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Rectangular ATX power supply unit, matte black metal casing, cooling fan visible on one side

KHACHIMO

KHACHIMO DS-K7M-AW50-1 12V 4.2A ATX Power Supply

SKU CH-MP4N-1C2Z6

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

  • Product typeATX
  • Modern Standby support for rapid wake times
  • 80 PLUS Gold efficiency reduces power draw and heat
  • Zero RPM fan mode stops fan at low loads
  • Resonant LLC with DC-to-DC delivers clean, stable power
  • 12V rail rated at 4.2A for reliable component supply

50 W ATX Power Supply

The KHACHIMO DS-K7M-AW50-1 delivers 12 V at 4.2 A for low-power ATX systems. It suits compact builds, embedded appliances, or secondary machines that demand efficient, standards-compliant power.

80 PLUS Gold Certified

Gold-rated efficiency reduces waste heat and lowers electricity draw across typical loads. Resonant LLC topology with DC-to-DC conversion supplies clean voltage rails and cuts coil whine, while Modern Standby support enables rapid wake-from-sleep and deeper low-power states.

Zero RPM Fan Mode

The cooling fan stays off at low and medium loads, giving near-silent operation during everyday tasks. ATX form factor ensures standard case mounting and cable reach for typical chassis layouts.

How it compares

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

Price $67.99
Cheaper than about 80% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Will the cooling fan need replacement after years of continuous use?

The Zero RPM Fan Mode stops the fan at low and medium loads, reducing wear and extending its service life.

Does the 50 W output cap limit sustained performance before thermals become an issue?

The 12 V 4.2 A design delivers up to 50 W, and the 80 PLUS Gold efficiency keeps heat low enough that the fan often stays off.

How loud is the unit when it runs all day under typical loads?

Zero RPM Fan Mode keeps it near-silent at low and medium loads, while Resonant LLC topology with DC-to-DC conversion cuts coil whine.

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