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Rectangular ATX power supply unit in matte black finish with cooling fan visible

KHACHIMO

KHACHIMO 690W ATX Power Supply DPS-690AB A 54Y8980

SKU CH-9R53-Z5WP1

A 690W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for compatible workstations

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps system silent at low loads
  • Resonant LLC with DC-to-DC delivers clean, stable power
  • 690 W ATX output suits P720 and P520 workstations

Workstation 690W ATX Power Supply

The KHACHIMO DPS-690AB A 54Y8980 is a 690W ATX power supply built for compatible workstation systems such as the P720 and P520. It delivers stable power through a resonant LLC topology with DC-to-DC conversion, ensuring clean output for demanding components.

For Modern Standby Workstations

This unit suits owners of supported workstations who want 80 PLUS Gold efficiency and Modern Standby compatibility for fast wake times. Builders using non-standard form factors, proprietary connectors, or higher wattage requirements should look at other options.

Zero RPM Fan and Quiet Topology

The Zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation. Resonant LLC topology with DC-to-DC conversion further reduces coil whine and enables more energy-efficient sleep states.

How it compares

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

Price $293.99
Pricier 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 workstation models does this 690W supply fit?

The unit is listed for the P720 and P520 workstations and carries the part number 54Y8980.

Will this PSU work with an older motherboard that still uses a 24-pin ATX connector?

Yes, it is an ATX-type power supply, so the main connector matches the standard 24-pin layout used by older boards.

How can I confirm the fan is behaving correctly after installation?

At low and medium loads the fan should stop completely due to Zero RPM mode; under heavier load it will spin up automatically.

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