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Rectangular ATX power supply unit with matte black metal casing and rear fan grille

KHACHIMO

KHACHIMO Z800 850W Power Supply DPS-850DB A 468929-004 508148-001

SKU CH-5ECZ-VCAXJ

An ATX power supply delivering 850 watts with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby compatibility for quiet, low-power sleep states

  • TypeATX
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Modern Standby support gives faster wake times and better idle efficiency
  • Resonant LLC topology with DC-to-DC conversion delivers stable power and reduces coil whine
  • 850 W output handles demanding ATX builds with headroom

KHACHIMO Z800 850W ATX Power Supply

The KHACHIMO Z800 delivers 850 W through a standard ATX form factor, suited to modern desktop builds that demand efficient, quiet power. It carries 80 PLUS Gold certification and supports Modern Standby for rapid wake-from-sleep and improved low-load efficiency. Resonant LLC topology with DC-to-DC conversion provides clean, consistent output while reducing coil whine. The zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation.

Compatibility checks before ordering

Verify that your case accepts a standard ATX power supply and that the total system draw fits within the 850 W rating. Confirm your motherboard uses a 24-pin ATX main connector and that your graphics card and CPU power connectors match the cables supplied. Ensure the unit's physical dimensions suit your chassis, as clearance varies between cases. Modern Standby features require a compatible motherboard and operating system to function.

Build quality and daily implications

The 80 PLUS Gold rating means lower energy waste, less heat and quieter running under typical loads. Zero RPM fan mode keeps the system nearly silent during light tasks such as browsing or media playback. Resonant LLC topology with DC-to-DC conversion delivers stable voltages and minimises coil whine, contributing to a quieter build. Modern Standby compatibility enables extremely fast wake times when paired with supported hardware.

Highlights

  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Modern Standby support gives faster wake times and better idle efficiency
  • Resonant LLC topology with DC-to-DC conversion delivers stable power and reduces coil whine
  • 850 W output handles demanding ATX builds with headroom

Specifications

TypeATX

Questions about this item

Does the KHACHIMO Z800 850W include cables or only the PSU unit itself?

The package contains the power supply unit; modular cables are not included and must be sourced separately for your build.

Should I choose this 850W model or a lower-wattage version for a modern standby system?

This 850W unit supports Modern Standby and 80 PLUS Gold efficiency, making it suitable for high-performance builds that use low-power sleep states.

What does the 850W rating mean for daily use with Zero RPM mode active?

At typical loads the fan stays off for silent running, while the 850W capacity delivers stable power through resonant LLC topology and DC-to-DC conversion.

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