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KHACHIMO ATX power supply unit in matte black finish

KHACHIMO

KHACHIMO ATX Power Supply 28V 5.5A 80 PLUS Gold

SKU CH-ZJM7-118S9

An ATX power supply delivering 28 V at 5.5 A with 80 PLUS Gold efficiency, zero-RPM fan mode and resonant LLC topology for quiet, low-load operation

  • TypeATX
  • Fast wake and efficient sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw, noise and heat
  • Fan stops completely at low loads for silent running
  • Resonant LLC with DC-to-DC delivers clean power and reduces coil whine
  • 28 V 5.5 A output tailored for TDK RKW28-5R5C replacement

ATX Power Supply 28V 5.5A

The KHACHIMO unit is an ATX form-factor power supply delivering 28 V at 5.5 A. It carries 80 PLUS Gold certification for high-efficiency operation and is designed as a direct replacement for the TDK RKW28-5R5C model.

Modern Standby systems needing 28 V output

This supply suits builds that require a 28 V ATX source with Modern Standby compatibility, fast wake-from-sleep, and a Zero RPM fan mode for silent low-load running. It is not for systems that need a different output voltage or a higher current rating on this rail.

80 PLUS Gold efficiency rating

The Gold certification confirms high efficiency across typical loads, reducing power draw, heat output and acoustic noise. This single metric determines whether the unit meets your efficiency target for the intended workload.

Helstu kostir

  • Fast wake and efficient sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw, noise and heat
  • Fan stops completely at low loads for silent running
  • Resonant LLC with DC-to-DC delivers clean power and reduces coil whine
  • 28 V 5.5 A output tailored for TDK RKW28-5R5C replacement

Tæknilýsing

TypeATX

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Does the 80 PLUS Gold efficiency keep the unit cool and quiet during all-day operation?

The 80 PLUS Gold certification means high efficiency, so less waste heat is produced. At low and medium loads the Zero RPM mode stops the fan completely for near-silent running.

What existing hardware is required to use this 28 V 5.5 A ATX supply?

You need a system or device that accepts a standard ATX power connector and draws 28 V DC at up to 5.5 A, such as the TDK RKW28-5R5C unit this model replaces.

Will Modern Standby support work with an older motherboard that only has traditional sleep states?

Modern Standby compatibility enables faster wake times and efficient low-power states on supported platforms; on older boards the supply will still deliver power but those specific sleep features will not be active.

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