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Rectangular metal ATX power supply unit, matte black finish with cooling fan grille and cable connectors

KHACHIMO

KHACHIMO H1M-6600P 600W 80 PLUS Gold ATX power supply

SKU CH-E0F8-HZ3EN

ATX 600W 80 PLUS Gold unit with Zero RPM fan mode and Modern Standby support for silent, efficient power

  • Product typeATX
  • Modern Standby support for faster wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification for lower power consumption, less noise and cooler temperatures
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 600W ATX power supply built for reliable performance

KHACHIMO H1M-6600P 600W ATX Power Supply

The KHACHIMO H1M-6600P is a 600W ATX power supply with 80 PLUS Gold certification. It uses a resonant LLC topology with DC-to-DC conversion for stable power delivery. Modern Standby compatibility enables fast wake-from-sleep times and improved low-load efficiency. A Zero RPM fan mode stops the fan entirely at low and medium loads for silent operation.

Suitable for efficient ATX builds needing quiet

This unit suits builders who want high efficiency and near-silent idle performance in a standard ATX form factor. Modern Standby support benefits systems that frequently enter low-power sleep states. Buyers needing higher wattage for multi-GPU configurations or extreme overclocking should look at higher-capacity models. Those requiring a different form factor such as SFX or TFX cannot use this ATX unit.

Check ATX compatibility

Verify that your case accepts a standard ATX power supply and that your motherboard uses the standard 24-pin ATX and CPU power connectors. Ensure the 600W capacity matches the total power draw of your components under load. Confirm that your build benefits from Modern Standby features and that the included cable set covers all required connections for your hardware.

How it compares

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

Price $555.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Does this 600W ATX PSU need a motherboard with a 24-pin ATX connector and an 8-pin EPS connector to power the system?

Yes, as an ATX power supply it provides the standard 24-pin main connector and an 8-pin EPS connector that modern motherboards require.

Will the 80 PLUS Gold efficiency and DC-to-DC design work reliably with an older CPU that draws very little power at idle?

The DC-to-DC conversion and Modern Standby support keep voltage stable even at light loads, so older low-power CPUs run without issues.

How can I confirm the Zero RPM fan mode is active after I build the PC?

Under light workloads the fan stops completely; you can verify it by listening for silence or watching the fan blades stay still while the system idles.

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