Will a 6pin and a 8pin power a gtx 680?

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Justin_223

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Jul 1, 2017
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So i recently got a gtx 680 but my psu only has one 6 pin and one 8 pin. My psu is 550w btw. And im wondering if the gpu will work with just the 6 pin and 8 pin although the gpu requires 2 8 pins. And if not should i buy a 2 molex to 8 pin, or a 6 pin to 8 pin adapter.
 
Solution
Karadjgne
Generally a 680 takes 2x 6-pin and 550w, so theoretically yes, it'll work. However, I don't know of any 550w with a dedicated 8-pin pcie, but I know of several cheapo 550w that have just a single 6-pin, but include an 8-pin EPS, which is not pcie. Is it an 8-pin?or 6+2-pin? Not all 550w are built the same, there's many that are really 250-300w psus in disguise as a 550w. Quality in this case counts more than quantity.
That said, there are mitigating factors. Some few gpus have added power requirements, so might demand a 6-pin and 8-pin, or have a different power delivery setup, so might only require an 8-pin. Depends entirely on the specific gpu.
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Justin_223

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Oh i just looked at my psu its actually 500w not 550 sorry and its an antec vp500p
 
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Karadjgne

Karadjgne

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Generally a 680 takes 2x 6-pin and 550w, so theoretically yes, it'll work. However, I don't know of any 550w with a dedicated 8-pin pcie, but I know of several cheapo 550w that have just a single 6-pin, but include an 8-pin EPS, which is not pcie. Is it an 8-pin?or 6+2-pin? Not all 550w are built the same, there's many that are really 250-300w psus in disguise as a 550w. Quality in this case counts more than quantity.
That said, there are mitigating factors. Some few gpus have added power requirements, so might demand a 6-pin and 8-pin, or have a different power delivery setup, so might only require an 8-pin. Depends entirely on the specific gpu.
 
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Karadjgne

Karadjgne

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Yeah, that's not going to work well. If your cpu is an i3, non oc'd, then maybe, you'd really have to have low normal power demands, but if you have an oc'd cpu, i7 or AMD FX etc and lots of case fans etc then no, it's not worth the risk as you'll be pushing towards the upper limits of reliability on the psu.
 
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