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Black rectangular ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO FSP 300W ATX Power Supply FSP300-70AGBBH

SKU CH-796Z-ZQ6WB

A 300W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby compatibility for quiet, low-power operation

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops fan at low load
  • Resonant LLC with DC-to-DC gives clean, stable power
  • ATX form factor fits standard desktop cases

FSP 300W ATX Power Supply

The KHACHIMO FSP 300W ATX power supply delivers 300 watts of continuous power for standard desktop builds and office workstations. It is designed for users who need reliable, efficient energy delivery without the complexity of modular cabling. The unit carries 80 PLUS Gold certification and supports Modern Standby for fast wake times.

Installation and common issues

Installation follows the standard ATX mounting pattern and uses fixed cables for motherboard, CPU, and peripheral connections. Builders should verify that the fixed cable lengths reach their specific case layout before starting. The Zero RPM fan mode activates automatically at low and medium loads, so an idle fan does not indicate a fault. Coil whine is reduced by the resonant LLC topology with DC-to-DC conversion.

Practical limits of ATX 300W

A 300 watt ATX unit cannot support high-end discrete graphics cards or multi-drive arrays that exceed its rated output. Systems with power-hungry processors and multiple storage devices may trip over-current protection under sustained load. The supply is not suited for builds that require auxiliary PCIe power connectors beyond what the fixed cables provide. Buyers needing more headroom should consider higher-wattage units.

Pontos fortes

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops fan at low load
  • Resonant LLC with DC-to-DC gives clean, stable power
  • ATX form factor fits standard desktop cases

Especificações

TypeATX

Perguntas sobre este artigo

How do I confirm the Zero RPM fan mode is active after installing the FSP300-70AGBBH?

Power on the system and run a light workload; the cooling fan should remain stationary until the load increases, indicating the Zero RPM mode is functioning.

What cables are included with the FSP300-70AGBBH and what might I need to add?

The unit includes the standard ATX main power connector and peripheral cables; specialised GPU or extra cables required by your build must be purchased separately.

Which FSP model should I choose to replace a 300 W or 250 W unit such as the FSP300-60PLN, FSP300-60ATV or FSP250-60ATV?

The FSP300-70AGBBH is a direct 300 W replacement for all three listed models and adds 80 PLUS Gold efficiency with Modern Standby support.

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