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Silver rectangular ATX power supply unit with rear fan grille and side label

HP

HP Z4 Z6 G4 Workstation Power Supply 1000W D15-1K0P1A

SKU CH-36AW-9DHQ1

A 1000 W ATX power supply for HP Z4 and Z6 G4 workstations delivering 12 V at 18 A

  • Product typeATX
  • Delivers 1000 W for demanding workstation loads
  • Accepts 100-127 V or 200-240 V input worldwide
  • Provides 18 A on the 12 V rail for stable GPU power
  • Operates at 50-60 Hz for global mains compatibility
  • Brand-new unit ready for HP Z4 Z6 G4 installation

HP Z4 Z6 G4 Workstation PSU 1000W

This power supply is built for HP Z4 and Z6 G4 workstations needing a 1000W ATX unit. It suits IT teams maintaining certified hardware or builders replacing a failed original supply. The D15-1K0P1A part number matches the factory configuration exactly.

Sustained-load behaviour on 12V rail

The 12V rail delivers 18A continuously under the rated 1000W load. Input range covers 100-127V at 12A and 200-240V at 6.3A across 50-60Hz. Efficiency and thermal curves follow the workstation platform validation rather than consumer ATX bursts.

Installation notes for proprietary chassis

The unit slides into the Z4 or Z6 G4 bay using the native latch; no adapter cables are required. Builders must verify the D15-1K0P1A label matches their service tag because earlier Z4 generations use a different pinout. Incorrect part selection is the common error.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $122.99
Cheaper than about 58% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How much heat and fan noise should I expect from the 1000W unit running at full load all day?

The supply draws up to 12A at 100-127V or 6.3A at 200-240V, so sustained full-load operation will produce noticeable heat and fan noise typical of a 1000W ATX PSU.

Which motherboard power connectors must my HP Z4 or Z6 G4 already have for the D15-1K0P1A to plug in?

It uses the standard ATX pinout required by HP Z4 and Z6 G4 workstations, so the motherboard must provide the matching 24-pin main and CPU power headers.

Will this PSU work reliably with the older CPU and GPU I plan to keep in my Z4 G4?

The single 12V rail delivers 18A, which supports legacy components that stay within that current limit on the 12V line.

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