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Rectangular ATX power supply unit with matte black metal casing and cooling fan grille

KHACHIMO

KHACHIMO PE1430 Precision 490 690 SC1430 24P+20P 750W Power Supply

SKU CH-CFZH-C324M

ATX power supply with 80 PLUS Gold efficiency, 24+20-pin connectors and 750 W output for Precision 490 and 690 workstations

  • TypeATX
  • Fast wake-from-sleep with Modern Standby compatibility
  • 80 PLUS Gold efficiency cuts power use and heat
  • Zero RPM fan mode for silent low-load operation
  • Resonant LLC topology with DC-to-DC for clean power
  • 750W ATX supply with 24-pin and 20-pin connectors

Dell Precision 490 690 SC1430 Compatibility

This 750W ATX power supply is designed for Dell Precision 490, 690 and SC1430 workstations. It delivers the factory pin-out and connectors those chassis expect, making it a direct replacement for the original unit. Builders upgrading or repairing these specific models will find the correct 24-pin and 20-pin main cables already fitted.

Installation Notes

The unit fits the standard ATX mounting pattern used in the listed Precision towers, so no adapter brackets are required. Cable routing follows the original layout, but the stiff 24-pin and 20-pin leads can be tight behind the motherboard tray; allow extra slack when dressing them. Verify the 0MK463 or 0U9692 part label matches your existing supply before fitting.

Sustained Load Behaviour

With 80 PLUS Gold certification and resonant LLC topology plus DC-to-DC conversion, efficiency stays high across a wide load range, keeping internal temperatures lower during long workstation tasks. The Zero RPM fan mode remains off at low and medium loads, so acoustic output stays minimal until sustained demand spins the fan up. Modern Standby support allows rapid wake from sleep without voltage droop.

Highlights

  • Fast wake-from-sleep with Modern Standby compatibility
  • 80 PLUS Gold efficiency cuts power use and heat
  • Zero RPM fan mode for silent low-load operation
  • Resonant LLC topology with DC-to-DC for clean power
  • 750W ATX supply with 24-pin and 20-pin connectors

Specifications

TypeATX

Questions about this item

How can I confirm the power supply is operating correctly once installed?

The PSU is 80 PLUS Gold certified, so you should see high efficiency and cooler running temperatures, and the Zero RPM fan mode will keep the fan off at low and medium loads for near-silent operation.

What connectors are included and what must I source separately?

The unit provides 24-pin and 20-pin ATX connectors; any additional cables required by your build must be purchased separately.

Which model variant should I choose for a Precision 490 or 690 workstation?

The PE1430 is built for Precision 490 and 690 systems and matches part numbers N750P-00, H750P-00, 0MK463 and 0U9692.

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