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Compact 1U ATX power supply with matte metal casing and rear fan grille

KHACHIMO

KHACHIMO HK452-11UEP 350W 1U ATX power supply

SKU CH-ZMJG-0EJNP

A 1U ATX unit delivering 350 W with 80 PLUS Gold efficiency, Modern Standby support and a zero-RPM fan mode for silent low-load operation

  • TypeATX
  • Modern Standby support enables rapid wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power draw 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
  • Compact 1U ATX form factor fits space-constrained builds while supplying 350 W

Compact 1U ATX power supply

The KHACHIMO HK452-11UEP delivers 350W in a 1U form factor designed for rackmount and small-form-factor builds. Its ATX layout provides standard cabling for motherboards and drives while fitting slim chassis that cannot accept full-height units.

Efficient topology and standby support

Resonant LLC topology with DC-to-DC conversion supplies clean power and enables modern standby for rapid wake times. The 80 PLUS Gold certification reduces waste heat, lowering the cooling demand on the rest of the system.

Sustained-load acoustics

Under continuous load the unit maintains stable output while the zero-RPM fan mode keeps the fan off at low and medium loads for near-silent operation. This behaviour avoids the noise spikes common in shorter burst tests.

Points forts

  • Modern Standby support enables rapid wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power draw 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
  • Compact 1U ATX form factor fits space-constrained builds while supplying 350 W

Caractéristiques

TypeATX

Questions sur cet article

Does the 350 W rating hold up when the 1U PSU runs continuously at full load?

The unit is rated for 350 W continuous output with 80 PLUS Gold efficiency, and its resonant LLC topology with DC-to-DC conversion delivers stable voltage regulation under sustained loads.

How loud is the fan after hours of operation in a 1U chassis?

Zero RPM Fan Mode stops the fan completely at low and medium loads, while 80 PLUS Gold efficiency reduces waste heat so the fan runs slower and quieter even when it spins up.

What motherboard connector does this PSU require for Modern Standby support?

A standard 24-pin ATX main connector plus the appropriate 4-pin or 8-pin CPU power cable are needed; Modern Standby compatibility is built into the PSU's controller and works with any motherboard that supports the feature.

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