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

KHACHIMO

KHACHIMO X3650 X3550 M5 750W Power Supply

SKU CH-EC1H-2FTPT

A 750W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode, and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Modern Standby support gives faster wake-from-sleep
  • Resonant LLC with DC-to-DC conversion delivers clean, stable power
  • ATX form factor fits standard desktop chassis

New ATX 750W unit for modern systems

This KHACHIMO power supply fits standard ATX bays and delivers 750W of continuous power for desktop builds. It carries 80 PLUS Gold certification for high efficiency across typical loads. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. The unit suits builders who need reliable power without excess capacity.

Gold efficiency, zero-RPM fan and LLC topology

At low and medium loads the cooling fan switches off entirely for near-silent operation. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine for quieter operation. High efficiency operation lowers power consumption, noise and temperatures during normal use. These features combine for quiet, cool performance in everyday workloads.

Sustained load stability and efficient sleep states

Under sustained load the resonant LLC topology with DC-to-DC conversion maintains clean, consistent power delivery. The design enables use of more energy efficient sleep states for improved long-term efficiency. 80 PLUS Gold certification ensures high efficiency persists during extended operation. Builders who need fanless operation at high loads or multiple GPU power connectors should verify specifications before purchase.

Přednosti

  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Modern Standby support gives faster wake-from-sleep
  • Resonant LLC with DC-to-DC conversion delivers clean, stable power
  • ATX form factor fits standard desktop chassis

Specifikace

TypeATX

Otázky k tomuto produktu

How do I install this 750W ATX power supply into a Lenovo ThinkServer X3550 M5 or X3650 M5, and what step is often missed?

Slide the unit into the server's hot-swap bay until the latch clicks; the step often missed is fully seating the power connector so the 80 PLUS Gold unit registers as present.

What maintenance will this DPS-750AB-28A power supply need over time?

Clean the intake vents periodically; the Zero RPM Fan Mode means the fan runs less, but dust can still accumulate and reduce cooling efficiency.

What limit appears first when this 94Y8143 compatible PSU runs at sustained high load?

Thermal protection will trigger if airflow is restricted; the resonant LLC topology with DC-to-DC conversion maintains stable output until temperature thresholds are reached.

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