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

KHACHIMO

KHACHIMO EPW20-48A 20 48 80 power supply

SKU CH-C58E-RJTKG

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

  • TypeATX
  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC with DC-to-DC gives clean power and less coil whine
  • ATX form factor fits standard desktop cases

Modern Standby ATX Power Supply

The KHACHIMO EPW20-48A is an ATX power supply built for systems that use Modern Standby sleep states. It suits builders who want fast wake times and low idle draw without sacrificing efficiency.

80 PLUS Gold Efficiency Limits

The 80 PLUS Gold rating guarantees high efficiency at typical loads, reducing waste heat and fan noise, but the standard does not mandate efficiency at very light or peak loads. Zero RPM mode keeps the fan off at low and medium loads, yet the fan will spin under sustained heavy demand.

Replaces Older Non-Gold ATX Units

This unit upgrades from older ATX supplies that lack Gold certification, Modern Standby support, or zero-fan operation. The jump is worthwhile when building or refreshing a PC that spends long periods in low-power sleep and needs quieter, cleaner DC-to-DC power delivery.

Points forts

  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC with DC-to-DC gives clean power and less coil whine
  • ATX form factor fits standard desktop cases

Caractéristiques

TypeATX

Questions sur cet article

Which wattage should I choose for a build that only needs 20 48 80?

The model code EPW20-48A references 20, 48 and 80; match the unit to your system's total power draw rather than the numbers in the name.

What does the 80 PLUS Gold rating deliver in daily use?

It guarantees high efficiency at typical loads, lowering electricity use, reducing heat output and allowing quieter fan behaviour.

How does the ATX form factor limit installation options?

ATX sizing fits standard mid-tower and full-tower cases but will not suit small-form-factor chassis that require SFX or TFX units.

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