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Rectangular silver server power module with rear venting and handle

HP

HP 1200W Hot Pluggable 380V DC Redundant Power Supply 684539-B21

SKU CH-WRVH-E0MHY

Delivers 1200 W of 94 % efficient power with hot-plug redundancy for 380 V DC server racks

  • Max wattage1200 W
  • Power efficiency94
  • Supply voltage220 V
  • Product typePower Module
  • Key featuresHot Pluggable
  • 1200W output powers dense server racks
  • 94% Platinum efficiency reduces energy waste
  • Hot-pluggable design enables zero-downtime replacement
  • 380V DC input suits modern data-centre architectures
  • Redundant operation protects critical workloads

1200 W 380 V DC server power supply

This 1200 W platinum-efficiency module is built for HP Common-Slot server chassis that require hot-pluggable redundant power. It accepts 220 V input and delivers up to 1200 W at 94 % efficiency, helping reclaim capacity in dense rack deployments.

Hot-plug installation with Common-Slot keying

The unit slides into a compatible bay without tools and locks in place for hot-swap replacement during operation. Installation fails if the chassis lacks Common-Slot bays or 380 V DC distribution, and the module will not seat in standard AC-only power shelves.

1200 W headroom for dense compute loads

At full rating the supply supports high-density processor and memory configurations typical of virtualisation hosts and database nodes. Headroom diminishes when multiple rails approach peak simultaneously or when chassis airflow cannot dissipate the thermal load of a fully populated redundant pair.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $120.99
Cheaper than about 58% of the 3,798 comparable items (median $131.99).
Max wattage 1200 W
Higher than about 80% of the 235 comparable items (median 668 W).

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Specifications

Product
Brand nameHP
Product typePower Module
Power
Max wattage1200 W
Power efficiency94
Supply voltage220 V

Questions about this item

How can I confirm the 1200W power supply is operating correctly after installation?

The unit will show normal LED indicators and the server management console will report 94% efficiency with stable 220 V input and 380 V DC output.

What comes in the box and what must I purchase separately?

The power module itself is included; compatible server chassis, power cables and rail kits are sold separately.

Which part number should I select for a 1200W hot-plug redundant supply?

Choose retail part 684539-B21 or optional equivalents 704603-001, 677721-101, DPS-1200SP-1 or HSTNS-PD34-C.

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