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Rectangular silver server power supply unit with rear exhaust grille and label sticker

Supersuperuncle

Supersuperuncle HP D12-320P1B PS-4321-9HB server power supply

SKU CH-3FVT-WMYAK

A 320 W server power supply compatible with HP D12-320P1B and PS-4321-9HB systems

  • Compatible with HP D12-320P1B servers
  • Universal PS-4321-9HB replacement part
  • Supports HP-D3201E0 and CFH0320AWWA models
  • New condition ready for deployment

HP D12-320P1B replacement unit

This power supply replaces the HP D12-320P1B and PS-4321-9HB units in compatible HP server chassis. It matches the original CFH0320AWWA and HP-D3201E0 part specifications for direct installation. Administrators maintaining legacy HP infrastructure use it to restore redundant power capability.

Proprietary server form factor

The unit fits only HP server bays designed for the D12-320P1B form factor and will not work in standard ATX cases or other vendor platforms. It delivers 320 watts through the native HP backplane connector without cable adapters. Builders needing higher wattage or industry-standard mounting must select a different product class.

How it compares

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

Price $109.99
Cheaper than about 64% of the 3,798 comparable items (median $131.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the D12-320P1B or the PS-4321-9HB version for my HP server?

Both model codes refer to the same 320 W unit; choose the part number that matches your HP-D3201E0 or CFH0320AWWA label.

What does the 320 W rating deliver inside an HP D3201E0 chassis?

It provides up to 320 W of continuous 12 V power for the server components installed in that chassis.

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