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Rectangular ATX power supply in matte black with cooling fan and cable bundle

KHACHIMO

KHACHIMO FAS2050 855W ATX Power Supply

SKU CH-DKVZ-F9XVN

An 855 W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby compatibility

  • TypeATX
  • Modern Standby support enables near-instant wake from sleep
  • 80 PLUS Gold certification delivers high efficiency and lower running costs
  • Zero RPM fan mode stops the fan at low loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, stable power output
  • 855 W capacity handles demanding multi-GPU and workstation builds

855W ATX power supply for modern PCs

The KHACHIMO FAS2050 delivers 855W of continuous power through an ATX form factor, suited to high-performance desktop builds and workstations that demand stable output. Its 80 PLUS Gold certification confirms high efficiency at typical loads, reducing waste heat and electricity draw. Modern Standby compatibility enables extremely fast wake-from-sleep transitions and improved low-load efficiency. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and supports deeper sleep states.

Zero RPM fan mode and topology reduce noise

At low and medium loads the cooling fan stops completely, yielding near-silent operation during idle or light workloads. The resonant LLC design with DC-to-DC conversion further suppresses coil whine for quieter running. These features change the acoustic profile without requiring extra software or manual fan curves. The unit ships as a standalone power supply without bundled cables or accessories listed in the data.

Standard ATX installation with usual constraints

Installation follows the normal ATX mounting pattern and uses the standard 24-pin, CPU and PCIe connectors expected in current chassis. Builders must verify that their case accepts the supply's physical depth and that cable reach matches their component layout. The most common issue is insufficient clearance for stiff 24-pin or EPS cables in compact cases, and forgetting to seat the 12VHPWR or PCIe plugs fully on high-draw graphics cards.

Points forts

  • Modern Standby support enables near-instant wake from sleep
  • 80 PLUS Gold certification delivers high efficiency and lower running costs
  • Zero RPM fan mode stops the fan at low loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, stable power output
  • 855 W capacity handles demanding multi-GPU and workstation builds

Caractéristiques

TypeATX

Questions sur cet article

How often will the fan bearings on the FAS2050 need replacement?

The Zero RPM Fan Mode keeps the fan off at low and medium loads, reducing bearing wear and extending service intervals.

What limit appears first when the 855W unit runs at full load continuously?

The 80 PLUS Gold efficiency rating governs thermal output, so heat dissipation becomes the primary constraint under sustained maximum draw.

How much noise and heat does the FAS2050 produce during all-day operation?

Resonant LLC topology with DC-to-DC conversion cuts coil whine, while Zero RPM mode and Gold efficiency keep acoustics and temperatures low.

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