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I need some more Molex power connections on my computer but I don't want to get a whole new power supply.

Molex uses 12V and USB uses 5V so I don't think I could use a single USB port to have a USB to Molex adapter but I don't know for sure.

So I'm looking for some USB to Molex adapters, or a Molex only power supply.

asked Aug 14 '10 at 21:47

Liam%20Quade's gravatar image

Liam Quade

USB to Molex is a bad idea. Wrong voltage. I was not able to find any sort of adapter online. I have never heard of, seen, and could not find a Molex only power supply. I understand you don't want to buy a new power supply, so, you could just use a couple of Y Molex splitters to increase how many connections you can make:


WORD OF CAUTION: Don't overload your power supply. I don't know how many watts you're dealing with, but if you've run out of connectors then that's quite likely a sign that you might not be able to power too many other devices.

Good luck!

answered Aug 14 '10 at 21:56

Peter%20Murphy's gravatar image

Peter Murphy

Thanks. I think I will just clip off the power connections I don't need from an older power supply I don't use anymore and use that.

(Aug 14 '10 at 22:11) Liam Quade Liam%20Quade's gravatar image

That works! Nifty idea.

(Aug 14 '10 at 22:14) Peter Murphy Peter%20Murphy's gravatar image
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Asked: Aug 14 '10 at 21:47

Seen: 2,383 times

Last updated: Aug 14 '10 at 22:14