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

KHACHIMO

KHACHIMO U1D-D10800-DRB 800W ATX power supply

SKU CH-V358-VVD5B

An 800W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode for silent low-load operation, and Modern Standby support for fast wake times

  • TypeATX
  • Modern Standby support gives near-instant wake from sleep
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode stops the fan at light loads
  • Resonant LLC with DC-to-DC conversion delivers clean, stable power
  • 800 W ATX output powers demanding builds

800W ATX Power Supply for Modern Standby Systems

This 800W ATX power supply delivers 80 PLUS Gold certified efficiency and supports Modern Standby for rapid wake-from-sleep performance. It is built for desktop builders who want clean power delivery and quiet operation in a standard ATX form factor. The resonant LLC topology with DC-to-DC conversion ensures stable voltage regulation across varying loads.

Verify ATX Case Fit and Connector Requirements

Confirm your chassis accepts a standard ATX power supply and that your motherboard and components match the available cable connectors. Ensure the total system power draw stays within the 800W rating and that your case provides adequate airflow for the unit's cooling fan. Check that your motherboard supports Modern Standby to use the fast wake feature.

Zero RPM Fan Mode and LLC Topology Benefits

The Zero RPM fan mode stops the fan completely at low and medium loads, providing near-silent operation during everyday tasks. Resonant LLC topology with DC-to-DC conversion reduces coil whine and improves transient response for consistent power output. These features combine to lower noise, improve efficiency at light loads, and support deeper sleep states.

Highlights

  • Modern Standby support gives near-instant wake from sleep
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode stops the fan at light loads
  • Resonant LLC with DC-to-DC conversion delivers clean, stable power
  • 800 W ATX output powers demanding builds

Specifications

TypeATX

Questions about this item

What cables are included with the U1D-D10800-DRB and what must I buy separately?

The unit ships with the standard ATX power cables needed for a typical build; any special-length or custom-sleeved cables are sold separately.

How do I decide which capacity of this model to choose?

The only capacity offered is 800W, so select it when your system's peak power estimate falls below that ceiling and you want the 80 PLUS Gold efficiency headroom.

What does the 800W rating mean once the PSU is installed in my PC?

It guarantees up to 800W of continuous DC output with at least 80 PLUS Gold efficiency, and the Zero RPM fan mode keeps the unit silent at low and medium loads.

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