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Rectangular silver metal server power supply unit with rear ventilation grille and handle

HP

HP 1200W Platinum Plus Hot Pluggable Server Power Supply

SKU CH-B6DS-7HDB1

A 1200 W hot-pluggable server power supply with 94 % efficiency for flexible, tool-less installation

  • TypePower Module
  • Maximum Power1200W
  • Input Voltage100 - 240 V
  • Efficiency94
  • FeaturesHot Pluggable
  • 1200 W maximum power supports dense server configurations
  • 94 % efficiency rating reduces energy waste and operating cost
  • Hot-pluggable design enables tool-less replacement without downtime
  • 100–240 V input range suits global rack deployments
  • Common-slot architecture simplifies spares management across HP platforms

1200W Platinum Plus Server Power Supply

This HP power module delivers up to 1200W of continuous output for rack-mounted servers and storage arrays. It accepts a universal 100-240V input range and is designed for tool-less, hot-swap installation into compatible HP Common Slot chassis. The unit targets data-centre operators who need to right-size power capacity per node.

Sustained-load efficiency and redundancy

Rated at 94% efficiency with up to 96% achievable, the supply minimises waste heat during prolonged operation. Hot-pluggable design allows a failed or upgraded unit to be replaced without powering down the host system, maintaining uptime in redundant configurations. The Common Slot architecture ensures electrical and physical compatibility across supported HP platforms.

Thermals, noise and power draw

High efficiency reduces the thermal load on chassis cooling, allowing fans to run at lower speeds under typical workloads. The 100-240V auto-ranging input draws only the power required by the connected components, avoiding trapped capacity. No acoustic or thermal specifications beyond the efficiency rating are provided by the manufacturer.

Highlights

  • 1200 W maximum power supports dense server configurations
  • 94 % efficiency rating reduces energy waste and operating cost
  • Hot-pluggable design enables tool-less replacement without downtime
  • 100–240 V input range suits global rack deployments
  • Common-slot architecture simplifies spares management across HP platforms

Specifications

BrandHP
TypePower Module
Maximum Power1200W
Input Voltage100 - 240 V
Efficiency94
FeaturesHot Pluggable

Questions about this item

How much heat and fan noise does the 1200 W Platinum Plus unit produce when running continuously?

At up to 96 % efficiency the supply wastes very little energy as heat, so internal fans only spin fast enough to keep temperatures stable during all-day operation.

Which HP server chassis and common-slot bay does this 656364-B21 supply fit without extra adapters?

It is designed for HP Common Slot server and storage solutions that accept hot-pluggable power modules, allowing tool-less installation in the matching bay.

Can I mix this Platinum Plus module with older standard-efficiency supplies in the same redundant configuration?

Yes, HP Common Slot architecture lets different efficiency ratings share a chassis, but total available power will be limited to the lowest-rated unit installed.

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