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Silver rectangular ATX power supply unit with fan grille

KHACHIMO

KHACHIMO ATX-300SD 250W ATX power supply

SKU CH-5PQ4-55Y9G

An 80 PLUS Gold 250 W ATX supply with Zero RPM fan mode, Modern Standby support and resonant LLC topology for quiet, efficient power

  • TypeATX
  • Modern Standby support enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • ATX form factor rated 250 W fits standard desktop builds

KHACHIMO 250W ATX Power Supply

The KHACHIMO ATX-300SD is a new 250-watt ATX power supply built for standard desktop systems. It targets builders who need a compact, efficient unit for everyday computing tasks. This model is not suited for configurations that demand higher continuous power delivery.

80 PLUS Gold Efficiency Rating

The unit carries an 80 PLUS Gold certification, confirming high efficiency across typical load ranges. This reduces overall power draw, lowers operating temperatures and cuts fan noise during normal use. Efficiency at very light loads is also improved for modern standby states.

Zero RPM Fan Mode and LLC Topology

A Zero RPM mode stops the fan completely at low and medium loads for near-silent operation. Resonant LLC topology with DC-to-DC conversion delivers clean, stable power and minimises coil whine. The design supports modern standby for faster wake times and efficient sleep states.

Points forts

  • Modern Standby support enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • ATX form factor rated 250 W fits standard desktop builds

Caractéristiques

TypeATX

Questions sur cet article

What does the 250W rating mean when the unit is installed in a working PC?

It is the maximum continuous power the supply can deliver to all components combined; the 80 PLUS Gold rating means at least 80 % of wall power reaches the system at typical loads.

How does the ATX form factor limit what this supply can power?

The ATX footprint and standard connector set fit ordinary desktop cases and motherboards, so the 250W ceiling is the practical limit for the graphics card and CPU you can run.

What physical space and mounting does this unit need in a case?

It uses the standard ATX dimensions and four rear mounting screws, so any case with an ATX power-supply bay will accept it.

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