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

KHACHIMO

KHACHIMO P310 320 410 10Pin 400W Power Supply

SKU CH-J1YC-J3N37

An ATX power supply delivering 400 W through a 10-pin connector with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power use and heat
  • Fan stays off at low loads for silent running
  • Resonant LLC and DC-to-DC design delivers clean power
  • 400 W output with 10-pin connector for compatible systems

KHACHIMO 400W ATX Power Supply

The KHACHIMO P310 320 410 is a new 400W ATX power supply carrying 80 PLUS Gold certification. It uses resonant LLC topology with DC-to-DC conversion to deliver clean, consistent power across the rails. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. A zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation.

Who this suits and who it does not

This unit suits builders who need an ATX power supply with Gold-rated efficiency, silent fan behaviour and Modern Standby support for fast sleep transitions. It is not for systems that require more than 400W of continuous power or configurations demanding additional PCIe connectors beyond what this model provides. Buyers needing higher wattage or extra cables should consider a larger unit.

Deciding specification: 400W 80 PLUS Gold ATX

The single specification that decides fit is the 400W 80 PLUS Gold ATX rating. This defines the total continuous power available and the efficiency level across typical loads. Match this figure against your components' combined power draw to confirm the supply can handle the build. If the system needs more power, this model will not be sufficient.

How it compares

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

Price $81.99
Cheaper than about 75% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

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