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KHACHIMO ACE300F 300W ATX power supply unit, matte black metal case with fan grille

KHACHIMO

KHACHIMO ACE300F 300W power supply

SKU CH-AY6Q-7GFNQ

ATX 300W unit with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and LLC resonant DC-to-DC topology for clean, quiet power

  • TypeATX
  • Modern Standby support for extremely fast wake-from-sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC with DC-to-DC gives clean power and less coil whine
  • 300 W ATX output fits standard desktop builds

ATX power supply for compact builds

The KHACHIMO ACE300F delivers 300 W through a standard ATX form factor. It suits office desktops, small-form-factor PCs and basic home systems that do not need high-wattage headroom. The 80 PLUS Gold certification keeps efficiency high across typical loads. Modern Standby support enables rapid wake-from-sleep behaviour.

Fits standard ATX cases and modern sleep states

The unit slots into any chassis with an ATX power-supply bay and provides the connectors required by current motherboards. Resonant LLC topology with DC-to-DC conversion produces clean rails for stable component operation. Modern Standby compatibility frees the system to enter deeper low-power states without losing responsiveness.

Gold efficiency with semi-passive cooling

At low and medium loads the fan stops completely thanks to Zero RPM Fan Mode, eliminating audible noise. The 80 PLUS Gold rating reduces waste heat, so internal temperatures stay lower during everyday workloads. Resonant LLC design also minimises coil whine for quieter overall operation.

Highlights

  • Modern Standby support for extremely fast wake-from-sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC with DC-to-DC gives clean power and less coil whine
  • 300 W ATX output fits standard desktop builds

Specifications

TypeATX

Questions about this item

How does the 300 W output behave when the system runs at full load for hours?

The unit delivers a continuous 300 W through its resonant LLC topology with DC-to-DC conversion, keeping voltage stable under sustained demand.

What noise and heat levels should I expect during all-day operation?

80 PLUS Gold efficiency reduces waste heat, and the Zero RPM fan mode stops the fan at low and medium loads for near-silent running.

Which motherboard power connectors must my board already provide for this supply to work?

It uses a standard ATX interface, so your motherboard needs the matching 24-pin main connector and CPU power connector.

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