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Compact 1U ATX power supply with gold finish and quiet fan

KHACHIMO

KHACHIMO ATX 180W 80 PLUS Gold Power Supply

SKU CH-5V3J-3MD0H

An ATX power supply delivering 180W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Modern Standby compatibility enables extremely fast wake-from-sleep
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • ATX form factor fits standard small-form-factor and 1U builds

Compact 180 W ATX PSU for Small Form-Factor Builds

This 180 W ATX power supply fits 1U and other space-constrained chassis while delivering 80 PLUS Gold efficiency. It targets system integrators and DIY builders who need reliable power for low-TDP platforms such as thin clients, mini PCs or embedded appliances. Modern Standby compatibility ensures rapid wake-from-sleep and improved low-load efficiency.

Replaces Bulkier Standard ATX Units in 1U Enclosures

The unit upgrades from full-height ATX power supplies that cannot physically fit in 1U rackmount or slim desktop cases. The jump is worth it when a build demands Gold-class efficiency, fan-less operation at idle and DC-to-DC conversion in a footprint no taller than a single rack unit. Builders needing more than 180 W of continuous power should look elsewhere.

12 V Rail Delivers Up to 50 A for Dense Compute

The single 12 V rail provides up to 50 A, giving ample headroom for modern CPUs and integrated graphics at typical TDPs. Zero RPM fan mode keeps acoustics near zero at low and medium loads, while resonant LLC topology with DC-to-DC conversion suppresses coil whine. Sustained loads approaching the 180 W limit will spin the fan and reduce thermal headroom.

Highlights

  • Modern Standby compatibility enables extremely fast wake-from-sleep
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • ATX form factor fits standard small-form-factor and 1U builds

Specifications

TypeATX

Questions about this item

What clearance is needed for the 1U height when fitting this 180W unit?

The supply is a 1U form factor, so allow a single rack-unit of vertical space and standard ATX mounting holes for secure installation.

Which cable should be connected first to enable Modern Standby correctly?

Attach the 12V ATX connector to the motherboard before routing any peripheral cables; this ensures the fast wake-from-sleep function initialises properly.

When should the fan bearings be inspected on a unit running Zero RPM mode?

With the fan off at low and medium loads, check bearing condition once a year or if any unusual noise appears after the fan spins up under heavier draw.

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