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Silver ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO CX-AT380-24-48L 280W ATX power supply

SKU CH-8PSG-T1GR4

An ATX power supply delivering 280 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for fast, quiet wake-ups

  • TypeATX
  • Modern Standby support for extremely fast wake-from-sleep times
  • 80 PLUS Gold certification for lower power consumption and cooler operation
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • ATX form factor fits standard desktop builds

280W ATX Power Supply

The KHACHIMO CX-AT380-24-48L is a 280W ATX power supply designed for modern desktop builds that value efficiency and quiet operation. It suits office workstations, home PCs and compact systems where low power draw and fast wake times matter. Builders who need higher wattage for discrete graphics cards or multi-drive arrays should look elsewhere.

Thermals Noise and Power Draw

The 80 PLUS Gold certification means high efficiency at typical loads, reducing waste heat and keeping internal temperatures lower. Zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation. Resonant LLC topology with DC-to-DC conversion delivers clean power and minimises coil whine.

Modern Standby Upgrade

This unit replaces older ATX supplies that lack Modern Standby support, enabling extremely fast wake-from-sleep and better low-load efficiency. The upgrade is worth it when building or refreshing a system that uses modern sleep states and values quiet, efficient power delivery. Systems requiring more than 280W continuous output need a higher-capacity unit.

Punti di forza

  • Modern Standby support for extremely fast wake-from-sleep times
  • 80 PLUS Gold certification for lower power consumption and cooler operation
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • ATX form factor fits standard desktop builds

Caratteristiche tecniche

TypeATX

Domande su questo articolo

How do I install the CX-AT380-24-48L in an ATX case, and what step is often missed?

Mount the unit with the four case screws, connect the 24-pin ATX and 4/8-pin CPU cables, then enable Modern Standby in the BIOS so the fast wake and low-load efficiency features actually work.

What maintenance will the CX-AT380-24-48L need later?

The Zero RPM fan stays off at low and medium loads, so dust builds up slowly; clean the intake grill with compressed air once a year and listen for bearing noise if the fan starts spinning under heavier loads.

What limit appears first during sustained use of the CX-AT380-24-48L?

Continuous output is rated at 280W; exceeding that trips the over-power protection and shuts the unit down, so the hard ceiling is the 280W maximum load.

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