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Does the i7 require a 8 pin?

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December 11, 2012 10:32:39 PM

My power supply does not have a 12v 8 pin connector, but just a 4 pin connector. Is that enough for the intel core i7 77 watts? or should i buy a molex to 12v 8 pin connector. thanks

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a c 141 à CPUs
December 11, 2012 11:10:06 PM

stevems said:
My power supply does not have a 12v 8 pin connector, but just a 4 pin connector. Is that enough for the intel core i7 77 watts? or should i buy a molex to 12v 8 pin connector. thanks


What does your motherboard have a 4 pin or 8 pin auxillary power. If it has an 8 pin then it probably won't power up.
December 11, 2012 11:17:42 PM

It has a 8 pin one next to the cpu
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a c 141 à CPUs
December 11, 2012 11:20:52 PM

\The additional 4 pins were added to support the higher power draw of newer (at the time) Core 2 Quads. The 4 pins will happily provide power to most lower end CPUs, but if you have something like an I7 I would double check the TDP and make sure you can provide enough power with the 75W that the 4-pin can provide and that you don't need the 150W that the 8-pin provides. Personally I don't think it will work and even if it does I would still upgrade the power supply so you have all the right conections given off the right amount of power.
December 11, 2012 11:31:54 PM

rds1220 said:
\The additional 4 pins were added to support the higher power draw of newer (at the time) Core 2 Quads. The 4 pins will happily provide power to most lower end CPUs, but if you have something like an I7 I would double check the TDP and make sure you can provide enough power with the 75W that the 4-pin can provide and that you don't need the 150W that the 8-pin provides. Personally I don't think it will work and even if it does I would still upgrade the power supply so you have all the right conections given off the right amount of power.

But I was just thinking of going with a molex to 8 pin as it is cheaper. Will it still work with the adapter?

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a c 141 à CPUs
December 11, 2012 11:34:01 PM
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You mean something like this: http://www.newegg.com/Product/Product.aspx?Item=N82E168.... Yes that should work fine.
December 11, 2012 11:53:27 PM

Best answer selected by stevems.
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