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[Help] Where Can I Find A 8-Pin Adapter For A 3870X2?

post #1 of 14
Thread Starter 
Note to Mods: Sorry if this is in the wrong section. If this is in the wrong section, please move it.

I've been thinking about a sweet QuadFire setup with two 3870X2s and a 30" 2560x1600 screen, but I'm way too poor to buy it all at once. So I just want to get one 3870X2 (and maybe the screen), and not upgrade my PSU or Motherboard yet. Now my current PSU only has two 6-Pin PCIe cables, so I need to find a place that sells one because the 3870X2 that I'm thinking about buying doesn't come with one and I really don't want to spend $260 on a PSU that will work for both 3870X2s (so I don't have to buy another PSU later).

Also, I'm not just going to buy one that comes with an 8-Pin adapter because this one has the least amount of negative reviews and the manufacturer must be doing something right.
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Cataclysm
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post #2 of 14
Link
post #3 of 14
Thread Starter 
Quote:
Originally Posted by dskina View Post
Quote:
Originally Posted by Newegg

Reviewed By: on 1/28/2008 Tech Level: average - Ownership: 1 week to 1 monthThis user purchased this item from Newegg.com Pros: This is for your 8 pin motherboard connector, hense P8 adapter. For some reason I thought it would work for my HD 2900 pro VGA card. I am glad I realized b-4 I fried my system.Cons: not 8 pin vga adapterOther Thoughts: Works good, was able to use anyway. Not as pictured just two female molex plugs and P8 plug, nothing else.
I already was looking at this. You 100% sure it works with a GPU?
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post #4 of 14
Just so you know, you only need an 8 pin if you plan on using the factory overclocking tool from ATI.
post #5 of 14
Thread Starter 
Quote:
Originally Posted by PiratesRule View Post
Just so you know, you only need an 8 pin if you plan on using the factory overclocking tool from ATI.
So I could OC it with ATITool?
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post #6 of 14
Well, no, because ATItool sucks after the X1900 series.

Rivatuner works though.

And you will be fine with two 6 pins.
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post #7 of 14
Quote:
Originally Posted by mrtn400 View Post
I already was looking at this. You 100% sure it works with a GPU?
My bad, I'll take another look around for you.
post #8 of 14
Thread Starter 
Quote:
Originally Posted by Mootsfox View Post
Well, no, because ATItool sucks after the X1900 series.

Rivatuner works though.

And you will be fine with two 6 pins.
What's the difference between the 6-Pin and the 8-Pin anyways? Doesn't the 8-Pin just have more wires carrying the same current?
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post #9 of 14
8 pin carries more current
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post #10 of 14
I've seen that the 8-pin allows for 150w. I believe that it would be logical for it to carry 100w, since the 6-pin allows 75w. Either way, the card has at least 225w of power to draw just with two 6-pins and the PCI-e slot. You get 300w if you have a motherboard with a PCI-e 2.0 slot.

The card only draws about 180w though I think.
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