Did you seriously just recommend a raidmax PSU? You do realize they are massive piles of low quality garbage right? Even their new 80+ gold rated units are subpar and when tested can't achieve rated wattage or efficiency. Raidmax is one of the worst PSU brands around.
If i want to go with 350w as minimum ?? is it enough ? i am not in a high budget
Well you don't really wanna skip out on the quality of your power supply. You could grab a cheap XFX Core Edition 450W power supply (which will be more than enough), and be absolutely certain that it's among the top of the line when it comes to quality. It might cost a bit more than your average noname junk, but that's ok. It also comes with a 5 year worldwide warranty if you register your product at XFX.
Keep in mind that the power supply is the unit that powers your entire rig. You want it to be a decent quality.