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Rectangular black ATX power supply unit with cooling fan visible on one side

KHACHIMO

KHACHIMO 580 760 780 980 255W power supply

SKU CH-5A7P-C5RS9

ATX 255 W power supply with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology for quiet, stable power

  • TypeATX
  • Modern Standby support for rapid wake-from-sleep and improved low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower consumption, less noise and cooler running
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • ATX form factor fits standard desktop builds

Power Supply for OEM Systems

This 255 W ATX unit carries the KHACHIMO branding and matches part numbers such as F255E-00, L255P-00, H255PD-00, H255E-00, N255PD-00, B255PD-00 and 0RM110. It is intended for small-form-factor or pre-built desktops that require a direct replacement with identical mounting points and connector layout. Builders working on custom high-power rigs should look elsewhere.

80 PLUS Gold and Zero RPM Fan Mode

Gold-rated efficiency reduces waste heat and keeps electricity costs lower during everyday workloads. The Zero RPM mode stops the fan completely at low and medium loads, so the system stays near-silent during office tasks or media playback. Modern Standby compatibility allows the PC to wake almost instantly from sleep without extra configuration.

Resonant LLC Topology with DC-to-DC Conversion

This circuit design delivers clean, consistent power and suppresses coil whine for quieter operation. It also enables deeper, more energy-efficient sleep states supported by modern operating systems. The unit is sold new and ready for installation in compatible chassis without modification.

Highlights

  • Modern Standby support for rapid wake-from-sleep and improved low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower consumption, less noise and cooler running
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • ATX form factor fits standard desktop builds

Specifications

TypeATX

Questions about this item

Will the 255W fan ever need replacement?

The Zero RPM Fan Mode keeps the fan off at low and medium loads, so it accumulates less wear than a constantly spinning fan.

What limit appears first during sustained high load?

The 255W rated output is the ceiling; drawing more will trigger protection and shut the unit down.

How loud and hot does it get when running all day?

80 PLUS Gold efficiency and Zero RPM Fan Mode keep heat and noise low, and the fan stays off until the load rises above medium.

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