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Silver rectangular ATX power supply unit with cooling fan and power connectors

KHACHIMO

KHACHIMO Switching Power Supply 250W For SUN U10 MITAC X-250/P MPU-250REF 370-3171 370-4325

SKU CH-F512-Y5QEC

Replacement 250 W ATX power supply compatible with Sun U10 and MITAC X-250/P units, featuring 80 PLUS Gold efficiency, Modern Standby support.

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw thanks to 80 PLUS Gold efficiency
  • Near-silent running via Zero RPM fan mode
  • Clean, stable output from resonant LLC with DC-to-DC
  • Direct replacement for SUN U10 MITAC X-250/P MPU-250REF

250 W ATX replacement for Sun U10

This new 250 W ATX power supply is built as a direct replacement for the Sun Microsystems U10 workstation and matches the MITAC X-250/P and MPU-250REF units. It carries the original manufacturer part numbers 370-3171 and 370-4325 for straightforward identification. The unit is designed to fit the proprietary chassis and connector layout of those legacy systems.

Gold efficiency and zero-RPM fan mode

80 PLUS Gold certification means the supply 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 for near-silent operation. Resonant LLC topology with DC-to-DC conversion delivers clean, stable power and helps suppress coil whine. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency.

Suits Sun U10 owners needing a new ATX unit

This supply suits owners of a Sun U10 or compatible MITAC chassis who need a new, efficient ATX replacement with quiet operation. It is not for builders working with standard ATX cases that use different mounting points or connector pinouts. Buyers needing higher wattage for modern multi-GPU configurations should look elsewhere. Anyone without the exact Sun U10 or listed MITAC part numbers will find this unit incompatible.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw thanks to 80 PLUS Gold efficiency
  • Near-silent running via Zero RPM fan mode
  • Clean, stable output from resonant LLC with DC-to-DC
  • Direct replacement for SUN U10 MITAC X-250/P MPU-250REF

Specifications

TypeATX

Questions about this item

How often will the fan bearings need replacement in this KHACHIMO 250W unit?

The Zero RPM Fan Mode keeps the fan off at low and medium loads, so bearing wear is minimal and replacement is rarely needed during the supply's service life.

What is the first limit reached when this 250W power supply runs at full load continuously?

The 250W maximum output rating is the primary limit; sustained loads above that will trigger protection circuits before thermal or efficiency limits are reached.

How much noise and heat does this KHACHIMO supply produce when powering a SUN U10 all day?

Zero RPM Fan Mode stops the fan at typical loads for near-silent operation, while 80 PLUS Gold efficiency keeps waste heat and power draw low during continuous use.

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