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Dell PowerEdge R620 Owner's Manual

PDF

Power supplies

Your system supports either:
  • Two 495 W, 750 W, or 1100 W AC power supply modules, or
  • Two 750 W or 1100 W DC power supply modules
  • NOTE: Titanium power supply is nominally rated for 200 VAC to 240 VAC input only.

When two identical power supplies are installed, the power supply configuration is redundant (1 + 1). In redundant mode, power is supplied to the system equally from both power supplies to maximize efficiency.

When only one power supply is installed, the power supply configuration is non-redundant (1 + 0). Power is supplied to the system only by the single power supply.

  • NOTE: If two power supplies are used, they must be of the same type and have the same maximum output power.
  • CAUTION: When installing 1100 W AC or DC PSU, you must install both the PSUs. Your system does not support only one 1100 W AC or DC PSU.

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