Im building a Mini ITX computer with limited space, i have a flex atx psu that has 300 watts
http://www.newegg.com/Product/Product.aspx?Item=N82E16817104145
other items running
SSD 240gb
2 Ram sticks (2 x 8gb 1600 DDR3)
about 5 fans total
i5 3750
ASUS p8h77-i (37.5watts?)
what do you guys...