yup, my evga 6800gs has two 4pin power plugs, and both of them are plugged in. my psu is the SL400 from antec, a 400 watt psu. i have 2cd drives, 1sata drive, 2 ide drives, sound card, the 6800gs, and 5 case fans.. am i putting too much stress on the psu? also, it's a 20 pin, but my mobo has 24...