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

KHACHIMO

KHACHIMO R310 400W ATX Power Supply

SKU CH-DRP6-YANP6

An ATX 400 W power supply with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC plus DC-to-DC topology for quiet, stable power

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stays off at low loads for silent running
  • LLC resonant plus DC-to-DC topology delivers clean power
  • Reduces coil whine and enables deeper sleep states

400W ATX Power Supply

The KHACHIMO R310 is a 400W ATX power supply built for modern desktop systems. It targets builders who need reliable, efficient power delivery for standard components without excessive overhead. The unit carries 80 PLUS Gold certification for verified efficiency. It is not suited for builds requiring higher wattage or multiple high-end graphics cards.

Thermals Noise And Power Draw

80 PLUS Gold certification means the supply runs at high efficiency during typical workloads, reducing waste heat and overall power draw. A Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation. Resonant LLC topology with DC-to-DC conversion further cuts coil whine and supports energy-efficient sleep states. Modern Standby compatibility enables extremely fast wake-from-sleep times.

Sustained Load Behaviour

Under continuous demand the Resonant LLC topology with DC-to-DC conversion maintains clean, consistent power output. The design reduces coil whine even when the fan engages at higher loads. Gold-rated efficiency keeps temperatures lower than less efficient units during prolonged use. Modern Standby support ensures the supply handles frequent sleep and wake cycles without instability.

Points forts

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stays off at low loads for silent running
  • LLC resonant plus DC-to-DC topology delivers clean power
  • Reduces coil whine and enables deeper sleep states

Caractéristiques

TypeATX

Questions sur cet article

How do I install the KHACHIMO R310 400W ATX power supply in my case?

Mount the unit with four screws at the rear of the case, connect the 24-pin ATX and 4+4-pin CPU cables to the motherboard, then attach PCIe leads to drives and graphics cards.

What maintenance will the power supply need over time?

The Zero RPM Fan Mode stops the fan at low and medium loads, reducing wear; clean dust from the intake grill periodically to maintain airflow when the fan spins.

What limit appears first when the unit runs at high load for long periods?

The 400W maximum output is the hard ceiling; sustained draws near that level will trigger over-power protection before thermal limits become an issue.

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