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Would this PSU cut it?

Last response: in Graphics & Displays
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April 12, 2011 9:52:06 PM

I have this from what I can tell it should run 2x580s because the 580 stays under 300W at load, but I'm not exactly sure if it would be enough.

Running a single 965 BE, 4GBs of RAM and a single 750GB HDD too (not much power draw there)

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a c 214 U Graphics card
April 12, 2011 10:01:28 PM

No that won't cut it.I mean technically speaking the total system draw for a GTX580 SLI is 720watts but thats with a really good PSU that you can run it at 750watts.That PSU doesn't look like it's very reliable and it's also bad to run PSU's at their max for long periods of time.Before you know it in a couple months it could die and take everything with it.
Power Consumption:
http://www.guru3d.com/article/geforce-gtx-580-sli-revie...

I would reccomend getting a 850watt Antec,Corsair or anything that is more of a reliable brand.

Corsair 850watt $140=$130 after MIR + $6 Shipping
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Crosair 850watt(Modular) $165=$145 after MIR + $6 Shipping
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Seasonic 850watt $125 + $10 Shipping
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Personally i would get the Seasonic PSU.It's a very reliable brand and it's really cheap.

EDIT:My bad i've never heard of Power PC PSU's before,thoght it was a no name brand.I still think you should ugprade to a higher wattage PSU.
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a c 214 U Graphics card
April 12, 2011 10:34:09 PM

I don't think it would Bottleneck to bad.Stock speeds for the 965 is 3.4ghz.Just needs to O.C. to around 4ghz and should have no problems.
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a c 560 U Graphics card
April 12, 2011 11:07:23 PM

According to NVIDIA's own specifications each reference clocked GeForce GTX 580 has a Graphics Card Power of 244 Watts. This means it will draw up to 20.3 Amps from the +12 Volt rail(s). NVIDIA states that the minimum recommended power supply is one with 600 Watts and with a combined +12 Volt current rating of at least 42 Amps.

For two GeForce GTX 580 in 2-way SLI a power supply with at least 850 Watts and with a combined +12 Volt current rating of at least 62 Amps is recommended.

Power supply wattage is not the specification you should be focusing on. In modern desktop systems the CPU and graphics card(s) obtain all of their power from the +12 Volt rail(s) of the power supply. Make sure that the combined +12 Volt current output on power supply that you are intending to purchase meets or exceeds the recommended.

Power supplies should not be run at more than 80% of their actual maximum for any length of time.
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April 13, 2011 12:58:15 AM

Well if I upgrade my PSU I will want a nice one for later on and triple SLI.
So should I get a solid 1200W or 1000W?

I have my eye on this one
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a c 214 U Graphics card
April 13, 2011 1:41:29 AM

System power draw with x3 GTX580's is around 950watts.Getting a 1000watt PSU would be reccomended but i think 1200 would be optimal,nice to always have some headroom.
x3gtx580's Power Consumption=
http://www.guru3d.com/article/geforce-gtx-580-3-way-sli...

Corsair 1200watt(Modular) $280=$260 after MIR + Free Shipping
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Antec 1200watt(Modular) $300 + $12 Shipping
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Both are really high end PSU's.I figure at that level of wattage and money every PSU is top notch.All are typically Gold and Modular.
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a c 560 U Graphics card
April 13, 2011 1:42:31 AM

sowexly said:
Well if I upgrade my PSU I will want a nice one for later on and triple SLI.
So should I get a solid 1200W or 1000W?

I have my eye on this one

Three GeForce GTX 580 in 3-way SLI will require a power supply of at least 1200 Watts and with a combined +12 Volt current rating of at least 82 Amps.

The Corsair Professional Series Gold AX1200 CMPSU-1200AX is able to provide up to 100.4 Amps on its single +12 Volt rail so it's more than enough.
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April 13, 2011 3:25:45 AM

Best answer selected by Sowexly.
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