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Compact 1U silver power supply unit with rear fan grille and modular cable connectors

KHACHIMO

KHACHIMO SPI4001UG 400W 80 PLUS Gold power supply

SKU CH-H0SH-YP3HF

An ATX power supply delivering 400 W with 80 PLUS Gold efficiency, zero-RPM fan mode and resonant LLC topology for quiet, low-load operation

  • TypeATX
  • Modern Standby support for ultra-fast wake from sleep
  • 80 PLUS Gold efficiency reduces power draw and heat
  • Zero RPM fan mode delivers silent operation at low loads
  • Resonant LLC topology with DC-to-DC for clean, stable power
  • 400 W ATX power in a compact 1U form factor

Compact 1U 400 W unit for rack builds

The KHACHIMO SPI4001UG is a 1U form-factor ATX power supply rated at 400 W. It targets system integrators and IT professionals who need reliable power in space-constrained rackmount chassis or small-form-factor workstations where standard ATX units will not fit.

80 PLUS Gold efficiency with silent low-load

At typical loads the unit meets 80 PLUS Gold efficiency, reducing waste heat and electricity draw. A Zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation, while the resonant LLC topology with DC-to-DC conversion delivers clean power and suppresses coil whine across the load range.

Modern Standby support decides suitability

The supply is Modern Standby compatible, enabling extremely fast wake-from-sleep transitions and improved low-load efficiency. Systems that do not use Modern Standby sleep states will not benefit from this feature, making the unit less attractive for always-on servers or legacy operating environments.

Points forts

  • Modern Standby support for ultra-fast wake from sleep
  • 80 PLUS Gold efficiency reduces power draw and heat
  • Zero RPM fan mode delivers silent operation at low loads
  • Resonant LLC topology with DC-to-DC for clean, stable power
  • 400 W ATX power in a compact 1U form factor

Caractéristiques

TypeATX

Questions sur cet article

Will the SPI4001UG fit a standard ATX case I already own?

Yes, the unit follows the ATX form factor so it mounts in any standard ATX chassis you are currently using.

How can I confirm the 80 PLUS Gold efficiency is active after installation?

The power supply meets 80 PLUS Gold certification, delivering high efficiency across typical loads; you will notice lower power draw, less fan noise and cooler operation once the system is running.

Which cables come with the SPI4001UG and what must I source separately?

The package includes the power supply unit itself; all ATX power cables required for your motherboard, graphics card and drives need to be supplied from your existing build or purchased separately.

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