Power supply question 1

[alex304]

I need to replace a power supply from a computer that has a 20+4 pin connector. I only have a 20 pin connector power supply. This will fit but the last 4 pins will not have anything connected to them. Will this work? What are the last four pins for?

 

[PcLinuxGuru]

12v to the cpu if I am not mistaken so it more than likely will not work.

 

[wahnula]

Will it work??? Depends, but usually yes. Check your mainboard manual. The extra pins are for more power, so it is always advised to have a matching 24-pin PSU.

There is a 20-to-24-pin adapter that I have used in the past with mixed results. I would NOT recommending using one of these. Here is the ATX pinout:

http://pinouts.ru/Power/atx_v2_pinout.shtml

The extra 4 pins are 11, 12, 23 & 24.

Tony

Users helping Users...

 

[alex304]

Cool. This is exactly what I was looking for. The power supply I have should work. I am ordering one with a 24 pin connection but this one should work for now.

Thanks!!!