i have had no power problems, my parts are: GTX 760, AMD FX 6120, thermaltake 600w PSU, and 10 gigs of ram. The GTX 760 and the FX 6120 are kinda old, the 6120 is about like 5 so years old and the 760 is kinda hard to tell because i got it used, and i do not know what RMA is.