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Compact silver ATX power supply unit with rear fan grille and side label

KHACHIMO

KHACHIMO 250W ATX PSU for LPS255 LPS255-C

SKU CH-6J0X-XEF9W

A 250W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby compatibility for fast wake times

  • TypeATX
  • Modern Standby support enables extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption and cooler temperatures
  • Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • 250W ATX power supply designed for LPS255 and LPS255-C systems

250 W ATX power supply for LPS255 builds

This 250 W ATX unit is designed specifically for the LPS255 and LPS255-C platforms. It delivers the exact power envelope those systems require while supporting Modern Standby for rapid wake-from-sleep transitions. The form factor and connector layout match the original equipment specification.

Gold efficiency with Zero RPM fan mode

80 PLUS Gold certification ensures high efficiency at typical loads, reducing waste heat and lowering operating noise. Resonant LLC topology combined with DC-to-DC conversion provides clean, stable output and minimises coil whine. At low and medium loads the fan stops completely, enabling near-silent operation during everyday tasks.

Direct replacement for factory LPS255 units

This supply replaces the original LPS255 or LPS255-C power module without adapter cables or case modifications. The upgrade is worthwhile when the original unit has failed, when efficiency gains are desired, or when quieter operation under light loads is a priority. Builders needing higher wattage or a different form factor should look elsewhere.

Highlights

  • Modern Standby support enables extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption and cooler temperatures
  • Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • 250W ATX power supply designed for LPS255 and LPS255-C systems

Specifications

TypeATX

Questions about this item

What does the ATX form factor mean for compatibility with the LPS255 case?

The ATX form factor matches the LPS255 and LPS255-C chassis mounting points and power distribution layout.

What physical clearance is needed inside the LPS255 for this 250W unit?

The unit fits the standard ATX cavity in the LPS255; ensure no cables or drive cages protrude into the fan intake area.

How is the PSU installed in the LPS255 and which step is often missed?

Slide the PSU into the chassis, secure with four rear screws, then connect the 24-pin motherboard and 4-pin CPU power cables — the CPU cable is frequently forgotten.

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