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KHACHIMO 820W ATX power supply unit in standard rectangular form factor with matte black finish and cooling fan visible

KHACHIMO

KHACHIMO 820W ATX Power Supply for MTW-5820V

SKU CH-EKEG-J4QPG

An 820 W ATX power supply with Modern Standby support, zero-RPM fan mode and resonant LLC topology for quiet, efficient operation

  • TypeATX
  • Modern Standby compatibility for extremely fast wake-from-sleep times and better low-load efficiency
  • Zero RPM fan mode switches off the cooling 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
  • DC-to-DC conversion enables use of more energy-efficient sleep states
  • 820W ATX power supply designed for MTW-5820V systems

Compatibility & Purpose

This 820W ATX power supply is built specifically for the MTW-5820V platform. It delivers stable energy to every rail required by that system. Builders working on other chassis or motherboard layouts should verify pin-outs and clearances before purchasing.

Build Integration

The unit follows the ATX form factor so it slots into standard mounting points. Modern Standby compatibility allows the connected system to enter and exit low-power sleep states quickly. DC-to-DC conversion with resonant LLC topology keeps voltage regulation tight across varying loads, freeing the builder from worrying about cross-load instability.

Thermals, Noise & Power

Zero RPM fan mode stops the cooling fan completely at low and medium loads for near-silent operation. Resonant LLC topology reduces coil whine, further lowering acoustic output. The design supports energy-efficient sleep states, keeping power draw minimal when the system is idle.

Highlights

  • Modern Standby compatibility for extremely fast wake-from-sleep times and better low-load efficiency
  • Zero RPM fan mode switches off the cooling 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
  • DC-to-DC conversion enables use of more energy-efficient sleep states
  • 820W ATX power supply designed for MTW-5820V systems

Specifications

TypeATX

Questions about this item

How does the 820 W unit handle sustained high-load operation?

Resonant LLC topology with DC-to-DC conversion keeps voltage regulation tight and ripple low during continuous demand.

What happens to fan noise and heat during all-day use?

Zero RPM mode stops the fan completely at low and medium loads; it only spins when thermal conditions require active cooling.

Which motherboard or chassis is required for this power supply to work?

It is built for the MTW-5820V platform and uses a standard ATX form factor with Modern Standby support.

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