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Psu Question

  • Power Supplies
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Last response: in Components
March 31, 2011 5:41:53 PM

So I made a mistake and really do not want to rma a psu that I have for a build. It only has a 20pin and the mobo has a 24pin. Can I still use the 20pin psu ? There is plenty of power for the build ? Both from newegg:

"Rosewill RV350 350W ATX 1.3 Power Supply $27.00"
GIGABYTE GA-M68MT-S2P AM3 NVIDIA GeForce 7025/nForce 630a chipset Micro ATX AMD Motherboard $50.00"

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Best solution

a b ) Power supply
March 31, 2011 7:16:55 PM

20-pin omits the last four: 11, 12, 23 and 24) Color Signal Pin Pin Signal Color

Very possibly, but not recommended.
You would need to verify that with an ohm meter:
On the Motherboard, no other connects plugged in Pin 11 _> 10, Pin 12 ->1 and Pin23-> 22 read a short: Then Yes it should work, if not No workee.

Reason it is not recommended is the IR drop across the connector Pins (wires should not be a problem). If this IR drop is two high it could melt the connector plastic shell. I could give an example, but I would be pulling numbers from the end of me that sits on the Pot.
March 31, 2011 8:34:13 PM

Short Answer, RMA PSU and get correct one, you wont regret it!
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April 1, 2011 2:06:07 AM

Best answer selected by discboy321.