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

KHACHIMO

KHACHIMO S4048T-ON 550W ATX Power Supply

SKU CH-WNGT-DNK87

An ATX power supply delivering 550 W with 80 PLUS Gold efficiency, Modern Standby support, a Zero RPM fan mode for silent low-load operation.

  • TypeATX
  • Modern Standby support enables faster wake times and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption and cooler operation
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent performance
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • 550 W ATX output supplies reliable power for modern components

550W ATX Power Supply

The KHACHIMO S4048T-ON is a 550 watt ATX switching power supply designed for desktop systems that require reliable, efficient power delivery. It suits builders assembling a new PC or upgrading an existing unit where modern standby support and low-noise operation are priorities.

Compatibility checks

Verify that your case accepts a standard ATX form factor power supply and that the available cable connectors match your motherboard, graphics card and storage devices. Ensure the 550 watt capacity aligns with the total power draw of your chosen components.

Build integration

The unit delivers clean, consistent power through resonant LLC topology with DC-to-DC conversion, reducing coil whine and supporting energy-efficient sleep states. Its 80 PLUS Gold certification lowers overall power consumption and heat output. Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent running, while modern standby compatibility enables extremely fast wake-from-sleep times.

Points forts

  • Modern Standby support enables faster wake times and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption and cooler operation
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent performance
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • 550 W ATX output supplies reliable power for modern components

Caractéristiques

TypeATX

Questions sur cet article

Does the KHACHIMO S4048T-ON 550W include all necessary ATX cables or must any be purchased separately?

The power supply is an ATX unit rated at 550W; the supplied cables are those fitted by the manufacturer for standard desktop builds.

What does the 80 PLUS Gold certification mean for this 550W model?

It guarantees high efficiency operation, resulting in lower power consumption, less noise, and cooler temperatures under typical loads.

How does the Zero RPM fan mode behave on the S4048T-ON in a real system?

At low and medium loads the cooling fan switches off entirely, delivering near-silent operation until higher loads require active cooling.

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