ok i just opened up my case my psu is made by Lite ON
here are the specs..
AC Input:100-127/220-240v~7/3.5A 60/50HZ
DC OUTPUT: +5V/20A Max -12v/0.5 max +12V1/10A Max
+5V(SB)/2A MAX +3.3V/20A MAX +12V@/13A MAX
Combined power on +3.3V and 5V Rails not exceed 20A
combined on +12V1 and +12V2 rails not exceed 20A
and one of them said something about doesnt exceed 130 watts
And btw this is the inside of my case, it seems like this case is a minitower heres a pic..
http://img97.imageshack.us/img97/9007/dsc00552ek.jpg
Would i have enough space for updates..i removed the tv tuner card out for more room since i wont be using it ever..