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Rectangular silver server power supply unit with HP branding

HP

HP 512327-B21 Common Slot High Efficiency 750W server power supply

SKU CH-R1GC-H4XTC

Common Slot 750 W server power supply with 92 % efficiency for HP ProLiant ML150 G6

  • Max wattage750 W
  • Product typeProprietary Power Supply
  • 92 % efficiency cuts energy costs
  • 750 W output powers demanding server workloads
  • Common Slot design fits HP ProLiant ML150 G6
  • Hot-plug capability simplifies maintenance without downtime
  • HPE 512327-B21 ensures genuine compatibility

750 W Common Slot power supply for ML150 G6

This 750 W proprietary server power supply is built for the HP ProLiant ML150 Generation 6. It fits the Common Slot bay and delivers 92 % efficiency for lower running costs. The unit is sold new and carries part number 512327-B21.

Proprietary Common Slot form factor

The supply uses HP's proprietary Common Slot interface, so it only installs in chassis designed for that bay. Standard ATX or redundant frames will not accept it. Efficiency is rated at 92 % at typical load. No other form-factor or voltage options are provided.

Check ProLiant ML150 G6 compatibility before

Verify that your server is an HP ProLiant ML150 Generation 6 and that the chassis includes a Common Slot bay. Other ProLiant models or generations do not support this proprietary supply. Confirm the 750 W rating matches your configuration's power budget.

How it compares

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

Price $16.99
Cheaper than about 96% of the 3,798 comparable items (median $131.99).
Max wattage 750 W
Higher than about 60% of the 235 comparable items (median 668 W).

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Specifications

Product
Brand nameHP
Model name512327-B21
Product typeProprietary Power Supply
Power
Max wattage750 W

Questions about this item

Which capacity should I choose for the HP 512327-B21 Common Slot High Efficiency power supply?

This unit provides 750W output power and is the single capacity offered for the 512327-B21 model.

What does the 92% efficiency rating mean once the supply is installed in a server?

It converts 92% of incoming AC power into usable DC output, reducing heat and lowering electricity cost under typical loads.

What interface does the 512327-B21 use and what does it limit in practice?

It uses HP's Common Slot proprietary form factor, so it only fits ProLiant ML150 Generation 6 servers and compatible Common Slot bays.

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