Should 4-pin Molex connector or 15-pin SATA power connector be used to connect to SATA HDD?
The SATA HDD has both 4-pin Molex socket and 15-pin SATA power socket, which one should be used to connect PSU? Is any advantage or issues to use one over another? Or should both be connected?
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It really doesn't matter. Use which ever one is conveniently available, it is obviously able to be powered off of a SATA power connector or a 4 pin molex connector so it doesn't matter. Only use one or the other though, not both.