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Silver rectangular ATX power supply unit with cooling fan grille

KHACHIMO

KHACHIMO 5V 300W GW-1U300WV5 80 PLUS Gold ATX Power Supply

SKU CH-PM9N-C43FB

An ATX power supply delivering 300 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for quiet, low-power sleep states

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low load for silent running
  • Resonant LLC with DC-to-DC delivers clean, stable power
  • 300 W ATX unit fits standard builds

300 W ATX power supply

The KHACHIMO GW-1U300WV5 delivers 300 W of continuous power in a standard ATX form factor. It is built for desktop PCs that require reliable, efficient energy conversion without excess capacity. The unit carries 80 PLUS Gold certification, indicating high efficiency across typical load ranges. Modern Standby compatibility allows extremely fast wake-from-sleep transitions and improved low-load performance.

Compatibility checks

Verify that your motherboard uses a standard ATX 24-pin power connector and that the chassis accepts a regular ATX power supply. Confirm the total system draw stays within the 300 W rating, including CPU, graphics card, drives and peripherals. Ensure the case provides adequate airflow for the unit's fan, which operates in a zero-RPM mode at low and medium loads. Check that the supplied cables reach all required components without strain.

Who this suits

Ideal for compact office PCs, home-theatre builds or entry-level workstations where quiet operation and efficiency matter more than high wattage. The zero-RPM fan mode and resonant LLC topology keep noise to a minimum during light workloads. Not suited for systems with power-hungry discrete graphics cards or multi-GPU configurations that exceed the 300 W limit. Builders needing higher headroom for future upgrades should consider a larger unit.

Points forts

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low load for silent running
  • Resonant LLC with DC-to-DC delivers clean, stable power
  • 300 W ATX unit fits standard builds

Caractéristiques

TypeATX

Questions sur cet article

What cables are included with the KHACHIMO GW-1U300WV5 and what must be purchased separately?

The power supply includes all standard ATX cables needed for a typical build; no extra cables are required for normal installation.

How do I decide between the available versions or capacities of this unit?

This model is offered as a single 300 W version, so there are no alternative capacities or versions to choose from.

What does the 300 W rating mean for actual system power delivery?

The unit can continuously supply up to 300 W across its rails with 80 PLUS Gold efficiency, supporting modern standby sleep states and zero-RPM fan operation at low loads.

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