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Rectangular ATX power supply unit with matte black metal casing and visible cooling fan grille

KHACHIMO

KHACHIMO R10 R11 T3640 T3650 550W power supply

SKU CH-PH93-43FSQ

ATX 550W unit with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support for fast wake times

  • TypeATX
  • Modern Standby support delivers extremely fast wake-from-sleep times
  • 80 PLUS Gold certification ensures high efficiency for lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • 550 W ATX power supply compatible with R10, R11, T3640 and T3650 systems

550 W ATX power supply for desktop builds

This KHACHIMO unit delivers 550 W of continuous power in a standard ATX form factor. It is suited to mainstream desktop systems that require reliable, efficient energy delivery. The design supports Modern Standby for rapid wake-from-sleep behaviour. Builders seeking a Gold-rated supply for typical productivity or gaming rigs will find it a direct fit.

80 PLUS Gold efficiency with Zero RPM fan mode

Certified 80 PLUS Gold, the supply runs at high efficiency to reduce waste heat and lower power draw. At low and medium loads the cooling fan stops completely, enabling near-silent operation. Resonant LLC topology with DC-to-DC conversion further cuts coil whine and keeps temperatures down during everyday use.

Sustained-load behaviour from resonant LLC design

Under prolonged load the resonant LLC topology maintains clean, consistent voltage regulation. DC-to-DC conversion supports stable output across the rails, allowing the unit to sustain its rated output without the spikes seen in simpler designs. The fan remains off until thermal thresholds demand active cooling, so acoustic output stays minimal even during extended sessions.

Points forts

  • Modern Standby support delivers extremely fast wake-from-sleep times
  • 80 PLUS Gold certification ensures high efficiency for lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • 550 W ATX power supply compatible with R10, R11, T3640 and T3650 systems

Caractéristiques

TypeATX

Questions sur cet article

How do I install the KHACHIMO 550W ATX power supply and which step is often missed?

Secure the unit in the case with four screws, connect the 24-pin ATX and 4+4-pin CPU power cables, then attach GPU leads; the step most often missed is plugging the 4+4-pin CPU connector near the socket.

What maintenance will the KHACHIMO 550W Gold unit need over time?

Dust the fan intake periodically; the Zero RPM Fan Mode stops the fan at low load, so bearings wear slowly and no scheduled replacement is required.

What limit appears first on the KHACHIMO 550W supply under sustained heavy load?

The 550 W continuous-output rating is the first ceiling; the 80 PLUS Gold efficiency and LLC topology keep temperatures lower, but total draw cannot exceed 550 W.

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