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Rectangular black metal ATX power supply unit with cooling fan and cable connectors

KHACHIMO

KHACHIMO DS1100PED-3 1100W ATX Power Supply

SKU CH-8SHQ-AZH5G

An 1100W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode, Modern Standby compatibility and resonant LLC plus DC-to-DC topology for clean, quiet power

  • Product typeATX
  • Fast wake from sleep with Modern Standby support
  • Lower power draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation at low loads with Zero RPM fan mode
  • Clean, stable power delivery using resonant LLC and DC-to-DC topology
  • 1100 W output for demanding system builds

1100W ATX Power Supply

The KHACHIMO DS1100PED-3 delivers 1100W of continuous power in a standard ATX form factor. It is built for high-performance desktop systems that demand stable current across multiple rails. Modern Standby compatibility ensures extremely fast wake-from-sleep times and better low-load efficiency for supported platforms.

Ideal for quiet high-wattage builds.

This unit suits enthusiasts assembling powerful workstations or gaming rigs who value low-noise operation. The Zero RPM fan mode stops the fan entirely at low and medium loads, while the resonant LLC topology with DC-to-DC conversion reduces coil whine. Builders working within small-form-factor chassis or those needing modular cable management should verify compatibility before purchasing.

Efficiency and topology benefits

An 80 PLUS Gold certification confirms high efficiency operation, which lowers power consumption, noise, and operating temperatures. The resonant LLC topology with DC-to-DC conversion provides clean, consistent power delivery and enables more energy-efficient sleep states. Modern Standby support further improves low-load efficiency and wake responsiveness.

How it compares

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

Price $230.99
Pricier than about 69% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What motherboard power connectors are needed for this 1100W ATX unit to work?

This power supply uses the standard ATX form factor, so it requires a motherboard with a 24-pin main power connector and matching CPU power headers to operate.

Will the Zero RPM Fan Mode still activate if I pair this PSU with an older motherboard that lacks Modern Standby support?

Yes, the Zero RPM mode operates based on the unit's internal load and temperature curves, so it will spin down at low and medium loads regardless of the motherboard's sleep-state capabilities.

How can I confirm the 80 PLUS Gold efficiency rating is being met after installation?

You can verify efficient operation by monitoring low system power draw at the wall, observing that the fan remains off during idle workloads, and checking that wake-from-sleep times are extremely fast.

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