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Rectangular ATX power supply unit with matte black finish and cooling fan visible

KHACHIMO

KHACHIMO 300W ATX Power Supply AD301M12-1M1

SKU CH-N413-Z6PV4

A 300W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion for quiet, stable power

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low loads for silent running
  • Resonant LLC plus DC-to-DC gives cleaner power delivery
  • 300 W ATX output fits compact builds

KHACHIMO 300W ATX Power Supply

The KHACHIMO 300W ATX unit delivers 300 watts of continuous power for entry-level desktop builds and office refreshes. It carries 80 PLUS Gold certification for high efficiency and supports Modern Standby for rapid wake-from-sleep transitions. The Resonant LLC topology with DC-to-DC conversion provides clean output and enables deeper sleep states.

Standard ATX installation with short cables

Mounting follows the standard ATX screw pattern so the unit fits most mainstream chassis. The fixed cable set keeps routing simple but may fall short in full-tower cases or behind tall CPU coolers. Zero RPM fan mode stops the fan at low and medium loads for near-silent operation.

300W ceiling and ATX connector limits

The 300 watt ceiling restricts the unit to low-power CPUs and graphics cards without auxiliary power connectors. Modern Standby and deep sleep states require a compatible motherboard and operating system to function. Builders needing higher wattage or multiple PCIe power cables must select a larger unit.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $419.99
Pricier than about 86% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How can I verify the AD301M12-1M1 is working correctly after installation?

The 80 PLUS Gold certification means it should run efficiently with low heat and noise; at idle the Zero RPM fan mode keeps the fan off, and Modern Standby support gives near-instant wake times.

What comes with the AD301M12-1M1 and what must I buy separately?

The unit includes the fixed ATX cable set required for a typical build; no modular cables or separate accessories are needed for standard motherboard, CPU and drive connections.

Which version of this 300 W supply should I choose?

Only the AD301M12-1M1 model is offered, delivering 300 W with Gold efficiency, Zero RPM fan mode, LLC resonant topology and DC-to-DC conversion in a single version.

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