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KHACHIMO PRM320-1 320W ATX power supply unit, matte black metal casing with rear fan grille and side label

KHACHIMO

KHACHIMO PRM320-1 320W ATX Power Supply

SKU CH-R2PK-4XGX5

320 W ATX unit with 80 PLUS Gold efficiency, Modern Standby support, a Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion for clean, quiet power

  • TypeATX
  • Modern Standby compatible for near-instant wake from sleep
  • 80 PLUS Gold certified efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 320 W ATX output handles mainstream system builds

PRM320-1 320W ATX Power Supply

The PRM320-1 is a 320W ATX power supply built for modern desktop builds. It carries 80 PLUS Gold certification and supports Modern Standby for rapid wake times and improved low-load efficiency. Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power while reducing coil whine. A Zero RPM fan mode stops the fan at low and medium loads for near-silent operation.

Best for efficient low-power builds

This unit suits compact or office systems where quiet running and high efficiency matter more than high wattage. Builders planning multi-GPU configurations, high-end graphics cards or heavy overclocking should look at higher-capacity power supplies instead. The 320W limit also rules out workstations with many drives or expansion cards that draw sustained power.

320W capacity with Gold headroom

The 320W rating comfortably handles mainstream CPUs, integrated graphics and a single mid-range discrete card under typical loads. Gold-rated efficiency keeps waste heat and electricity use low across the load range. Headroom disappears when the system approaches sustained loads near the rated maximum, at which point the fan will spin up and voltage regulation tightens to its limits.

Points forts

  • Modern Standby compatible for near-instant wake from sleep
  • 80 PLUS Gold certified efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 320 W ATX output handles mainstream system builds

Caractéristiques

TypeATX

Questions sur cet article

Does this 320W ATX unit include the 24-pin main power cable and 4-pin CPU connector my motherboard needs?

The supply is a standard ATX design, so it ships with the 24-pin motherboard connector and a 4-pin CPU power lead built into the cable set.

Will the 80 PLUS Gold efficiency and LLC resonant topology keep my older Haswell-era board stable in deep sleep states?

Yes, the DC-to-DC conversion and Modern Standby support meet the tighter voltage tolerances older platforms require during C6 and C7 states.

How can I confirm the Zero RPM fan mode is actually engaging at idle?

With the system at the desktop and no heavy load, the fan should stay completely still; you can also watch the RPM reading in BIOS or monitoring software drop to zero.

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