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.
Answer by Peter Murphy · Aug 14, 2010 at 10:56 PM
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.
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