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

KHACHIMO

KHACHIMO 400W ATX Power Supply FSP450-60LHLAA S600 FSP450-60IHAA 80 PLUS Gold

SKU CH-Q9KT-5TYQW

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

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low loads for silent running
  • Resonant LLC with DC-to-DC gives clean, stable power
  • 400 W ATX output fits standard desktop builds

400W ATX Power Supply for Modern Standby

This new KHACHIMO unit delivers 400W continuous power through an ATX form factor. It carries 80 PLUS Gold certification and uses a resonant LLC topology with DC-to-DC conversion for stable voltage regulation. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency.

Suited for efficient low-load systems

Builders who want near-silent operation at idle will benefit from the Zero RPM fan mode that stops the fan entirely under light loads. The topology reduces coil whine and supports deeper sleep states for quiet office or home PCs. Buyers who need higher continuous output for multi-GPU configurations or extreme overclocking should look at higher-wattage units.

The deciding specification is the 400W ATX rating

This figure defines the total continuous power available to the system. The 80 PLUS Gold certification confirms high typical efficiency, lowering consumption and heat. Modern Standby support ensures compatibility with fast wake requirements on supported platforms.

How it compares

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

Price $117.99
Cheaper than about 60% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What does the 400W rating mean for my build?

It delivers up to 400W of continuous power to the components inside the case, suitable for mainstream CPUs and mid-range graphics cards.

What does the 80 PLUS Gold badge tell me about the ATX connection?

The Gold certification means the unit meets high efficiency targets across typical loads, so less energy is lost as heat through the standard ATX connectors.

Will this unit fit a standard ATX case and mount correctly?

Yes, it follows the ATX form factor so it fits standard ATX mounting points and uses the usual screw pattern.

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