Can I use a 20+4 pin psu in a 24+8 pin motherboard

Amozzo · Dec 25, 2015

Hi all,
(I am NOT a PC professional.)
I am purchasing the Corsair CX500W and the specs say that it has 20+4 pin connectors to the motherboard, but mine has 24+8. What I was wondering is whether I need to buy a different PSU or if it would work anyways. I have heard something about the 8 pin one being supplemental CPU power. I am quite unsure and I need some help.

Gze · Dec 25, 2015

Your motherboard needs a 24pin power connection and a 8pin power connection. Your PSU should have a 20+4pin (Some older computers use 20pin but new ones use 24pin) power connection and a supplementary 4+4pin connection (Again, some use 4pin, some 8pin)

DelroyMonjo · Dec 25, 2015

Yes, the 8 pin connector (often 4+4 pin) is a separate cable from the 20+4 pin cable. Just Google your motherboard of the mfgr. for a picture or a manual of how the sockets actually look on the mobo.

mbarnes86 · Dec 25, 2015

Hi

This site shows PSU connectors from earliest PC XT upto modern ATX motherboards

http://www.playtool.com/pages/psuconnectors/connectors.html

regards
Mike Barnes

Amozzo · Dec 25, 2015

Gze :

I am a bit confused. I have a 24 pin power connector which uses all the pins, but the 8 pin power connector only has 4 going in to it.
https://www.google.co.uk/search?q=ga-f2a55m-hd2&espv=2&biw=1440&bih=763&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi0_dSk7_bJAhXMOxoKHdlpBLEQ_AUIBigB#imgrc=Ct4eyTGbhZmhFM%3A There is a picture of my motherboard. So, my question is will the CX500W be able to power it?

mbarnes86 · Dec 25, 2015

Hi

This is a modular PSU so look at ATX 12V 4 pin / EPS 12V 8pin cable
(could be one or two cables, or one cable with two plugs,
or one cable with a 4+4 pin plug which is 2 x 4 pin plugs clipped together which is the most common version)

Any modern ATX PSU will have both 4 pin & 8 pin plugs for motherboard 12V supply

[dont worry about connector into the PSU only the connector for motherboard]

regards
Mike barnes

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