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Compact 1U gold power supply with rear fan and modular cables

KHACHIMO

KHACHIMO FSP500-70UDPB 500W 80 PLUS Gold 1U Power Supply

SKU CH-PVMY-3RTNH

A 500 W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support for quiet, low-power operation

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • Lower energy draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation at low loads through Zero RPM fan mode
  • Clean, stable power delivery using resonant LLC and DC-to-DC conversion
  • Compact 1U form factor fits space-constrained server builds

Compact 1U Server Power Supply

The KHACHIMO FSP500-70UDPB is a 500W ATX power supply built for 1U rackmount chassis where vertical space is limited. It targets system integrators and IT professionals deploying density-optimised servers or edge appliances that require standard ATX power in a slim form factor.

80 PLUS Gold Efficiency Rating

Certified at the 80 PLUS Gold level, the unit delivers high-efficiency conversion across typical loads, reducing waste heat and lowering operating costs in always-on environments. The Gold rating is the single specification that confirms suitability for deployments where power budgets and thermal envelopes are tightly constrained.

Modern Standby and Zero RPM Fan Mode

Modern Standby compatibility enables extremely fast wake-from-sleep transitions and improved low-load efficiency for systems that cycle between active and idle states. Zero RPM mode stops the cooling fan entirely at low and medium loads, while resonant LLC topology with DC-to-DC conversion minimises coil whine and supports deeper sleep states for quieter, more efficient operation.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • Lower energy draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation at low loads through Zero RPM fan mode
  • Clean, stable power delivery using resonant LLC and DC-to-DC conversion
  • Compact 1U form factor fits space-constrained server builds

Specifications

TypeATX

Questions about this item

What does the 500W rating mean for a real build?

The unit can deliver up to 500 watts of continuous power to system components, which is sufficient for many mainstream CPUs and single-GPU configurations.

How does the ATX form factor limit where this supply can be installed?

The 1U height fits standard rack-mount chassis and slim tower cases that accept ATX power supplies, but it will not fit ultra-thin proprietary enclosures.

What clearance is needed for the fan and connectors in a 1U chassis?

The compact 1U profile requires only a single rack unit of vertical space; ensure the chassis allows rear exhaust airflow and has enough depth for the ATX power connector and modular cables.

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