PSU Question

By Opellio88
Oct 12, 2008
  1. captaincranky

    captaincranky TechSpot Addict Posts: 13,000   +2,532

    The Times Table in Action........

    They're showing four 12 volt rails @ 18 amperes each. So, that's 18 times 4 which equals 72 amps. If you multiply 18 amps times 12 volts you get about 864 watts, so I think the answer is no.

    I don't know if this PSU is a good one, or if it would meet your needs, maybe we should start there. Someone else will be along shortly to ring in on this. (I hope).
  2. Opellio88

    Opellio88 TS Rookie Topic Starter

    Thanks, don't why I didn't think about doing the math...

    It seems that 18 amps is not very high, why would they make it so low?
  3. captaincranky

    captaincranky TechSpot Addict Posts: 13,000   +2,532

    That's a maximum figure across the four rails. Usually it's a bit flexible and you might be drawing 20 amps from one rail and 10 from another. If you added all the maximum amperage from all voltages, you'd probably get a 1000 watts or so, it's just that you wouldn't be drawing the max from all the taps in normal use.
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