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Rectangular black ATX power supply unit with fan grille and cable bundle

KHACHIMO

KHACHIMO 400W ATX Power Supply SP400-A

SKU CH-ZK1A-QM7AS

An 80 PLUS Gold ATX unit delivering 400 W with Modern Standby support, zero-RPM fan mode and resonant LLC topology for quiet, efficient power

  • Product typeATX
  • Faster wake from sleep with Modern Standby compatibility
  • Lower energy use and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation at light loads thanks to Zero RPM fan mode
  • Clean, stable power delivery using resonant LLC with DC-to-DC conversion
  • Reduced coil whine for quieter overall system noise

What this PSU is

The KHACHIMO SP400-A is a 400W ATX power supply built with Resonant LLC topology and DC-to-DC conversion for clean, consistent output. It carries 80 PLUS Gold certification, Zero RPM fan mode and Modern Standby compatibility for fast wake times and low-load efficiency.

Check your build first

Verify that your system power draw stays within the 400W rating and that your case accepts a standard ATX unit. Confirm the included cable set covers your motherboard, CPU and graphics connectors before ordering.

Who it suits and who it doesn't

Suits office PCs, home-theatre builds and compact workstations that value silent operation and high efficiency at modest loads. Not for gaming rigs or workstations that need more headroom, multiple GPU power cables or higher continuous wattage.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $185.99
Pricier than about 60% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

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