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Black rectangular ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO M58 A57 M57 A58 280W Power Supply

SKU CH-8SNA-T5T7E

280W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and LLC resonant topology for quiet, low-heat operation

  • Product typeATX
  • Modern Standby compatible for extremely fast wake-from-sleep
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • ATX type power supply rated at 280W

280 W ATX power supply for modern standby PCs

This 280 W ATX unit is built for systems that use Modern Standby sleep states. It suits office workstations, compact home PCs and any build that needs fast wake times and high efficiency at low load.

Standard ATX fit with zero-RPM fan mode

The supply follows the ATX form factor, so it mounts in any compatible case using four screws and connects with the usual 24-pin and CPU cables. At low and medium loads the fan stops completely, eliminating noise; coil whine is further reduced by the resonant LLC topology with DC-to-DC conversion.

280 W rated output

The single deciding specification is the 280 W maximum continuous power. Systems with discrete graphics cards, multiple drives or high-core-count CPUs will exceed this limit and need a higher-capacity unit.

How it compares

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

Price $47.99
Cheaper than about 91% of the 10,869 comparable items (median $142.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Product typeATX

Questions about this item

How can I confirm the KHACHIMO 280W unit is operating correctly after installation?

Verify the 80 PLUS Gold efficiency rating is active by checking low power draw at idle, and listen for the Zero RPM fan mode keeping the fan off during light loads.

What cables and connectors are included with the KHACHIMO M58 A57 M57 A58 power supply?

The unit includes the standard ATX 24-pin, CPU 4+4-pin and PCIe 6+2-pin cables needed for a typical desktop build.

Which of the listed part numbers such as 41A9665 or 45J9436 should I select for my system?

All listed part numbers including 41A9665, 41A9684, 41N3482, 45J9436, 36001721 and PS-5281-8VE refer to the same 280W ATX model, so choose the one that matches your original unit.

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