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Rectangular metal server power supply unit, matte grey finish, HP branding, power connectors on rear

HP

HP 925W server power supply for Z640 workstation 719797-001 758468-001 719797-002

SKU CH-FXXH-R2F48

925-watt replacement power supply for HP Z640 workstations, weighing 5.0000 lbs

  • Weight5.0000LBS
  • 925W output powers demanding Z640 workloads
  • Direct fit for HP Z-Series Z640 workstation
  • Three part numbers confirm correct replacement
  • New condition ensures full rated performance
  • 0000LBS weight suits standard server bays

HP Z640 Workstation Power Supply

This 925W unit is built for the HP Z-Series Z640 workstation and carries part numbers 719797-001, 758468-001 and 719797-002. It delivers the rated output required by the platform and ships new with a 90 day warranty. Buyers who need a different form factor or higher wattage cannot use this supply.

Sustained Load Behaviour

The supply provides a continuous 925W output to support the workstation under extended compute loads. Its design matches the Z640 power architecture so voltage rails remain stable during long rendering or simulation sessions. Systems that draw more than the rated output will require a different solution.

Replacement Context

This unit replaces a failed or degraded original supply in the Z640 chassis using the listed part numbers. The upgrade is worth it when the existing unit no longer holds rated voltage or shows fan or protection faults. Workstations outside the Z640 line are not compatible with this model.

Highlights

  • 925W output powers demanding Z640 workloads
  • Direct fit for HP Z-Series Z640 workstation
  • Three part numbers confirm correct replacement
  • New condition ensures full rated performance
  • 0000LBS weight suits standard server bays

Specifications

BrandHP
Weight5.0000LBS

Questions about this item

How much heat and fan noise does the 925W supply produce when the Z640 runs continuously?

The unit delivers 925W maximum output for the Z640; actual heat and acoustic levels depend on system load and chassis airflow.

What existing connectors or brackets must my Z640 already have for this supply to install?

It is built for the Z640 workstation chassis and uses the native power connector and mounting points of that model.

Will the 925W unit work reliably with the original motherboard and graphics cards I keep in my Z640?

Yes — it is specified for the Z640 platform and provides the 925W the original components were designed to draw.

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