What is this miniature ATX PSU connector called?

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debs3759



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PostPosted: Tue Apr 19, 2022 6:49 pm    Post subject: What is this miniature ATX PSU connector called? Reply with quote

What is this miniature ATX PSU connector called? It is 38 mm long, smaller than standard ATX, on a mini ITX socket 479 motherboard. I have a suitable power supply, but its size is a little longer than the board, so won't be suitable for the small build I'm planning. The PSU I have is like a long Flex ATX PSU, but I'm not sure if that is the name of the connector. It appears to have originally been in an HP system, and they just call it "micro fit" ATX (the quotation marks are from their website)
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rjluna2



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PostPosted: Wed Apr 20, 2022 11:16 am    Post subject: Reply with quote

It is the 24 pin ATX power supply connector.

https://en.wikipedia.org/wiki/Power_supply_unit_(computer)#Wiring_diagrams
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frag_



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PostPosted: Wed Apr 20, 2022 11:53 am    Post subject: Reply with quote

So-called mini 24p atx, there are adapters to use it with normal atx connectors, under $2 on Aliexpress.
https://aliexpress.ru/item/32928256131.html
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debs3759



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PostPosted: Wed Apr 20, 2022 12:55 pm    Post subject: Reply with quote

Thanks. I found some adapter cables cheap on ebay. Need to get set up on aliexpress if they are cheaper Smile
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mavroxur



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PostPosted: Wed Apr 20, 2022 1:05 pm    Post subject: Reply with quote

rjluna2 wrote:
It is the 24 pin ATX power supply connector.

https://en.wikipedia.org/wiki/Power_supply_unit_(computer)#Wiring_diagrams



It's the same number of pins, but smaller. It's MiniATX - Dell was fond of these in smaller form factor / micro form factor computers for a while but now is leaning torward the ATX12VO standard.

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Last edited by mavroxur on Wed Apr 20, 2022 1:09 pm; edited 1 time in total
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debs3759



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PostPosted: Wed Apr 20, 2022 1:07 pm    Post subject: Reply with quote

From what I can tell, the pins are not 1 to 1 compatible. That's based on pics of adapter cables on ebay.
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debs3759



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PostPosted: Wed Apr 20, 2022 1:08 pm    Post subject: Reply with quote

This is the ebay pic
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mavroxur



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PostPosted: Wed Apr 20, 2022 1:10 pm    Post subject: Reply with quote

debs3759 wrote:
From what I can tell, the pins are not 1 to 1 compatible. That's based on pics of adapter cables on ebay.


You're correct - I forgot that some pins were moved around.
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rjluna2



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PostPosted: Thu Apr 21, 2022 8:06 am    Post subject: Reply with quote

Well, that's interesting Confused
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