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Does an 8pin to 6pin work the same as a 6+2pin pci express cable?

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June 13, 2014 5:54:06 PM

I'm installing a new graphics card that requires a 6pin and 8pin connection but only have two six pin cords. Will this adapter http://www.systemagnostic.com/wp-uploads/2013/02/2x6pin... be sufficient in converting 6pin power into 8pin power? or do I need one of these http://www.playtool.com/pages/psuconnectors/connectors....
a b U Graphics card
June 13, 2014 6:01:49 PM

What is the actual GPU model? Many mid-range models (150-200W) will work fine with either 6+6 or 8+0.
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June 13, 2014 6:10:57 PM

InvalidError said:
What is the actual GPU model? Many mid-range models (150-200W) will work fine with either 6+6 or 8+0.


xfx r9 290 dd
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a b U Graphics card
June 13, 2014 6:50:13 PM

CaesarSalad said:
xfx r9 290 dd

That one is a 250-300W job so it does need that 8+6.

You did not say what your PSU was either. In general, if it does not have a 8-pin (or 6+2) PCIE cable, there is a fair probability its rating or quality might be too low to reliably handle that GPU for long if at all.
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June 13, 2014 9:22:56 PM

InvalidError said:
CaesarSalad said:
xfx r9 290 dd

That one is a 250-300W job so it does need that 8+6.

You did not say what your PSU was either. In general, if it does not have a 8-pin (or 6+2) PCIE cable, there is a fair probability its rating or quality might be too low to reliably handle that GPU for long if at all.


I have a 520W Seasonic bronze certified modular power supply. I was told on this forum it should be sufficient to power the card because the actual load is much less than the recommended Wattage since I am not overclocking. I ended up using an 6+2 and a 6pin cable. I haven't tested any games yet but the system is up and running which is always a relief. Thanks for your help.
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a b U Graphics card
June 13, 2014 9:35:41 PM

CaesarSalad said:
I have a 520W Seasonic bronze certified modular power supply. I was told on this forum it should be sufficient to power the card

Seasonic is among the best PSU manufacturers out there so you will most likely be ok.

I was mainly worried that you would answer something like Diablotek or any of the other ~30 well-known sub-par brands.
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