It's more when you add in monitors.  Each can draw 100-200w (~1-2 amps). 
More on powerup when the degauss kicks in,

David Phillips said:
> Rick Meyerhoff writes:
>> The last time we had a fest in a conference room we blew out the
>> power.  If we estimate 20 machines at 2 amps per machine,
>> that's 40 amps. That's  a rough estimate
>
> While it is always good to be conservative in your estimates, it seems
> high. A computer usually uses the most power when it is starting, since
> that is when the drives spin up.  High end video cards might use more
> power, but I've never measured since I don't play Quake on my servers.
> I've seen different racks of eight servers pull between 1.4 and 6 amps
> total.  I've seen a box with eight IDE drives never go above 1.1 amps.
>
> Two amps is probably a safe estimate, but a more realistic one might be
> one amp, assuming everyone isn't playing Quake on a GeForce 4 or
> powering up at once.
>
> --
> David Phillips <david at acz.org>
> http://david.acz.org/
>
>
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