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Not enough sata power connectors

Last response: in Storage
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January 12, 2010 11:38:40 PM

I'm looking to add three or four more drives to my system. However, I only have two sata power connectors left. There's spare molex connectors on the current module cables being used (modular power supply) as well as on the modules not in use. I've seen molex to sata adapters, but I have a couple questions..

First, is there any harm in using a molex to sata adapter?

If not, does it matter if I use the sata connectors and molex connectors on the same module? This guys says no. http://answers.yahoo.com/question/index?qid=20091024145...
Is he right?

Also just noticed there's no orange wire (3.3v) going to the molex..

Thanks

More about : sata power connectors

a b G Storage
January 13, 2010 2:06:53 PM

What the guy was saying no to was plugging in both the SATA Power connection and the Molex power into a SATA drive at the same time. Early drives had both power connections. New drives I believe only have the SATA Power connection.

I have used the adapters with no problems.
Yes you can use both molex and SATA Power connections on one power cable at the same time. I do this myself.
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a b ) Power supply
January 13, 2010 2:13:53 PM

^+1
:) 
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September 23, 2010 2:55:08 AM

Turns out molex to sata power converters are only safe because most hard drives only use 5v & 12v voltages. If your using a low voltage SATA device (maybe future SSD drives?), you want to pay attention. Here's the wiki ref: http://en.wikipedia.org/wiki/Serial_ATA#Power_supply.
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