Power when playing 3D games sound Zi Zizi

Users questions: My computer is I7920 UD5 Gigabyte motherboard X260GTX cards 2 RAID0 hard to do now to play 3D games, the power began to Zizi Zi ring. Power is the Great King of fever dual card version, rated 500 watts do I need to replace it with a rated power greater power it?
Experts answer: need not be large, for a good point, TT annai U.S. AcBel first horse. . . Select a lot of whistle produced by excessive current may also come from the motherboard and graphics card
  • This information provided by the users.Thanks!