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Question:

I have bought a new power supply for my PC, problem is with hard drive power cable?

My hard drive uses 15-pin SATA power connectorMY new power supply doesn't have this cable but instead it has 4 pin molex connector for the hard drive15-pin SATA power connector has 5 wires with these colors and order (white-black-red-black-orange)4 pin molex colors are (red-black-black-yellow)I want to use 15-pin 'connection head' from the broken power supply but as I said it has 5 wires while my new power supply gives me 4 wires!!!!! how to connect 4 wires to five wires head??? one wire has to be canceled i guess but which one?

Answer:

You got the wrong power supply. Get an IDE to Sata power adapter.
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