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

KHACHIMO

KHACHIMO Power Supply for TDK-Lambda Alpha 400W H47190

SKU CH-PSD4-916NP

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

  • TypeATX
  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • Designed for TDK-Lambda Alpha 400W H47190 power supply replacement

Compatible ATX Replacement

This unit is a new ATX power supply built to replace the TDK-Lambda Alpha 400W H47190. It fits systems that require the original form factor and connector layout. The 400W rating supports typical desktop workloads and office configurations.

Sustained Load Behaviour

The resonant LLC topology with DC-to-DC conversion maintains clean, consistent output during extended use. 80 PLUS Gold certification keeps efficiency high, reducing waste heat and acoustic output. Zero RPM mode keeps the fan off at low and medium loads for near-silent operation.

Installation Notes

As a direct replacement, it uses the original mounting points and cable routing. The Modern Standby compatible design enables faster wake-from-sleep transitions and efficient low-power states. Verify the exact connector pin-outs match the target system before fitting.

Points forts

  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • Designed for TDK-Lambda Alpha 400W H47190 power supply replacement

Caractéristiques

TypeATX

Questions sur cet article

How quiet is the 400W unit under constant load?

The Zero RPM fan mode keeps the fan off at low and medium loads, and the resonant LLC topology with DC-to-DC conversion reduces coil whine for quieter operation.

What motherboard connector does the H47190 require?

It uses a standard ATX form factor, so a motherboard with a 24-pin ATX power socket is needed.

Will this supply wake a legacy PC quickly from sleep?

Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency on supported systems.

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