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GTX 280 needs a 6 Pin and 8 pin but my PSU only has two 6 pins!!

Last response: in Graphics & Displays
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November 25, 2013 2:18:48 PM

I have an nVidia GTX 280 GPU and a seasonic 600W with two 6 pin connectors. The GTX 280 needs one 6 pin and 1 8 pin. Do I need an adapter or something? Will it be safe?

My PSU: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

My GPU: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

November 25, 2013 2:34:20 PM

You will need an adaptor something like this http://www.amazon.com/StarTech-Express-Power-Adapter-PC... (google it for more selection or justask a your favourite local shop). Nothing is guaranteed about it being safe though (It should be but no adaptor plug company is going to warranty anything but the plug so...). If you want to be absolutely sure get a new PSU or compatible (requiring the connector(s) you have) GPU.
November 25, 2013 2:40:47 PM

Dom_79 said:
You will need an adaptor something like this http://www.amazon.com/StarTech-Express-Power-Adapter-PC... (google it for more selection or justask a your favourite local shop). Nothing is guaranteed about it being safe though (It should be but no adaptor plug company is going to warranty anything but the plug so...). If you want to be absolutely sure get a new PSU or compatible (requiring the connector(s) you have) GPU.


A 6 pin is only supposed to supply 75W though. If I use the adapter instead of an 8 pin (which can deliver up to 150W) would it handle it okay?

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November 25, 2013 2:58:19 PM

First off, try and find out how much power the card is going to try and draw from the 8 pin (I can't seem to find that info, you might want to contact XFX directly). Then check your PSU (either the sticker on the unit or possibly the website) to see how much power is provided by/ available to each 6 pin (they may be on the same rail thus whatever amount available divided by half).
To be absolutely sure your GPU will be fine I suggest a new PSU. This one for instance http://www.newegg.com/Product/Product.aspx?Item=N82E168...
November 26, 2013 3:04:15 PM

Dom_79 said:
First off, try and find out how much power the card is going to try and draw from the 8 pin (I can't seem to find that info, you might want to contact XFX directly). Then check your PSU (either the sticker on the unit or possibly the website) to see how much power is provided by/ available to each 6 pin (they may be on the same rail thus whatever amount available divided by half).
To be absolutely sure your GPU will be fine I suggest a new PSU. This one for instance http://www.newegg.com/Product/Product.aspx?Item=N82E168...


I've had the word from the forums here and Canada Computers that the PSU would handle the GPU. I don't really want to get a new PSU btw.

I looked all over the place for the ratings of the supply except I couldn't turn up anything.

I checked the wires on the 6 pins and it is rated for 300W.
A 6 pin(75W) + 8(150W) pin can pull 225W.
I think I'll get the adapter.

!