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HPE CS 500 W 277 V AC plug-in power supply module, matte metal finish

HPE

HPE 638549-001 CS 500 W 277 V AC Power Supply

SKU CH-54KA-DNJ1M

Hot-swappable 500 W plug-in module delivers 277 V AC output at 92% efficiency for compatible HP servers

  • 92% efficiency reduces energy waste
  • 500 W output powers compatible HP servers
  • 230 V AC input suits standard mains
  • Hot-swappable plug-in module enables maintenance without downtime
  • 277 V AC output matches specific server requirements

HPE CS 500 W Power Supply for ProLiant Servers

This HPE CS power supply is a new plug-in module designed for compatible ProLiant and FlexServer platforms. It delivers 500 W of output power at 277 V AC and operates with 92% efficiency. The hot-swappable form factor allows replacement without shutting down the server.

277 V AC Output Voltage Requirement

The unit accepts 230 V AC input and provides a fixed 277 V AC output. This specific output voltage is the single specification that determines compatibility; the server chassis must be designed for 277 V AC operation. Verify the existing power supply label before ordering.

500 W Capacity for Redundant Configurations

At 500 W this module supports typical dual-processor configurations in the listed DL360p Gen8 and R390 FlexServer models. It comfortably handles base and mid-range CPU options such as the E5-2620 and E5-2650 series. High-density builds with maximum CPU counts or full drive bays may exceed the available headroom.

Highlights

  • 92% efficiency reduces energy waste
  • 500 W output powers compatible HP servers
  • 230 V AC input suits standard mains
  • Hot-swappable plug-in module enables maintenance without downtime
  • 277 V AC output matches specific server requirements

Specifications

BrandHPE

Questions about this item

What does the 500 W output mean for a server running under load?

The unit can deliver up to 500 W of 277 V AC power to the chassis, so a fully populated DL360p Gen8 or FlexServer R390 will stay within its rated capacity.

How does the 230 V AC input and 277 V AC output affect installation?

It accepts standard 230 V AC mains and converts to 277 V AC for the server backplane, so no special circuit is needed beyond a compatible PDU.

What slot or bay does the plug-in module occupy?

It fits the hot-swappable power supply bay in supported DL360p Gen8, OEM B6500, C3500, C5500, L3500, L7500 and FlexServer R390 chassis.

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