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Black ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO ACE-932T-RS 300W ATX Power Supply

SKU CH-P6YR-K3QMH

A 300 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for fast wake times

  • Product typeATX
  • Modern Standby support gives extremely fast wake-from-sleep
  • 80 PLUS Gold certification reduces power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC topology with DC-to-DC conversion cuts coil whine
  • 300W ATX output suits IEI AT P8P9P10 DC48V systems

300 W ATX power supply for IEI systems

This KHACHIMO ACE-932T-RS unit delivers 300 W of continuous power in a standard ATX form factor. It is designed specifically for IEI platforms that require a 48 V DC input. The 80 PLUS Gold certification confirms high efficiency across typical load ranges. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency.

Build integration and cable management

The supply accepts a 48 V DC source and converts it to the standard ATX rails your motherboard and drives expect. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power while reducing coil whine. Zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation. This topology also enables the use of more energy-efficient sleep states supported by the platform.

Ideal for compact IEI deployments.

This unit suits integrators deploying IEI systems where a 48 V DC source is already present and quiet, efficient operation is required. Builders needing a conventional AC-input ATX supply should look elsewhere. Systems demanding more than 300 W of continuous power will need a higher-capacity unit. Users without a 48 V DC infrastructure cannot use this supply.

How it compares

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

Price $551.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How long can the ACE-932T-RS sustain its 300W output before heat becomes the limiting factor?

The 80 PLUS Gold certification and Resonant LLC topology keep efficiency high, so thermal limits are reached later than on lower-rated units under continuous 300W load.

What noise level and temperature rise should I expect after the ACE-932T-RS has run all day at typical load?

Zero RPM Fan Mode stops the fan entirely at low and medium loads, giving near-silent operation and cooler temperatures even during extended use.

Which motherboard power connectors must my system already have for this ATX supply to work?

As a standard ATX unit it provides the 24-pin main connector and 4/8-pin CPU connector required by virtually all modern motherboards.

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