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Silver rectangular ATX power supply unit with ventilation grille and side label

KHACHIMO

KHACHIMO 260W Power Supply WYHR8 0WYHR8 H260EBM-01

SKU CH-Z1FT-52Q5C

A 260W ATX power supply compatible with OptiPlex 3040, 3046, 3050 and 5050 MT systems, featuring 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support

  • TypeATX
  • Faster wake from sleep with Modern Standby support
  • Lower power draw and heat thanks to 80 PLUS Gold efficiency
  • Near-silent operation at light loads via Zero RPM fan mode
  • Clean, stable power delivery using resonant LLC with DC-to-DC conversion
  • Direct replacement for OptiPlex 3040 3046 3050 5050 MT systems

Dell OptiPlex MT Compatibility

This 260 W ATX power supply is built for Dell OptiPlex 3040, 3046, 3050 and 5050 MT chassis. It replaces the original WYHR8 or 0WYHR8 unit and supports the H260EBM-01 form factor. System integrators and IT technicians can use it to restore reliable power delivery in these specific desktops.

80 PLUS Gold and Zero RPM Fan

The 80 PLUS Gold certification reduces energy waste, lowering heat output and acoustic noise during typical workloads. A Zero RPM fan mode stops the fan completely at low and medium loads, providing near-silent operation for office environments. Resonant LLC topology with DC-to-DC conversion delivers clean power and minimises coil whine.

260 W Capacity and Modern Standby Support

The 260 W rating comfortably handles the CPU, integrated graphics and standard peripherals found in the supported OptiPlex models. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. Builders needing higher wattage for discrete graphics cards or additional drives should look elsewhere.

Highlights

  • Faster wake from sleep with Modern Standby support
  • Lower power draw and heat thanks to 80 PLUS Gold efficiency
  • Near-silent operation at light loads via Zero RPM fan mode
  • Clean, stable power delivery using resonant LLC with DC-to-DC conversion
  • Direct replacement for OptiPlex 3040 3046 3050 5050 MT systems

Specifications

TypeATX

Questions about this item

Will the fan need replacement after continuous use?

The Zero RPM Fan Mode stops the fan at low and medium loads, reducing wear and extending its service life.

What limits output during sustained heavy loads?

The 260 W maximum rating is the ceiling; exceeding it triggers protection shutdown.

How much noise and heat appear when the unit runs all day?

80 PLUS Gold efficiency and Zero RPM mode keep noise near zero at typical loads and temperatures lower than less efficient units.

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