hello to all, should i change my current PSU which CM extreme power plus 500W since i read lots of review stated that it is not efficient. i am worried it cause trouble to my other components. nway, im quite noob in this.perhaps can provide me with advice. so far my pc dun have any prob like auto-restart, but im just worried.tq

my specs

Mobo : Gigabyte H61MA-D2V
CPU : i3 2120 3.3ghz
Ram : Regular 1 stick 4GB DDR3
GPU : Msi GTX560 non ti
PSU : CM Extreme Power plus 500W
Casing : Acer MP1800 case
HDD : regular 320GB
1 optic drive

tq in advance