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A standard ATX power supply unit in a matte black metal enclosure with a rear fan grille and side label

KHACHIMO

KHACHIMO 310W ATX Power Supply 80 PLUS Gold

SKU CH-N8D8-NKRA4

An 80 PLUS Gold ATX power supply with zero-RPM fan mode and LLC resonant topology for silent, efficient operation

  • TypeATX
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Resonant LLC with DC-to-DC delivers clean power and reduces coil whine
  • Modern Standby compatible for faster wake times and better idle efficiency
  • 310 W ATX form factor fits standard desktop builds

310W ATX power supply for compact builds

This 310W ATX unit is designed for small-form-factor PCs and office workstations that need reliable power without excess capacity. Its 80 PLUS Gold certification ensures high efficiency across typical loads, reducing heat and electricity use. The Modern Standby compatibility enables extremely fast wake-from-sleep times, making it well suited for systems that frequently enter low-power states. It is not intended for builds that demand higher wattage for discrete graphics cards or heavy overclocking.

Resonant LLC topology and zero-RPM fan

The resonant LLC topology with DC-to-DC conversion delivers clean, consistent power while reducing coil whine for quieter operation. At low and medium loads the cooling fan switches off entirely, providing near-silent performance during everyday tasks. Standard ATX mounting and cabling fit typical chassis layouts, though the 310W limit means builders must verify total system draw stays within this ceiling. No modular cable system is described, so cable routing follows a fixed configuration.

Modern Standby support and efficient sleep states

Modern Standby compatibility allows the PC to resume from sleep almost instantly while maintaining better low-load efficiency. The LLC resonant design further enables more energy-efficient sleep states, contributing to lower overall power consumption. No additional software utilities or accessory cables are mentioned in the supplied data, so the unit ships as a standalone power supply ready for installation.

Highlights

  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Resonant LLC with DC-to-DC delivers clean power and reduces coil whine
  • Modern Standby compatible for faster wake times and better idle efficiency
  • 310 W ATX form factor fits standard desktop builds

Specifications

TypeATX

Questions about this item

What does 80 PLUS Gold certification mean for this 310W unit?

It guarantees high efficiency at typical loads, reducing power draw, heat output and fan noise compared with lower-rated supplies.

What physical space and connectors does this ATX power supply require?

It uses a standard ATX form factor and includes a 4-pin CPU power connector alongside the main 24-pin ATX connector.

How do I enable the zero-RPM fan mode on this PSU?

The fan stops automatically at low and medium loads; no user setting is needed — just ensure the unit has adequate airflow in the case.

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