As per PSU calculator (coolermaster,extreme psu caculator, outervision.com) my system maxmimum requirement is 375 watt for HD 6870. Is it wrong ?
I don't have HDD, BR/DVD writter, PCIE card in this system, but installed 1x1=1 SSD, 2X1=2 120mm exhaust fan, 1x1=1 140mm inlet fan. All in default...