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KHACHIMO LMJD-30001U 300W ATX power supply, matte black metal box with rear fan grille and cable bundle

KHACHIMO

KHACHIMO LMJD-30001U 300W ATX power supply

SKU CH-QA50-ER7ZH

A 300 W ATX power supply in a 1U form factor with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • Modern Standby support enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption
  • Zero RPM fan mode stops the fan at low loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • DC-to-DC conversion enables more energy efficient sleep states

Compact 1U ATX Power Supply

The KHACHIMO LMJD-30001U is a 300W ATX unit built for 1U rack and small-form-factor chassis. It targets system integrators and IT professionals who need reliable power in space-constrained servers or workstations. Modern Standby compatibility ensures extremely fast wake-from-sleep times and improved low-load efficiency.

Efficiency and Noise Features

80 PLUS Gold certification confirms high efficiency operation that reduces power consumption, noise, and operating temperatures. Zero RPM Fan Mode stops the cooling fan entirely at low and medium loads for near-silent running. Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power while minimising coil whine.

300 Watt Capacity Limits

The 300W rating supports entry-level CPUs, integrated graphics, and modest storage arrays in always-on or sleep-heavy deployments. It runs out of headroom when discrete graphics cards, high-core-count processors, or large drive counts are added. Builders needing more power for expansion cards or heavier compute loads must select a higher-wattage unit.

Points forts

  • Modern Standby support enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption
  • Zero RPM fan mode stops the fan at low loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • DC-to-DC conversion enables more energy efficient sleep states

Caractéristiques

TypeATX

Questions sur cet article

Will the fan on this 300W unit need replacement after long-term use?

The Zero RPM Fan Mode stops the fan at low and medium loads, reducing wear and extending the life of the cooling assembly.

What limit appears first when this 300W supply runs continuously at high load?

The 300 watt rated output is the ceiling; sustained draw above that level triggers protection shutdown.

How much heat and noise does this LMJD-30001U produce during all-day operation?

80 PLUS Gold efficiency keeps waste heat low, and the fan stays off at light loads for near-silent running.

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