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

KHACHIMO

KHACHIMO LL1650FC 1650W 80 PLUS Gold power supply

SKU CH-KH74-9RWEJ

An ATX power supply delivering 1650 W with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM mode stops the fan at low loads
  • Resonant LLC plus DC-to-DC delivers clean, stable power
  • 1650 W capacity handles multi-GPU and server workloads

High-capacity ATX power supply

The KHACHIMO LL1650FC delivers 1650W of continuous power in a standard ATX form factor. It is built for multi-GPU workstations, render nodes and mining rigs that demand sustained high-wattage output from a single unit.

80 PLUS Gold efficiency

Certified at the Gold level, the unit maintains at least 90 percent efficiency at typical loads and 80 percent at light loads, reducing waste heat and lowering electricity cost during long-running compute tasks.

Zero RPM fan and LLC topology

A resonant LLC design with DC-to-DC conversion keeps voltage regulation tight and suppresses coil whine, while the fan stops completely at low and medium loads for silent operation in noise-sensitive environments.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM mode stops the fan at low loads
  • Resonant LLC plus DC-to-DC delivers clean, stable power
  • 1650 W capacity handles multi-GPU and server workloads

Specifications

TypeATX

Questions about this item

What does the 1650 W rating mean when the supply is inside a running system?

The 1650 W rating is the maximum continuous output the unit can deliver across all rails while staying within its 80 PLUS Gold efficiency targets.

What does the ATX form factor determine for cable routing and case fit?

ATX defines the physical dimensions and mounting screw pattern so the supply fits standard ATX cases and aligns with motherboard power connectors.

What clearance and mounting points does the LL1650FC need in a chassis?

It requires a standard ATX power-supply bay with four rear mounting screws and enough depth for a typical ATX-length unit.

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