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Rectangular ATX power supply unit with metallic casing and cooling fan visible

KHACHIMO

KHACHIMO Power Supply 70W 80 PLUS Gold REL-70-3002

SKU CH-Y8NE-9N9BG

70 W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, and a Zero RPM fan mode for silent low-load operation

  • TypeATX
  • Fast wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stays off at low loads for silent running
  • Resonant LLC with DC-to-DC delivers clean, stable power
  • 70 W output with 5 V, +15 V and -15 V rails

For REL-70-3002 systems

This 70 W ATX power supply is built specifically for the REL-70-3002 platform, delivering 5 V at 6 A, +15 V at 2 A and -15 V at 2 A. It suits builders replacing the original unit or assembling a matching system who need the exact voltage rails this model requires.

Sustained load behaviour

The 80 PLUS Gold certification means high efficiency is maintained across typical operating ranges, reducing waste heat and keeping internal temperatures lower during extended use. Resonant LLC topology with DC-to-DC conversion supplies clean, consistent power under continuous demand while minimising coil whine. Zero RPM fan mode keeps the unit silent at low and medium loads, spinning up only when thermal conditions require active cooling.

Compatibility checks

Verify that your chassis accepts a standard ATX form-factor supply and that the REL-70-3002 pinout matches the motherboard or backplane you are powering. Confirm the 70 W total capacity covers every rail your build draws, including any add-in cards or drives. Ensure the Modern Standby implementation on your board aligns with the supply’s fast wake-from-sleep design.

Highlights

  • Fast wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stays off at low loads for silent running
  • Resonant LLC with DC-to-DC delivers clean, stable power
  • 70 W output with 5 V, +15 V and -15 V rails

Specifications

TypeATX

Questions about this item

Does the 80 PLUS Gold certification keep the 70W unit quiet and cool during all-day use?

Yes, the Gold rating means higher efficiency, which lowers power draw, reduces heat output and lets the fan stay off longer under light loads.

What motherboard connector does this ATX supply need to power the IPD board?

It uses a standard ATX 24-pin main connector plus the 5V, +15V and -15V rails required by the REL-70-3002.

Will the Zero RPM fan mode and LLC topology work with older components that draw very little power at idle?

Yes, the DC-to-DC design maintains tight regulation at low loads, and the fan remains off until the unit reaches medium load.

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