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

KHACHIMO

KHACHIMO 400W ATX Power Supply DPS-400AB-12H

SKU CH-YA1R-7JGQ5

A 400W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC topology for clean, quiet power delivery

  • TypeATX
  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency operation and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean consistent power and reduces coil whine
  • ATX type 400W switching power supply for standard desktop installations

400W ATX Power Supply

The KHACHIMO DPS-400AB-12H is a 400W ATX power supply built for modern desktop systems. It supports Modern Standby for extremely fast wake-from-sleep times and improved low-load efficiency. The unit targets builders who need reliable power for standard components and value quiet operation. It is not suited for configurations requiring higher total output or multiple high-end graphics cards.

80 PLUS Gold Efficiency

Rated at 400 watts, the supply delivers continuous power with 80 PLUS Gold certified efficiency. The resonant LLC topology with DC-to-DC conversion provides clean, consistent voltage regulation across the rails. This design reduces energy waste and helps maintain stable operation under typical loads. Headroom diminishes quickly when several power-hungry devices are added simultaneously.

Zero RPM Fan Mode

At low and medium loads the cooling fan stops completely, enabling near-silent operation during everyday tasks. The same topology that enables Zero RPM mode also reduces coil whine for quieter performance overall. Efficient conversion keeps internal temperatures lower, so the fan spins less often and at lower speeds when active. Heavy sustained loads will eventually require active cooling.

Puntos fuertes

  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency operation and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean consistent power and reduces coil whine
  • ATX type 400W switching power supply for standard desktop installations

Especificaciones

TypeATX

Preguntas sobre este artículo

Will the 400W ATX unit fit and power my older motherboard that uses a 24-pin connector?

The power supply follows the ATX form factor and provides a standard 24-pin motherboard connector, so it fits older boards that use the same interface.

How can I confirm the 80 PLUS Gold efficiency is active after installation?

The unit meets 80 PLUS Gold certification, delivering high efficiency at typical loads; you can verify this with a wall power meter or software that reports PSU efficiency.

What cables come attached to the DPS-400AB-12H and what might I need to add?

The box includes the power supply with its fixed ATX cable harness; any extra connectors required for specific components must be sourced separately.

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