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KHACHIMO ENH-2150-1 500W ATX power supply, 2U silver metal box with rear fan grille

KHACHIMO

KHACHIMO ENH-2150-1 500W ATX power supply

SKU CH-HF2Q-Z8539

ATX power supply delivers 500 W with 80 PLUS Gold efficiency, zero-RPM fan mode and LLC resonant topology for quiet, low-load operation

  • TypeATX
  • Modern Standby support enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption and cooler operation
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 500 W ATX output supplies reliable power for modern system builds

500W ATX power supply for modern standby systems

This KHACHIMO ENH-2150-1 unit delivers 500 watts of continuous power in a standard ATX form factor. It is built for desktop PCs that rely on modern standby sleep states, offering fast wake times and strong low-load efficiency. The 80 PLUS Gold certification confirms high energy conversion rates across typical workloads.

Upgrade from older group-regulated

Replacing an older supply with this model adds resonant LLC topology and DC-to-DC conversion, which tighten voltage regulation and cut coil whine. The jump is worthwhile when a system exhibits noisy operation, unstable sleep transitions, or excessive heat from an inefficient legacy design.

Limits of the ATX standard and Gold efficiency tier

The ATX specification caps this unit at 500 watts total output, so multi-GPU arrays or heavily overclocked CPUs may exceed its headroom. Gold efficiency targets peak performance near 50 percent load, leaving diminishing returns at very light or maximum draws. Fan-less operation only persists while thermal and current thresholds stay low.

Points forts

  • Modern Standby support enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption and cooler operation
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 500 W ATX output supplies reliable power for modern system builds

Caractéristiques

TypeATX

Questions sur cet article

Will this 2U 500W unit fit a standard ATX chassis?

The ENH-2150-1 is a 2U form-factor ATX power supply, so it fits server or workstation cases that accept 2U PSUs; standard desktop ATX cases use a different height and will not accommodate it.

Which cables must be connected first to avoid a no-post on this model?

Seat the 24-pin ATX motherboard connector and the 8-pin EPS/CPU power cable firmly before applying mains power; missing either will leave the system dead on first boot.

How often should the fan bearings be checked on this Gold-certified unit?

With Zero RPM mode the fan stays off at low and medium loads, so bearing wear is minimal; inspect for dust or noise only during a yearly case clean-out.

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