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

KHACHIMO

KHACHIMO 275W ATX Power Supply B275AM-00

SKU CH-X01B-PF9R2

ATX power supply delivering 275 W with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops completely at low loads for silent running
  • Resonant LLC topology with DC-to-DC delivers clean, stable power
  • ATX 275 W unit fits standard desktop builds

275W ATX power supply for Modern Standby PCs

This 275-watt ATX unit is built for systems that use Modern Standby sleep states. It suits office workstations, compact home PCs or any build that prioritises low idle power and quick wake times over high-output graphics.

Gold efficiency and silent fan profile

The 80 PLUS Gold rating means less waste heat and lower electricity draw at typical loads. A Zero RPM mode stops the fan completely at low and medium demand, while the resonant LLC topology with DC-to-DC conversion keeps voltage steady and cuts coil whine.

Standard ATX fit with sleep-state wiring

Installation follows normal ATX mounting and connector routing. The main requirement is a motherboard that fully supports Modern Standby signalling; boards without that support will not gain the fast-wake or deep-sleep benefits.

How it compares

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

Price $52.99
Cheaper than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Will the fan need replacement after years of continuous use?

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

What limits sustained output before the unit shuts down?

The 275 W rated capacity is the ceiling; drawing more triggers over-power protection.

How loud and hot does it get when running all day?

80 PLUS Gold efficiency and Zero RPM mode keep noise and heat low; the fan stays off until higher loads demand active cooling.

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