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Silver rectangular 1U ATX power supply unit with rear fan grille and modular cable sockets

KHACHIMO

KHACHIMO EFAP-481VS 480W ATX Power Supply 80 PLUS Gold

SKU CH-30VP-W59TJ

An 80 PLUS Gold ATX unit delivering 480 W with zero-RPM fan mode and LLC resonant topology for silent, efficient Modern Standby support

  • TypeATX
  • Modern Standby compatibility for extremely fast wake-from-sleep
  • 80 PLUS Gold certified for lower power consumption and cooler operation
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • 480W ATX power supply built for reliable system performance

480W ATX supply for compact builds

The KHACHIMO EFAP-481VS is a 480W ATX power supply designed for systems that require a 1U form factor. It suits builders assembling rackmount servers, small-form-factor workstations or other space-constrained chassis where a standard-height unit will not fit. The unit is new and carries 80 PLUS Gold certification for verified efficiency.

80 PLUS Gold thermals and Zero RPM mode

80 PLUS Gold certification means the unit runs with high efficiency, reducing waste heat and overall power draw during normal operation. A Zero RPM fan mode stops the cooling fan completely at low and medium loads, delivering near-silent running for everyday tasks. Resonant LLC topology with DC-to-DC conversion further limits coil whine and supports modern, low-power sleep states.

Modern Standby support and 1U mounting

Modern Standby compatibility enables extremely fast wake-from-sleep times and improved efficiency at very low loads. The 1U height dictates the mounting pattern, so the unit fits only chassis designed for that slim profile. Builders should verify their case accepts a 1U supply before purchase, as standard ATX towers typically require a taller unit.

Punti di forza

  • Modern Standby compatibility for extremely fast wake-from-sleep
  • 80 PLUS Gold certified for lower power consumption and cooler operation
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • 480W ATX power supply built for reliable system performance

Caratteristiche tecniche

TypeATX

Domande su questo articolo

How is the 1U 480W unit mounted in a standard ATX chassis and which screw pattern do I use?

The supply uses the standard ATX four-hole mounting pattern; align the 1U chassis holes with the case standoffs and secure all four screws before connecting cables.

What maintenance does the Zero RPM fan mode require over time?

Dust the intake and exhaust vents every few months; the fan spins only at higher loads, so bearings see less wear, but debris can still block airflow when the fan activates.

Which limit appears first when the EFAP-481VS runs at continuous full load?

The 480W rated output is the primary limit; protection circuits will shut the unit down if sustained draw exceeds this level or if internal temperatures rise beyond safe thresholds.

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