Hello, Is this is good PSU's for my SHAPPIRE 5670 DDR5, which one to use? my configuration is: Pentium G540 ECS H61-H2M12 4GB DDR3 DIMM 1333Mhz DVD-ROM 2x80GB SATA2 Hitachi SHAPPIRE 5670 GDDR5 1GB or Greetings, thanks in advance.