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Rectangular silver ATX power supply unit with ventilation grille and fan visible

KHACHIMO

KHACHIMO NF8480 800W ATX power supply

SKU CH-QTZR-EA3J0

An 800W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for quiet, low-power operation

  • TypeATX
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low load
  • Modern Standby support enables near-instant wake from sleep
  • Resonant LLC with DC-to-DC delivers clean, stable power output
  • 800 W ATX capacity powers demanding server and workstation builds

KHACHIMO NF8480 800W ATX PSU

The KHACHIMO NF8480 is an 800W ATX power supply built for desktop PCs and workstations that demand efficient, reliable power delivery. It suits system builders who want Gold-rated efficiency and modern sleep-state support without moving to higher-wattage server units. Buyers needing more than 800W for multi-GPU arrays or extreme overclocking should look elsewhere.

Thermals, noise and power draw

80 PLUS Gold certification means the unit runs at high efficiency across typical loads, reducing waste heat and keeping internal temperatures lower. A Zero RPM fan mode stops the cooling fan completely at low and medium loads, delivering near-silent operation during everyday tasks. Resonant LLC topology with DC-to-DC conversion further cuts coil whine and supports efficient low-power sleep states.

Modern Standby and bundled benefits

Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency for systems that use connected standby. The resonant LLC and DC-to-DC design provides clean, consistent power output while reducing audible coil noise. These features combine to support quieter, more responsive operation in compatible motherboards and operating systems.

Highlights

  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low load
  • Modern Standby support enables near-instant wake from sleep
  • Resonant LLC with DC-to-DC delivers clean, stable power output
  • 800 W ATX capacity powers demanding server and workstation builds

Specifications

TypeATX

Questions about this item

How do I install this 800W ATX unit and what is the step people often miss?

Mount the unit in a standard ATX case bay with the four supplied screws, connect the 24-pin motherboard and 8-pin CPU cables, then enable the Zero RPM Fan Mode in the BIOS so the fan can actually stop at low load.

What maintenance or replacement will this power supply need later?

The 80 PLUS Gold certified internals are solid-state; only the cooling fan may need cleaning or replacement after several years of dust buildup.

What limit appears first under sustained heavy load?

The 800W continuous output ceiling is reached before any thermal throttle, so total system draw must stay below that figure.

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