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

KHACHIMO

KHACHIMO WIN-TACT Standard 1U 400W ATX Power Supply WP507F12

SKU CH-HES4-BT3PV

A 400 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for quiet, low-power operation

  • TypeATX
  • Modern Standby support for extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency and cooler operation
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • 400W ATX output in a 1U form factor for compact builds

1U 400W ATX PSU for Compact Builds

This KHACHIMO unit is a standard 1U form-factor ATX power supply rated at 400W, designed for rackmount servers and slim desktop chassis where vertical space is limited. It suits system integrators and IT professionals who need reliable power delivery in a shallow enclosure without custom cabling.

80 PLUS Gold Efficiency at 400W

The single specification that determines fit is the 80 PLUS Gold certification at the full 400W output, guaranteeing high efficiency across typical loads and reducing both waste heat and operating noise in densely packed racks. Builders who need more than 400W of continuous power or a larger form factor for standard tower cases should look elsewhere.

Zero RPM Fan and Modern Standby Support

The Zero RPM fan mode stops the fan entirely at low and medium loads, delivering near-silent operation during idle or light workloads. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency, while the resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine for quieter overall performance.

Points forts

  • Modern Standby support for extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency and cooler operation
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • 400W ATX output in a 1U form factor for compact builds

Caractéristiques

TypeATX

Questions sur cet article

What does the 400W rating mean for my system build?

The 400W rating indicates the maximum continuous power this unit can deliver to your components. It supports typical 1U server or compact workstation builds with moderate CPU and GPU power demands.

How does the 80 PLUS Gold certification affect daily operation?

80 PLUS Gold certification means the supply runs at high efficiency across typical loads, lowering electricity use, reducing waste heat, and allowing the fan to stay off longer under light demand.

Will this 1U form factor fit my rackmount chassis?

This is a standard 1U ATX power supply designed for 1U rackmount or slim tower cases. Verify your chassis accepts a 1U PSU and has the matching mounting holes before purchase.

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