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Rectangular silver metal server power supply unit with rear fan grille and power socket

HP

HP 632914-001 Z820 1125W server power supply

SKU CH-PW7Z-9W9TT

An 1125W replacement power supply built for Z820 workstations, matching original electrical requirements with included manufacturer part numbers for straightforward compatibility verification

  • Product weight5 lb (2.27 kg)
  • 1125 W output matches the original Z820 power requirement
  • Designed as a direct replacement for HP Z820 workstations
  • Manufacturer part numbers 632914-001 and 623196-001 simplify compatibility checks
  • New condition ensures full service life from installation
  • 0000 lb weight fits the standard Z820 chassis bay

HP Z820 1125W replacement power supply

This HP 632914-001 power supply is a new 1125W unit built to replace the original PSU in compatible Z-Series Z820 workstations. It matches the factory electrical rating and connector layout so the system powers on without modification.

Suits owners of a Z820 needing a direct 1125W

It fits administrators or technicians restoring a Z820 to factory power specification. Builders working on a different chassis, a lower-wattage configuration, or a non-HP platform should look at other form factors and wattages.

Delivers 1125W for fully populated Z820 workloads

The unit comfortably handles multi-processor and multi-GPU loads within the Z820 design envelope. Systems requiring more than 1125W or a redundant hot-plug architecture will exceed its capacity.

How it compares

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

Price $32.99
Cheaper than about 92% of the 3,798 comparable items (median $131.99).

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Specifications

Product
Brand nameHP
Model name641329501184
Size & build
Product weight5 lb (2.27 kg)

Questions about this item

What workstation model must I already own for this 1125W power supply to fit?

This unit is a direct replacement for the HP Z820 workstation; it matches the original form factor and connector layout for that chassis.

Will the 1125W supply run reliably with the older components I keep in my Z820?

Yes — the 1125W rating matches the Z820's original electrical specification, so existing CPUs, memory and add-in cards draw power exactly as before.

How can I confirm the 1125W supply is operating correctly after I install it?

The Z820 will complete POST, show no power-related error LEDs, and the operating system will load without unexpected shutdowns under load.

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