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Rectangular silver ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO 250W ATX power supply for Power-one CPA250-4530G

SKU CH-AN2J-43WHH

A 250W ATX replacement unit with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC topology with DC-to-DC conversion for clean, quiet power

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw via 80 PLUS Gold efficiency
  • Near-silent running through Zero RPM fan mode
  • Clean, stable power from resonant LLC topology
  • Cooler, quieter operation with DC-to-DC conversion

250W ATX unit for Power-one replacement

This 250W ATX power supply is built as a direct replacement for the Power-one CPA250-4530G. It suits system integrators and technicians who need a like-for-like unit for compact or legacy chassis. The 80 PLUS Gold certification confirms high efficiency across typical loads.

Standard ATX footprint with modern sleep support

The supply uses the familiar ATX form factor so it fits existing mounting points and cable routing. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. Resonant LLC topology with DC-to-DC conversion delivers clean power and supports deeper sleep states.

Quiet operation through semi-passive cooling

Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent running. The same topology reduces coil whine while maintaining consistent output. Gold-rated efficiency keeps waste heat low, helping the unit stay cool during sustained operation.

Points forts

  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw via 80 PLUS Gold efficiency
  • Near-silent running through Zero RPM fan mode
  • Clean, stable power from resonant LLC topology
  • Cooler, quieter operation with DC-to-DC conversion

Caractéristiques

TypeATX

Questions sur cet article

How much continuous power can the 250 W ATX unit deliver before protection circuits engage?

The power supply is rated for 250 W of continuous output, and its internal protection will activate if that limit is exceeded.

Does the 80 PLUS Gold certified unit stay quiet and cool during all-day operation?

Yes, the Gold efficiency rating reduces waste heat, and the Zero RPM fan mode stops the fan entirely at low and medium loads for near-silent running.

What motherboard power connector does the CPA250-4530G replacement require?

It uses the standard ATX 24-pin main connector plus the usual 4-pin or 8-pin CPU power plug found on modern motherboards.

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