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Originally Posted by CaptNKILL
I'm using one of those Y adapters on my card right now with 2 seperate molex cables (2 totaly seperate lines from the PSU) running to them. As far as I know, this can help the card take advantage of dual 12v rails... though I dont know if thats just a rumor or not.
This card sorta scared me though becaue I planned on doing the same thing, but I just dont have 4 molex connectors to spare.  |
It can help. But with newer PSU's that use tri-rails or more it isn't necessary as long as they label on the PCI-E connectors what rail(s) you're drawing from.