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Silver rectangular ATX power supply unit with 80 PLUS Gold badge

KHACHIMO

KHACHIMO SUNTRONIX 24V 2.2A 50W 80 PLUS Gold Power Supply

SKU CH-WTFD-BYTPG

An 80 PLUS Gold ATX unit delivering 24 V at 2.2 A for 50 W with Modern Standby, zero-RPM fan mode and resonant LLC topology

  • Product typeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency reduces power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC and DC-to-DC topology delivers clean, stable power
  • 24 V, 2.2 A output provides 50 W for ATX systems

Compact ATX Power Supply

The KHACHIMO SUNTRONIX unit delivers a continuous 50 W output on a single 24 V rail rated at 2.2 A. Its ATX form factor fits standard chassis while the 80 PLUS Gold certification ensures high efficiency across typical workloads. The design targets builders who need a modest, reliable power source for low-draw systems or specialised 24 V applications.

Replacing Older Low-Output Units

This supply upgrades ageing ATX units that struggle with modern standby states or that run noisy fans at idle. The resonant LLC topology with DC-to-DC conversion provides cleaner voltage regulation and enables deeper sleep states. The jump is worthwhile when a system requires fast wake-from-sleep response and near-silent operation at low and medium loads.

Limits of the ATX Standard

The fixed 50 W capacity restricts use to platforms with very low total power draw; it cannot support mainstream discrete graphics cards or high-core-count processors. Zero RPM fan mode depends on internal temperature thresholds defined by the ATX specification, so airflow in the surrounding case still affects acoustic results. Builders needing higher wattage or multiple voltage rails must select a larger unit.

How it compares

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

Price $336.99
Pricier than about 81% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What form factor does the KHACHIMO SUNTRONIX 24V 2.2A 50W 80 PLUS Gold Power Supply use?

It uses the ATX form factor, so it fits standard ATX cases and mounts with four screws on the rear panel.

What is the correct way to connect the 24V output, and what mistake should I avoid?

Wire the 24V rail to the load observing polarity; the common error is reversing the positive and negative leads, which can damage connected equipment.

When should I expect to replace the cooling fan in this unit?

The Zero RPM Fan Mode keeps the fan off at low and medium loads, reducing wear; under typical use the fan often lasts the full life of the 50W supply.

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