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Compact 1U silver power supply with rear fan grille and cable bundle

KHACHIMO

KHACHIMO ACE-816A 200W 20Pin 1U Power Supply

SKU CH-8C7A-4ZWQD

A 200 W 1U ATX power supply with a 20-pin connector, 80 PLUS Gold efficiency, Zero RPM fan mode, resonant LLC topology and Modern Standby support

  • TypeATX
  • Modern Standby support enables rapid wake-from-sleep
  • 80 PLUS Gold certification delivers high efficiency and lower heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC with DC-to-DC conversion provides clean power and reduces coil whine
  • 200 W output through a 20-pin ATX connector fits 1U server chassis

Compact 1U ATX power supply

The KHACHIMO ACE-816A is a 200W ATX power supply in a 1U form factor with a 20-pin main connector. It targets builders of small-form-factor or rackmount systems that require a slim, gold-efficiency unit for modern standby sleep states.

Gold efficiency limits at low load

The 80 PLUS Gold rating guarantees high efficiency at typical loads, yet efficiency drops below 20 percent utilisation. Modern Standby support demands very low idle draw, so the unit stays within spec only when the platform truly enters deep sleep rather than idling at the desktop.

Straightforward 1U installation

The 1U height fits standard slim chassis without adapter brackets. The fixed 20-pin ATX connector suits older or embedded boards but cannot serve 24-pin sockets without an adapter. Zero RPM mode eliminates fan noise at light load, though coil whine may appear in resonant LLC designs under specific current steps.

Pluspunten

  • Modern Standby support enables rapid wake-from-sleep
  • 80 PLUS Gold certification delivers high efficiency and lower heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC with DC-to-DC conversion provides clean power and reduces coil whine
  • 200 W output through a 20-pin ATX connector fits 1U server chassis

Specificaties

TypeATX

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What does the 20Pin connector mean for my 1U build?

The 20Pin connector fits compact 1U chassis that require this specific ATX pin layout, so verify your motherboard or backplane matches before ordering.

How does the 200W rating hold up inside a tight 1U case?

At 200W the unit delivers its full rated output while the 80 PLUS Gold certification keeps waste heat low, helping the fan stay off longer in a restricted airflow environment.

What does 80 PLUS Gold actually cap in daily use?

It guarantees at least 80 % efficiency at typical loads, which reduces power draw, cuts fan noise through the Zero RPM mode, and lowers component temperatures.

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