HP Netserver Service Handbook, Volume 1 - Low End

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Nominal Volts Amps Watts
100 5.48 537
120 4.51 530
200 2.61 512
230 2.25 507
Power supply type
Wide input range, power factor corrected
DC output power
500 Watts DC, continuous, maximum
Peak AC inrush current
30 Amps @ 230 VAC