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Silver 1U ATX power supply unit with rear fan grille and cable bundle

KHACHIMO

KHACHIMO 1U 400W ATX Power Supply HK500-11UEP

SKU CH-GF6X-R0WK4

A 1U 400W ATX unit with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support for silent, low-power sleep states

  • TypeATX
  • Modern Standby support for near-instant wake and superior low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for reduced consumption, noise and heat
  • Zero RPM fan mode stops the fan at low-to-medium loads for silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean power and cuts coil whine
  • 400 W ATX output in a compact 1U form factor

1U 400W ATX power supply for compact servers

The KHACHIMO HK500-11UEP is a 1U form-factor ATX power supply rated at 400W. It targets builders of rack-mount servers, thin workstations or space-constrained PCs that require standard ATX connectors in a low-profile chassis.

80 PLUS Gold certified with LLC resonant topology

Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power while reducing coil whine. Gold certification confirms high efficiency across typical loads, which lowers waste heat and keeps internal temperatures lower during continuous operation.

Zero RPM fan mode for silent low-load running

At low and medium loads the cooling fan stops completely, providing near-silent operation in idle or light-use scenarios. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency for always-on deployments.

Points forts

  • Modern Standby support for near-instant wake and superior low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for reduced consumption, noise and heat
  • Zero RPM fan mode stops the fan at low-to-medium loads for silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean power and cuts coil whine
  • 400 W ATX output in a compact 1U form factor

Caractéristiques

TypeATX

Questions sur cet article

Does the ATX 400W rating limit the power available to a modern GPU?

The unit delivers up to 400W total across all rails so the GPU share depends on the rest of the system load.

What clearance does the 1U form factor require inside the case?

It occupies a single 1U slot height and needs the matching ATX mounting holes on the chassis rear panel.

Which cables must be connected before the first boot?

Attach the 24-pin main connector the 4- or 8-pin CPU connector and any PCIe power leads your graphics card requires.

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