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Rectangular black metal ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO ACE900F 7.5V 18A 900W ATX Power Supply

SKU CH-4WRZ-Y639H

An ATX power supply delivering 900 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stays silent at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers stable, clean power
  • 5V 18A output provides up to 900W for demanding systems

High-efficiency ATX power supply

The KHACHIMO ACE900F is an ATX form-factor unit built for desktop builders who want certified gold-level efficiency and quiet operation. It supports Modern Standby for rapid wake-from-sleep and uses resonant LLC topology with DC-to-DC conversion to deliver clean, stable power. The zero-RPM fan mode keeps the system near-silent at low and medium loads.

900 W continuous output

The single specification that decides fit is the 900 W rating combined with a 7.5 V rail capable of 18 A. This determines whether the unit can meet the peak draw of your chosen components. The 80 PLUS Gold certification confirms high efficiency across typical loads, reducing waste heat and fan noise.

Headroom for demanding builds

At 900 W the supply comfortably handles high-end graphics cards and multi-core processors under full load. The DC-to-DC design maintains tight voltage regulation on minor rails for modern sleep states. It runs out when total system draw exceeds the rated maximum or when a configuration requires connectors not provided by this unit.

Highlights

  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stays silent at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers stable, clean power
  • 5V 18A output provides up to 900W for demanding systems

Specifications

TypeATX

Questions about this item

What does the 900 W rating mean once the supply is installed in a real PC?

It is the maximum continuous power the unit can deliver across all rails while staying within 80 PLUS Gold efficiency limits.

How does the ATX form factor limit what I can connect?

The ATX design fixes the main 24-pin, CPU and PCIe connector layout, so cable reach and port count follow that standard.

What clearance does the unit need to fit and mount in my case?

It uses the standard ATX mounting pattern with four rear screws and requires a case bay deep enough for a typical ATX-length chassis.

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