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Rectangular black ATX power supply unit with cooling fan visible

KHACHIMO

KHACHIMO 420W ATX Power Supply M1P-2420V

SKU CH-RK4A-SDNBV

A 420 W ATX power supply with 80 PLUS Gold efficiency, Modern Standby compatibility, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion for clean, quiet power

  • Product typeATX
  • Modern Standby support enables near-instant wake from sleep
  • 80 PLUS Gold certification delivers high efficiency for lower power draw
  • Zero RPM fan mode stops the fan at low loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, stable power output
  • 420 W ATX capacity powers mainstream desktop builds

420W ATX Power Supply for Modern Standby Systems

The KHACHIMO M1P-2420V delivers 420 watts of continuous power in a standard ATX form factor. It targets builders assembling compact or mainstream desktops that rely on fast wake-from-sleep behaviour. The unit carries 80 PLUS Gold certification for efficient energy conversion across typical workloads.

Resonant LLC Topology with DC-to-DC Conversion

This topology supplies clean, consistent voltage to components while reducing coil whine during operation. A zero RPM fan mode stops the cooling fan entirely at low and medium loads, enabling near-silent running for office or media tasks. Modern Standby compatibility ensures extremely fast resume times and improved low-load efficiency for supported platforms.

Upgrade from Lower-Efficiency or Noisy Units

Replacing an older bronze-rated or non-modular supply cuts power draw, lowers case temperatures and removes audible fan noise at idle. The jump is worthwhile when building a quiet workstation or a living-room PC that spends long periods in sleep states. Systems requiring higher wattage for multi-GPU configurations or extreme overclocking should look elsewhere.

How it compares

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

Price $719.99
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

What does the 80 PLUS Gold certification mean for this 420W unit?

The 80 PLUS Gold certification confirms high-efficiency operation, resulting in lower power consumption, reduced noise, and cooler temperatures.

What physical space does this ATX power supply need to fit?

It uses the standard ATX form factor, so it mounts in any case with an ATX PSU bay and the usual four rear screws.

How do I enable the Zero RPM fan mode on the M1P-2420V?

Zero RPM mode activates automatically at low and medium loads; no manual switch or software setting is required.

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