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Rectangular black ATX power supply unit with cooling fan visible on one side

KHACHIMO

KHACHIMO 300W ATX Power Supply DPS-300AB-72 B

SKU CH-0SJP-BZNMZ

An ATX 300W unit with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion for clean power

  • TypeATX
  • 80 PLUS Gold certification cuts energy waste and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Modern Standby compatibility gives faster wake-from-sleep and better idle efficiency
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 300 W ATX output suits compact desktop builds

300W ATX Power Supply

The KHACHIMO DPS-300AB-72 B is a 300W ATX power supply built for modern desktop systems. It carries 80 PLUS Gold certification for high efficiency, lower power draw and reduced heat output. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency.

Resonant LLC with DC-to-DC

Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power while reducing coil whine for quieter operation. This design also enables more energy-efficient sleep states compared to older group-regulated units. The upgrade is worthwhile when replacing a lower-efficiency supply that lacks Modern Standby support or exhibits audible coil noise.

Zero RPM Fan Mode

Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation. This suits office PCs, media centres or compact builds where acoustic comfort matters. Builders needing higher wattage for discrete graphics cards or multi-drive arrays should look at a higher-capacity unit instead.

Points forts

  • 80 PLUS Gold certification cuts energy waste and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Modern Standby compatibility gives faster wake-from-sleep and better idle efficiency
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 300 W ATX output suits compact desktop builds

Caractéristiques

TypeATX

Questions sur cet article

What case clearance does the ATX form factor require?

The unit follows the standard ATX footprint so it fits any chassis built to that specification; verify your case lists ATX support before ordering.

Which cables must be connected during installation to enable Modern Standby?

Attach the 24-pin motherboard connector and the 4+4-pin CPU power cable; the firmware handshake that enables fast wake-from-sleep will not work if either is missing.

When should the fan bearing be inspected or the unit replaced?

Zero RPM mode keeps the fan off at low loads, reducing wear; plan a bearing check after several years of continuous high-load use or if audible noise appears.

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