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

KHACHIMO

KHACHIMO 800W ATX power supply DD801M53.5-1M1 80 PLUS Gold

SKU CH-2QT8-WJDNJ

An 800 W ATX unit with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC plus DC-to-DC topology for clean, quiet power delivery

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode delivers silent low-load operation
  • Resonant LLC topology with DC-to-DC conversion ensures clean power
  • ATX form factor fits standard 800W system builds

800 W ATX power supply for modern PCs

The KHACHIMO DD801M53.5-1M1 delivers 800 W of continuous power through a standard ATX form factor. It targets system builders who need reliable output for mid-range components and Modern Standby support. The 80 PLUS Gold rating confirms high efficiency across typical load ranges. Buyers who want more storage or multiple high-end graphics cards should consider a higher-wattage unit.

Gold efficiency with semi-passive cooling

80 PLUS Gold certification means lower power draw, reduced heat output and quieter operation compared with lower-rated supplies. Zero RPM fan mode stops the fan completely at low and medium loads for near-silent running. Resonant LLC topology with DC-to-DC conversion keeps voltages stable and minimises coil whine. These features suit quiet-focused builds and energy-conscious users.

Modern Standby and cleaner power delivery

Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. The resonant LLC and DC-to-DC design reduces coil whine and supports deeper sleep states. No extra cables or software utilities are mentioned in the specifications. Installers needing specialised connectors or monitoring software must source them separately.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode delivers silent low-load operation
  • Resonant LLC topology with DC-to-DC conversion ensures clean power
  • ATX form factor fits standard 800W system builds

Specifications

TypeATX

Questions about this item

How is the KHACHIMO 800W ATX unit installed and which step is most often missed?

Mount the supply in the case with four screws, route the 24-pin ATX, CPU and PCIe cables to the motherboard and graphics card, then ensure the main power switch on the rear is set to the on position before first boot.

What maintenance or replacement will the 800W unit need later?

The 80 PLUS Gold certified supply uses a Zero RPM fan that stops at low load; plan to clean dust from the intake grill annually and replace the unit if fan bearings become noisy after several years.

What limit appears first on the DD801M53.5-1M1 during sustained heavy loads?

Continuous output is capped at 800W; exceeding this triggers over-power protection and shuts the unit down, so total system draw must stay below that threshold.

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