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Rectangular metal PSU unit with rear fan grille and side label

godream

godream DPS-400AB-15 A 400W power supply

SKU CH-T12Y-G2895

400 W ATX power supply compatible with HP Workstation Z1 G2, replacing part numbers 650503-001, 656522-001 and 860478-001

  • Product typeATX
  • Direct replacement for HP Z1 G2 workstation
  • 400W output powers demanding professional components
  • ATX form factor fits standard chassis layouts
  • Matches HP part numbers 650503-001 656522-001 860478-001

Replacement PSU for HP Z1 G2

This 400 W ATX power supply is built as a direct replacement for the HP Workstation Z1 G2. It matches the original DPS-400AB-15 A unit and supports part numbers 650503-001, 656522-001 and 860478-001. The unit suits IT teams or owners restoring that specific workstation model.

Proprietary fit for Z1 G2 chassis

The supply uses the exact connector layout and mounting points required by the Z1 G2, so installation follows the original service procedure without adapters. Its switching design delivers stable output for the workstation's factory components. Builders working on other platforms or needing standard ATX pin-outs should look elsewhere.

How it compares

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

Price $75.99
Cheaper than about 77% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What ATX standard does the DPS-400AB-15 A follow?

This unit follows the ATX form factor and provides 400 W of continuous power for the HP Workstation Z1 G2.

Will the DPS-400AB-15 A fit my HP Z1 G2 chassis?

Yes, it is a direct replacement for part numbers 650503-001, 656522-001 and 860478-001 and matches the Z1 G2 mounting points.

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