Extra power

Hi,
I am wondering what giving the card extra power from the molex connector will actually do?
As at present I seem to be able to receive 30 concurrent streams from it.
What is the advantage? Why is it their?
Thanks
I am wondering what giving the card extra power from the molex connector will actually do?
As at present I seem to be able to receive 30 concurrent streams from it.
What is the advantage? Why is it their?
Thanks