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Rectangular ATX power supply unit with matte black finish and cooling fan visible

KHACHIMO

KHACHIMO 1KW ATX 80 PLUS Gold power supply

SKU CH-5525-DMY3C

An ATX power supply delivering 80 PLUS Gold efficiency with a zero-RPM fan mode and Modern Standby support for quiet, low-latency wake-ups

  • TypeATX
  • Modern Standby compatible for near-instant wake from sleep
  • 80 PLUS Gold certified for high efficiency and lower heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • ATX form factor fits standard desktop chassis

1 kW ATX power supply for efficient desktop builds

This 1 kW ATX power supply delivers 80 PLUS Gold certified efficiency for desktop systems that demand reliable power with reduced waste heat. The resonant LLC topology with DC-to-DC conversion provides clean, consistent output suitable for modern components. It targets builders who prioritise low-load efficiency and quiet operation in a standard form factor.

Modern Standby compatibility enables rapid sleep

Modern Standby support allows the system to resume from sleep almost instantly while maintaining better efficiency at idle. The Zero RPM fan mode keeps the cooling fan stopped at low and medium loads, eliminating fan noise during light workloads. Together these features reduce acoustic output and power draw when the PC is not under heavy demand.

80 PLUS Gold sets the efficiency baseline

The 80 PLUS Gold rating guarantees high efficiency at typical loads, which lowers electricity consumption and helps keep internal temperatures down. Resonant LLC topology with DC-to-DC conversion further reduces coil whine and supports deeper sleep states for additional savings. Units without this certification or topology may run hotter, noisier, and less efficiently at light loads.

Highlights

  • Modern Standby compatible for near-instant wake from sleep
  • 80 PLUS Gold certified for high efficiency and lower heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • ATX form factor fits standard desktop chassis

Specifications

TypeATX

Questions about this item

Will the cooling fan on this KHACHIMO 1KW ATX unit eventually need replacement after long-term use?

The Zero RPM Fan Mode keeps the fan off at low and medium loads, reducing wear so the fan should last longer before any replacement is needed.

What limit appears first when this power supply runs at high output for extended periods?

The 80 PLUS Gold efficiency rating means heat is the primary constraint; sustained heavy loads will raise internal temperatures until thermal protection engages.

How much noise and heat does this PSU produce when it runs all day under typical loads?

At low and medium loads the fan stays completely off for near-silent operation, and Gold-rated efficiency keeps waste heat and power draw low.

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