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Rectangular ATX power supply unit with matte black metal casing and rear fan grille

KHACHIMO

KHACHIMO For FSP AOC 350W ATX350-50HYA Power Supply

SKU CH-P9HT-SYSCV

An ATX power supply delivering 350 W with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support

  • TypeATX
  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the system silent at low load
  • Resonant LLC topology with DC-to-DC delivers clean, stable power
  • 350 W ATX capacity fits compact and standard builds

KHACHIMO 350 W ATX power supply

This KHACHIMO unit is a 350 W ATX switching power supply built for FSP AOC platforms. It suits system integrators and DIY builders who need a compact, efficient source for mainstream desktops or small-form-factor workstations. The Modern Standby design targets fast wake-from-sleep response in everyday office and home PCs.

Thermals noise and power draw

80 PLUS Gold certification confirms high efficiency at typical loads, reducing waste heat and keeping internal temperatures lower. A Zero RPM fan mode stops the cooling fan completely at low and medium loads for near-silent operation. Resonant LLC topology with DC-to-DC conversion delivers clean power while further cutting coil whine and supporting deeper sleep states.

Build fit and requirements

The ATX form factor fits standard chassis cut-outs and cable routing for FSP AOC 350 W and 450 W reference designs. Modern Standby compatibility frees the builder from legacy sleep-state constraints and enables quicker resume times. No extra thermal headroom or specialised cooling is demanded beyond normal case airflow.

Highlights

  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the system silent at low load
  • Resonant LLC topology with DC-to-DC delivers clean, stable power
  • 350 W ATX capacity fits compact and standard builds

Specifications

TypeATX

Questions about this item

How do I install the ATX power supply and what step do people often miss?

Mount the unit in the case with the four standard screws, connect the 24-pin ATX and CPU power cables, then verify the motherboard BIOS has Modern Standby enabled or the fast wake feature will not work.

What maintenance will this 350W unit need later?

The Zero RPM fan stops at low load so dust builds up slowly; clean the intake grill once a year with compressed air and the fan bearings should last the life of the supply.

What limit appears first during sustained heavy load?

Continuous output is capped at 350W; exceeding that triggers over-power protection and shuts the unit down before temperatures reach a critical point.

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