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2x6pin vs. 1x8pin pci-e

Last response: in Graphics & Displays
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April 11, 2012 7:58:47 PM

Hi,
Is there any particular reason why all graphic card that need between 150W and 225W (so they need 150W over additional cable beside 75W from pci-e slot) always use 2x6pin and never 1x8pin? Wouldn't it be more compact that way?

More about : 2x6pin 1x8pin pci

a c 147 U Graphics card
April 11, 2012 8:53:48 PM

8-pin allows up to 150W.
6-pin allows up to 75W.
2x6-pin allows up to 150W.

The dual 6-pin configurations are likely just for compatibility since 8-pin is fairly new many Power Supplies don't have it yet.

There are adapters to attach an 8-pin PSU cable to a 2x6-pin graphics card.

8-pin will replace dual 6-pin eventually.
April 11, 2012 8:59:47 PM

Thanks for the answer.
The reason I asked is because I read that 6-pin provides 75W and 8-pin 150W of power so i thought that one 8-pin would be same as 2x6-pin.
a c 147 U Graphics card
April 11, 2012 9:01:07 PM

numitors said:
Thanks for the answer.
The reason I asked is because I read that 6-pin provides 75W and 8-pin 150W of power so i thought that one 8-pin would be same as 2x6-pin.


I had to edit my post so its correct now.
!