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Silver rectangular ATX power supply unit with cooling fan and cable connectors

KHACHIMO

KHACHIMO 2200W ATX Power Supply PWS-2K21A-BR

SKU CH-8THX-V9WM1

ATX power supply delivering 2200 W with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC DC-to-DC topology for clean, quiet power

  • TypeATX
  • Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency operation for lower power consumption, less noise, and cooler temperatures
  • Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine for quieter operation
  • 2200W ATX power supply supports high-demand systems with robust power delivery

2200W ATX Power Supply

The KHACHIMO PWS-2K21A-BR is a 2200W ATX switching power supply built for workstations and servers that demand very high continuous power. It suits builders configuring multi-GPU render nodes, dense compute clusters or storage arrays where a single high-capacity unit simplifies cable routing and reduces points of failure.

Sustained Load Behaviour

Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power during prolonged heavy loads while reducing coil whine. The 80 PLUS Gold certification ensures high efficiency across the operating range, lowering waste heat and keeping internal temperatures down even when the system runs at full tilt for hours.

Practical Interface Limits

Modern Standby compatibility enables extremely fast wake-from-sleep transitions and better low-load efficiency for systems that cycle frequently between active and idle states. Zero RPM fan mode stops the cooling fan entirely at low and medium loads, providing near-silent operation during typical desktop or light server workloads.

Highlights

  • Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency operation for lower power consumption, less noise, and cooler temperatures
  • Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine for quieter operation
  • 2200W ATX power supply supports high-demand systems with robust power delivery

Specifications

TypeATX

Questions about this item

Does the 2200W unit stay quiet and cool during all-day use?

The 80 PLUS Gold certification and Zero RPM fan mode keep noise and heat low; the fan stops at light loads and the resonant LLC topology reduces coil whine.

What cables or connectors must I already have for this ATX supply to work?

It uses standard ATX power connectors, so any compatible motherboard, GPU and drive cables you already own will plug straight in.

Will the Modern Standby feature work with my older motherboard that lacks Modern Standby support?

The supply is Modern Standby compatible but will still deliver clean power to older boards; the faster wake and low-load gains simply require a supporting platform.

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