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Rectangular black ATX power supply with fan grille and cable bundle

KHACHIMO

KHACHIMO X4630G 4650 D430 220W ATX power supply

SKU CH-FHT9-QYCSZ

ATX 220 W power supply with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC DC-to-DC topology for quiet, stable delivery

  • Product typeATX
  • Modern Standby support gives extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower consumption, less noise and cooler temps
  • Zero RPM fan mode stops the 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 design enables more energy-efficient sleep states for improved standby power use

Efficient 220 W ATX power supply

The KHACHIMO X4630G 4650 D430 delivers 220 watts of continuous power in a standard ATX form factor. It is built for modern desktop systems that require reliable energy delivery and support for low-power sleep states. The 80 PLUS Gold certification confirms high efficiency across typical loads, reducing waste heat and electricity cost. This unit suits office workstations and compact builds where quiet, efficient operation is a priority.

Thermals noise and power draw

Zero RPM fan mode keeps the cooling fan completely stopped at low and medium loads, providing near-silent operation during everyday tasks. Resonant LLC topology with DC-to-DC conversion supplies clean, consistent power while reducing coil whine for quieter performance. The 80 PLUS Gold rating ensures high efficiency, which lowers power consumption and keeps internal temperatures cooler under normal use. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency.

Upgrade from lower-efficiency or noisy units

This supply replaces older ATX units that lack 80 PLUS Gold certification or active fan-stop functionality. The jump is worthwhile when moving from a design that runs its fan constantly or exhibits coil whine under load. Builders who need higher wattage for discrete graphics cards or multi-drive arrays should look elsewhere, as the 220 W limit is suited to integrated-graphics or low-power configurations. The Modern Standby support adds value for systems that frequently enter and exit sleep states.

How it compares

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

Price $40.99
Cheaper than about 92% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How do I install this ATX power supply and what step is often missed?

Mount the unit in a standard ATX case, connect the 24-pin motherboard and 4/8-pin CPU cables, then enable Modern Standby in the BIOS so the 80 PLUS Gold efficiency works at low loads.

What maintenance or replacement will this 220 W PSU need later?

The Zero RPM fan stays off at low load, so dust builds slowly; clean the intake grill yearly and replace the unit if coil whine appears after years of DC-to-DC operation.

What limit appears first when this 220 W supply runs at sustained load?

The 220 W total output cap is reached before thermal limits, so the fan spins up and efficiency drops if the system draws near that ceiling continuously.

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