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Rectangular metal ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO GW-ONE250 250W 220V ATX power supply

SKU CH-30SZ-F9EAK

ATX power supply delivers 250 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Fast wake-from-sleep and better low-load efficiency with Modern Standby compatibility
  • High efficiency operation lowering power consumption, noise and temperatures via 80 PLUS Gold certification
  • Near-silent operation at low and medium loads through Zero RPM fan mode
  • Clean, consistent power with reduced coil whine using resonant LLC topology and DC-to-DC conversion
  • 250 W ATX power supply for 220 V systems

Modern Standby and 80 PLUS Gold

The KHACHIMO GW-ONE250 is a 250W ATX power supply built for systems that rely on Modern Standby sleep states. Its 80 PLUS Gold certification ensures high efficiency across typical loads, reducing waste heat and overall power draw for compact or office-oriented builds.

Zero RPM fan mode and resonant LLC topology

At low and medium loads the cooling fan stops completely, delivering near-silent operation during everyday tasks. A resonant LLC topology with DC-to-DC conversion supplies clean, consistent power while minimising coil whine and supporting deeper, more efficient sleep states.

ATX form factor for 220V input

The unit follows the standard ATX layout and operates on 220V mains, fitting directly into compatible chassis without adapters. Its 250W capacity suits low-power platforms, leaving headroom for efficient operation rather than high-end graphics or multi-drive arrays.

Pontos fortes

  • Fast wake-from-sleep and better low-load efficiency with Modern Standby compatibility
  • High efficiency operation lowering power consumption, noise and temperatures via 80 PLUS Gold certification
  • Near-silent operation at low and medium loads through Zero RPM fan mode
  • Clean, consistent power with reduced coil whine using resonant LLC topology and DC-to-DC conversion
  • 250 W ATX power supply for 220 V systems

Especificações

TypeATX

Perguntas sobre este artigo

How do I install the GW-ONE250 and what is the step most people miss?

Mount the unit in the case with four screws, connect the 24-pin ATX and CPU power cables to the motherboard, then verify the 220 V input switch is set correctly before turning on.

What maintenance or replacement will the GW-ONE250 need later?

The 80 PLUS Gold unit uses a Zero RPM fan mode; dust the intake periodically and replace the fan only if bearing noise appears after years of use.

What limit appears first on the GW-ONE250 under sustained load?

The 250 W continuous output rating is the hard ceiling; exceeding it triggers over-power protection and shuts the supply down.

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