Yes its ok, i ran my sli with a 600w TT toughpower at first. it pump about 475w on FULL gaming (crysis) in my system. Normally its about 400w. im SLI 98GTX+
With only one card installed, my Watt meter is reading 300-325 W gaming.
HAVE FUN
------------------------------__________________________Le Québécois_________________________
WCed Q9550 EO + P5Q @ 3.825ghz / HTPC - E5200 + P5Q @ 3.3ghz
BFG GTX285 OC2 + PC P&C 750w . / HIS HD4850 with Sharp 42" 1080p
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