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Rectangular metal power supply unit with rear fan grille and side label

myVolts

myVolts 600W Power Supply for HP Z420 Workstation DPS-600UB A

SKU CH-QVKT-YDMCW

600 watt AT power supply replaces part numbers 623193-003, 632911-003, 623193-001 and 632911-001 in HP Z420 workstations

  • TypeAT
  • 600 W output powers demanding HP Z420 workloads
  • Direct replacement for part numbers 623193-003 632911-003 623193-001 632911-001
  • New unit ensures full rated performance and reliability
  • AT form factor fits the workstation chassis exactly

600W Replacement for HP Z420

This new 600W power supply replaces the original unit in HP Z420 workstations. It matches part numbers 623193-003, 632911-003, 623193-001 and 632911-001. The DPS-600UB A design fits the proprietary chassis without modification.

Upgrade from failed or noisy OEM units

The swap is worth it when the factory supply has failed, becomes unstable under load or runs louder than when new. It is not for builders adapting standard ATX cases or systems needing redundant power modules.

Highlights

  • 600 W output powers demanding HP Z420 workloads
  • Direct replacement for part numbers 623193-003 632911-003 623193-001 632911-001
  • New unit ensures full rated performance and reliability
  • AT form factor fits the workstation chassis exactly

Specifications

TypeAT

Questions about this item

Does the 600W unit use the standard HP Z420 mounting points and connector layout?

Yes, it matches the DPS-600UB A form factor and plugs directly into the Z420 motherboard and backplane without adapters.

What is the common mistake when swapping the PSU in a Z420?

Forgetting to reseat the 24-pin main power and the 4-pin CPU auxiliary cables fully; they click only when pressed straight in.

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