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Rectangular ATX power supply unit with matte black metal casing and visible cooling fan grille

KHACHIMO

KHACHIMO YM72-AW 12V 4.2A ATX Power Supply

SKU CH-5FW7-89XSX

A 12 V ATX power supply delivering 4.2 A with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion for clean, quiet power

  • Product typeATX
  • Fast wake from sleep with Modern Standby support
  • Lower power draw and cooler temps via 80 PLUS Gold efficiency
  • Near-silent operation with Zero RPM fan mode at low loads
  • Clean, stable power from resonant LLC topology with DC-to-DC conversion
  • Reduced coil whine for quieter system operation

Modern Standby Compatible ATX Supply

The KHACHIMO YM72-AW is an ATX power supply rated at 12V 4.2A for desktop PC builds. It delivers 80 PLUS Gold certified efficiency to reduce power draw and heat output. The unit targets builders who want quiet, efficient power for standard systems. It is not for configurations that demand higher total wattage or multiple high-current rails.

Resonant LLC Topology with DC-to-DC

Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine. This design enables more energy-efficient sleep states and supports Modern Standby for fast wake times. The supply fits standard ATX mounting points in compatible cases. Builders needing non-ATX form factors or server-grade redundancy cannot use this unit.

Zero RPM Fan Mode at Low Loads

Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation. The 80 PLUS Gold rating ensures high efficiency across typical workloads, lowering noise and temperatures. Headroom is defined by the 12V 4.2A rating, so systems drawing beyond that limit will exceed capacity. Buyers requiring greater continuous current should consider higher-rated units.

How it compares

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

Price $82.99
Cheaper than about 74% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Will the 12 V rail sustain 72 W continuously without shutting down?

The unit delivers 12 V at 4.2 A, giving a maximum continuous output of 72 W on that rail.

How loud does the fan get under all-day load?

Zero RPM Fan Mode stops the fan at low and medium loads; under sustained high load the fan spins but the resonant LLC topology and DC-to-DC conversion keep coil whine low.

What motherboard power connector must my board already have?

It uses a standard ATX connector, so the motherboard needs a 24-pin ATX socket.

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