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Rectangular silver ATX power supply unit with fan grille and cable bundle

KHACHIMO

KHACHIMO GPS-350CB A 300W ATX 80 PLUS Gold power supply

SKU CH-V5C3-NVVNY

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

  • TypeATX
  • Modern Standby support gives 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 and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 300 W rated output supplies reliable power for ATX systems

300W ATX Gold for Modern Standby

This KHACHIMO GPS-350CB A is a 300W ATX power supply built for systems that use Modern Standby. The 80 PLUS Gold certification confirms high efficiency across typical loads. It suits compact or low-power builds where fast sleep and wake behaviour matters.

Sustained output with silent running

Resonant LLC topology and DC-to-DC conversion keep voltage stable during continuous load rather than brief peaks. The Zero RPM fan mode stops the fan completely at low and medium loads, removing acoustic noise. Gold-level efficiency reduces waste heat, helping the unit stay cooler when the system runs for long periods.

Build quality for quiet daily use

The same resonant LLC and DC-to-DC design cuts coil whine, so background electrical noise stays low in quiet rooms. Modern Standby compatibility means the supply meets strict low-power timing requirements for instant wake. Connectors follow the ATX standard, allowing straightforward installation in compatible chassis.

Points forts

  • Modern Standby support gives 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 and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 300 W rated output supplies reliable power for ATX systems

Caractéristiques

TypeATX

Questions sur cet article

How loud is the fan on the GPS-350CB A 300W unit when the system runs all day?

The Zero RPM Fan Mode stops the fan completely at low and medium loads, so the 300W supply runs near-silently during typical all-day use.

What motherboard connectors must my board provide for this ATX power supply to work?

Your motherboard needs a standard 24-pin ATX connector and a 4-pin or 8-pin CPU power connector to match the ATX design of the GPS-350CB A.

Will the Resonant LLC topology with DC-to-DC conversion on this 80 PLUS Gold unit cause issues with older components I keep?

The topology delivers clean, consistent power and reduces coil whine, so older hardware runs stably alongside the efficient 300W design.

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