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Silver ATX power supply unit with side fan grille and cable bundle

KHACHIMO

KHACHIMO 5V 60A 300W ATX power supply for OT8039

SKU CH-R1WP-WPW1P

Delivers 300 W at 5 V 60 A for OT8039 systems with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • Faster wake from sleep with Modern Standby support
  • Lower power draw thanks to 80 PLUS Gold efficiency
  • Near-silent running via Zero RPM fan mode
  • Clean, stable output from resonant LLC with DC-to-DC
  • 300 W capacity delivering 60 A on the 5 V rail

Purpose-built for OT8039 systems

This 300 W ATX power supply is designed specifically for the OT8039 platform. It delivers a 5 V rail rated at 60 A to match the board’s power requirements. The unit is new and carries 80 PLUS Gold certification for high efficiency.

Integration and build impact

Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power while reducing coil whine. Zero RPM fan mode keeps the cooling fan off at low and medium loads for near-silent operation.

Suited for OT8039 replacements and upgrades

Builders repairing or upgrading an OT8039 chassis will find the correct connector layout and power profile. Users needing higher wattage, different voltage rails, or a standard ATX form factor for another platform should look elsewhere.

Points forts

  • Faster wake from sleep with Modern Standby support
  • Lower power draw thanks to 80 PLUS Gold efficiency
  • Near-silent running via Zero RPM fan mode
  • Clean, stable output from resonant LLC with DC-to-DC
  • 300 W capacity delivering 60 A on the 5 V rail

Caractéristiques

TypeATX

Questions sur cet article

What is the maximum sustained output this 300 W ATX unit can deliver on its 5 V rail?

The 5 V rail is rated for 60 A, giving a 300 W total capacity under continuous load.

How loud does the fan get when the supply runs all day at typical loads?

Zero RPM mode keeps the fan off at low and medium loads, and 80 PLUS Gold efficiency reduces waste heat, so noise stays minimal even during extended operation.

Which motherboard form factor and connector standard must my board use to work with this PSU?

It follows the ATX specification, so any motherboard with a standard 24-pin ATX power connector and matching 5 V rail requirements will be compatible.

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