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Rectangular ATX power supply unit with matte black metal casing and rear exhaust fan grille

KHACHIMO

KHACHIMO 400W ATX Power Supply Gold 80 PLUS

SKU CH-7EDJ-RHHB0

400W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for fast wake times

  • TypeATX
  • Modern Standby compatibility for near-instant wake from sleep
  • 80 PLUS Gold certification delivers high efficiency and lower heat
  • Zero RPM fan mode stops the fan at low load for silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • ATX form factor fits standard desktop builds

Efficient 400W ATX Power Supply

The KHACHIMO 400W ATX unit delivers 80 PLUS Gold certified efficiency for desktop PCs. Its Resonant LLC topology with DC-to-DC conversion provides clean, consistent power across varying loads. Modern Standby compatibility enables extremely fast wake-from-sleep times. It suits builders seeking reliable, efficient power for standard system configurations.

Thermals Noise and Power Draw

80 PLUS Gold certification ensures high efficiency operation, resulting in lower power consumption and reduced heat output. The Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation. Resonant LLC topology further reduces coil whine, contributing to quieter performance during typical workloads.

Modern Standby and Topology Benefits

Modern Standby support allows the system to enter and exit low-power sleep states more efficiently. The DC-to-DC conversion architecture enables these energy efficient sleep states while maintaining stable voltage regulation. These features combine to improve responsiveness and reduce idle power draw without requiring user configuration.

Puntos fuertes

  • Modern Standby compatibility for near-instant wake from sleep
  • 80 PLUS Gold certification delivers high efficiency and lower heat
  • Zero RPM fan mode stops the fan at low load for silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • ATX form factor fits standard desktop builds

Especificaciones

TypeATX

Preguntas sobre este artículo

How do I install the ATX power supply and what step do people often miss?

Mount the unit in the case with four screws, connect the 24-pin ATX and CPU power cables, then enable Modern Standby in the BIOS so the fast wake-from-sleep feature actually works.

What maintenance will this 400W Gold unit need later?

The Zero RPM fan stops at low load, so dust builds up unseen; vacuum the intake grille once a year and listen for bearing noise that signals a future fan replacement.

What limit appears first during sustained high load on this 400W supply?

Continuous output is capped at 400 W; exceeding it triggers over-power protection and shuts the unit down until the load drops.

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