As I said, this is normal. My cpu voltage ranges from .972 to 1.25. Your version of cpu-z may give realtime readings which is ok. Stop worrying if your system is running stable, or get a better power supply. Newegg has a corsair 650w for $59.99 after rebate in today's email promos. A great deal on a quality ps. The following issues are serious: windows bluescreens, random reboots, or system freeze-ups, which often indicate a heat problem. If you don't have any of these issues, I would leave your system alone.