I'm not sure exactly what you are saying here. I've not seen any SATA power to video card power adapters. All the one's I've seen are 4-pin Molex (the older HDD power connectors), to video.
Also, you didn't say what sort of power supply you have. If it's one of the ones with multiple "rails", you would want to spread the video connectors across the rails (one card per rail). Usually with the video cards on separate rails, and the rest of the stuff, like the SATA power, on a third one, if available.
If it's a newer power supply with just one big rail, then it doesn't really matter which cable(s) you connect to.
If you don't know what sort of power supply (PSU) it is, you could check the side of the PSU to see if the label lists the rails separately. You could post brand and model number here (and/or google it) if you can't find the info.
In any case, the power draw of the drives, lights, and fans is probably not enough to worry about which cables they are on.
Last edited by Quaker; Jul 29, 2011 at 06:26 PM // 18:26..
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