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PSU to motherboard pin question...


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#1
compuser1

compuser1

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Hi all. Just needed a little help with something and thought maybe someone in here could help. I'm doing a computer build and most motherboards seem to be 24 pin. However, most power supplies seem to be 20+4 pin. What is the difference? Compatibility?
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#2
jackflash1991

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A 20+4 pin can work with a 20 pin board or a 24 pin board. 4 pins can be detached from the 20 pins to make it more compatible with more boards. If you have a 24 pin board a 20+4 pin and a 24 pin will work the same. But if you have a 20 pin board only the 20+4 pin and the 20 pin PSUs will work.

PS: Newegg says it better:

To provide compatibility with older motherboards featuring 20-pin power socket designs, some PSUs provide 20+4-pin main power connectors. As in the image above, this type of power connector is very versatile and can easily be used with both 20-pin and 24-pin motherboard.

http://www.newegg.co...p?articleId=199

Edited by jackflash1991, 20 August 2007 - 09:02 PM.

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#3
compuser1

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Thank you for the info. That is just what I needed.
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