2x 4-pin MOLEX to 1x 6-pin PCIe on power supply?

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Protegeus

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Dec 9, 2014
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I have a 660 TI. It takes [2x6-pin PCIe] plugs for power. The power supply I want to use has [1x6-pin PCIe], and [2x4-pin MOLEX] plugs. Can I use a [2x4-pin MOLEX] to [1x6-pin PCIe] adapter to provide myself with the second [6-pin PCIe] plug I need for this card?
 
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That PSU looks fine for a 660Ti, you should be absolutely OK to use an adaptor. Although it isn't generally recommended to use an adaptor if possible, the 660Ti isn't a massively power hungry card and you'll be just fine.

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Protegeus

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It's a 400W power supply.
 
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Archaic59

Archaic59

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Jan 6, 2015
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Watts mean little. Amps delivered mean everything, as well as the quality of the PSU.
 
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Protegeus

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Okay well I can tell you it is this PSU:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817103083
 
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gopher1369

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Jan 20, 2012
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That PSU looks fine for a 660Ti, you should be absolutely OK to use an adaptor. Although it isn't generally recommended to use an adaptor if possible, the 660Ti isn't a massively power hungry card and you'll be just fine.

 
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Protegeus

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Dec 9, 2014
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The reason is because MOLEX is not rated for the same amount of power as the 6-pin plugs. Because of this, in order to adapt from the MOLEX to the 6-pin, you need to use two MOLEX, otherwise you risk drawing more power than the MOLEX is rated for, and this will cause component failure, and a possible fire.
 
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