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Black ATX power supply unit with fan grille and cable bundle

KHACHIMO

KHACHIMO 4200V 0.35A 1800W power supply

SKU CH-M52H-V656J

Delivers 1800 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • Product typeATX
  • Modern Standby support enables rapid wake-from-sleep and improved low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power draw and cooler operation
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent running
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • ATX form factor fits standard desktop chassis for straightforward installation

High-efficiency ATX power supply

The KHACHIMO 4200V delivers 1800W of continuous power with 80 PLUS Gold certification. It is built for workstations and high-end desktops that demand stable output under heavy loads. Modern Standby support ensures extremely fast wake-from-sleep times and improved low-load efficiency.

Upgrade path for power-hungry systems

This unit replaces lower-wattage ATX supplies when components exceed their capacity or when efficiency and noise become concerns. The jump is worth it when a build requires clean, consistent power delivery with resonant LLC topology and DC-to-DC conversion to reduce coil whine.

Quiet operation in compatible builds

Zero RPM fan mode keeps the system near-silent at low and medium loads, ideal for noise-sensitive environments. The ATX form factor fits standard chassis layouts, while the high-efficiency design lowers power consumption and heat output, freeing up thermal headroom for other components.

How it compares

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

Price $354.99
Pricier than about 82% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What ATX form factor does the KHACHIMO 4200V 0.35A 1800W use for case mounting?

It uses the standard ATX form factor, so it fits any case with an ATX power supply cut-out and four rear mounting holes.

Which cable must be connected to enable Modern Standby fast wake on this 1800W unit?

Connect the 24-pin ATX main cable and the 4+4-pin CPU cable; Modern Standby then works automatically through the motherboard firmware.

How often should the fan bearing be checked on the Zero RPM mode PSU?

The fan only spins under load, so bearing wear is minimal; a visual dust check once a year is sufficient.

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