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

KHACHIMO

KHACHIMO 80 PLUS Gold 500W ATX power supply

SKU CH-CWNQ-GDE1Y

ATX power supply delivering 500 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Faster wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Fan stops at low loads for silent running
  • Resonant LLC topology delivers stable, clean power
  • DC-to-DC conversion enables efficient sleep states

Capacity and Efficiency

This 500W ATX unit delivers 80 PLUS Gold certified efficiency, reducing power draw and heat under typical desktop loads. It handles modern standby states and standard PC components comfortably, but high-end graphics cards or multi-GPU configurations will exceed its headroom. The DC-to-DC conversion and resonant LLC topology keep voltage stable within its rated output. Builders needing more than 500 watts should look elsewhere.

Cooling and Acoustics

A zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation. Under heavier demand the fan spins up to maintain safe temperatures, so completely passive cooling is not sustained at full output. The design targets quieter performance than units without semi-passive modes, yet audible airflow will appear when the supply is pushed. Systems requiring guaranteed silence at maximum load cannot rely on this behaviour.

Compatibility and Form Factor

The 2U height fits rackmount or slim chassis that accept standard ATX power supplies. Modern standby support enables faster wake times on compatible motherboards, but older platforms without the feature gain no benefit. No modular cables are mentioned, so cable management flexibility depends on the fixed harness. Installers needing fully modular cabling or non-ATX form factors will find this unit unsuitable.

Highlights

  • Faster wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Fan stops at low loads for silent running
  • Resonant LLC topology delivers stable, clean power
  • DC-to-DC conversion enables efficient sleep states

Specifications

TypeATX

Questions about this item

Will this 500W ATX unit work with a motherboard that uses a 24-pin and 4+4-pin CPU connector?

Yes, the ATX form factor matches standard 24-pin motherboard and 4+4-pin CPU power sockets found on older boards.

How do I know the Zero RPM Fan Mode is active after installation?

At low and medium loads the fan stops completely; you will hear no fan noise while the system is idle or under light use.

What connectors come attached to the PSU and what must I add?

The unit is a fixed-cable ATX supply with 80 PLUS Gold certification and Modern Standby support; all leads are integrated.

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