well heres the deal with PSU's
you never want to go cheap on them because if you go cheap on the psu your system wont run to its full potential, or it might not run at all
quality brands are Antec, Enermax, PC power & cooling(real expensive), and FSP group.
a PSU is a real investment and you need to be smart about what you get. if you could give me full system specs i can give you specific models to look at but you might want to go for about 100-200 dollar range.
you want a 550+ wattage for your system from what i can see
again i cant stress more what kind of problems happen just becuase of a bad psu.
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