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Silver rectangular ATX power supply unit with cooling fan visible

KHACHIMO

KHACHIMO ST-480UAC-05G 480W ATX power supply

SKU CH-QVWT-3RQ5M

A 480W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Resonant LLC topology delivers clean, stable power output
  • DC-to-DC conversion enables deeper energy-saving sleep states

480W ATX Power Supply

The KHACHIMO ST-480UAC-05G is a 480W ATX power supply built for desktop systems. It carries an 80 PLUS Gold certification for high efficiency, lower power consumption and cooler operation. Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine. Modern Standby compatibility enables fast wake-from-sleep and efficient low-load states.

Builders wanting quiet, efficient power

The Zero RPM fan mode stops the fan completely at low and medium loads for near-silent running. This suits workstations or home PCs where noise matters and 480W covers the components installed. Systems that need more than 480W or require a different form factor should look at a higher-capacity or alternative-design unit.

80 PLUS Gold efficiency

The Gold-rated efficiency is the specification that decides if this unit matches the build's power and thermal targets. It confirms high-efficiency operation across typical loads, directly affecting electricity cost, heat output and fan behaviour. If the project demands a different efficiency tier, this supply will not meet that requirement.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Resonant LLC topology delivers clean, stable power output
  • DC-to-DC conversion enables deeper energy-saving sleep states

Specifications

TypeATX

Questions about this item

Which 480W version should I choose?

The ST-480UAC-05G is the only 480W model listed, so no alternative version exists.

What does the 80 PLUS Gold rating mean once the unit is installed?

It guarantees at least 80% efficiency at typical loads, reducing heat and fan noise in daily use.

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

ATX defines the physical size and standard connector set, so it fits regular desktop cases and motherboards.

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