If you want a reliable PSU, don't be shy about spending. You literally get what you pay for. A quality psu will keep your pc running smoothly for years. I've already made this mistake by buying a non-rated psu and it doesn't deliver ANYTHING NEAR the specs it said it should. even when shopping Corsair products, they have shoddy power supply lines as well (CX series for example). you absolutely HAVE to do research, but likely most people have done that for you with top tier psu's. If you're gonna save some money at least have one thats rated 80plus certified. 80+bronze is the lowest, and it tiers up from there.