 460 fermi superclocked 1g
sata hdd @ 7200 rpm
two 120mm fans, one 140mm fan

I found http://www.extreme.outervision.com/PSUEngine by searching on these forums, and the calculation it gave me was -
Minimum PSU Wattage: 361 W
Recommended PSU Wattage: 411 W

just not sure how reliable the site is or whatever, so if anyone could give me any thoughts about it, I would very much appreciate it.

More about : advice

a c 1218 ) Power supply
December 3, 2011 4:08:16 AM

Wattage is useless for determining if it's going to work. The PSU's combined +12 Volt continuous current rating specification is all that really matters.

For a system running with a single GeForce GTX 460 graphics card NVIDIA specifies a minimum of a 450 Watt or greater power supply with a combined +12 Volt continuous current rating of 24 Amps or greater and with at least two 6-pin PCI-Express supplementary power connectors.

Your Corsair Builder Series CX430 V2 (CMPSU-430CXV2), with its +12 Volt continuous current rating of 28 Amps is sufficient current-wise. Its one 6-pin PCI-Express supplementary power connector is deficient by one connector so you'll have to use a dual 4-pin Molex to 6-pin PCI-E power dongle that is usually included with EVGA graphics cards.
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December 3, 2011 4:21:41 AM

ko888 said:
Wattage is useless for determining if it's going to work. The PSU's combined +12 Volt continuous current rating specification is all that really matters.

For a system running with a single GeForce GTX 460 graphics card NVIDIA specifies a minimum of a 450 Watt or greater power supply with a combined +12 Volt continuous current rating of 24 Amps or greater and with at least two 6-pin PCI-Express supplementary power connectors.

Your Corsair Builder Series CX430 V2 (CMPSU-430CXV2), with its +12 Volt continuous current rating of 28 Amps is sufficient current-wise. Its one 6-pin PCI-Express supplementary power connector is deficient by one connector so you'll have to use a dual 4-pin Molex to 6-pin PCI-E power dongle that is usually included with EVGA graphics cards.


well, i know it works :p  i'm using it now.

but as i said, this is the first computer i've ever built. however, i've read about how having an insufficient psu can completely screw up your hardware and i just wanted to make sure that it would supply ample power during game or render sessions. (haven't had a chance to play anything yet)

thanks a lot for your answer <3 it's exactly what i was looking for.
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