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

KHACHIMO

KHACHIMO S5300 S5500 600W ATX power supply HSP600-D1205D

SKU CH-ZDPC-VFRYM

ATX power supply delivers 600 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for fast wake times

  • TypeATX
  • Faster wake-from-sleep with Modern Standby compatibility
  • Lower power draw and heat via 80 PLUS Gold efficiency
  • Near-silent operation at low loads with Zero RPM fan mode
  • Clean, stable power delivery through resonant LLC and DC-to-DC topology
  • Reduced coil whine for quieter performance under load

600W ATX Power Supply with Gold Efficiency

The KHACHIMO S5300 S5500 HSP600-D1205D is a 600W ATX power supply built for modern desktop PCs. It carries 80 PLUS Gold certification for high efficiency and lower running costs. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine.

Suited for Quiet Builds and Modern Sleep States

This unit suits builders who want near-silent operation at low and medium loads thanks to its Zero RPM fan mode. It also suits systems that rely on Modern Standby for quick resume and efficient sleep states. Buyers who need higher wattage for multi-GPU configurations or extreme overclocking should look at higher-capacity units. Those requiring specific cable lengths or modular cabling not described here should verify compatibility before purchase.

Standard ATX Installation with Semi-Passive Cooling

Installation follows standard ATX mounting procedures in compatible cases. The Zero RPM fan mode engages automatically, so no software setup is required for semi-passive operation. Ensure the case provides adequate airflow for the fan when it spins up under heavier loads. Coil whine is minimised by the resonant LLC design, but sensitivity varies between systems.

Highlights

  • Faster wake-from-sleep with Modern Standby compatibility
  • Lower power draw and heat via 80 PLUS Gold efficiency
  • Near-silent operation at low loads with Zero RPM fan mode
  • Clean, stable power delivery through resonant LLC and DC-to-DC topology
  • Reduced coil whine for quieter performance under load

Specifications

TypeATX

Questions about this item

What ATX motherboard connector does the KHACHIMO 600W HSP600-D1205D require?

It uses a standard 24-pin ATX main connector and a 4+4-pin EPS12V CPU connector, both built into the PSU cables.

Will the 80 PLUS Gold 600W unit safely power an older PCIe graphics card that needs a 6-pin connector?

Yes, the PSU includes two 6+2-pin PCIe cables that are backward-compatible with 6-pin cards.

How can I verify the Zero RPM fan mode is active after building the PC?

Under light loads the fan stops spinning completely; you can confirm by watching the fan through the case vent while the system idles.

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