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Rectangular black ATX power supply with cooling fan visible

KHACHIMO

KHACHIMO PWS-2K04A-1R 2000W ATX power supply

SKU CH-Q41N-DBMMM

An ATX unit delivering 2000 W with 80 PLUS Gold efficiency, Modern Standby support, a Zero RPM fan mode and resonant LLC plus DC-to-DC topology for clean, quiet power

  • Product typeATX
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • Modern Standby compatible for extremely fast wake-from-sleep times and better low-load efficiency
  • 2000 W output capacity supports demanding multi-GPU and workstation builds

2000W ATX power supply for high-end systems

This 2000W ATX unit targets builders of workstations and extreme gaming rigs that demand sustained multi-GPU or multi-CPU power. It suits users who need maximum headroom from a single PSU rather than redundant supplies. Buyers assembling compact or budget-oriented PCs will find this capacity unnecessary.

80 PLUS Gold efficiency with zero-RPM mode

The 80 PLUS Gold rating keeps power draw lower and temperatures cooler across typical workloads. A zero-RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation. Resonant LLC topology with DC-to-DC conversion reduces coil whine and supports efficient sleep states.

Modern Standby support for instant wake

Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. The DC-to-DC design delivers clean, consistent power to sensitive components. Builders must ensure their case accommodates a high-wattage ATX unit and that cabling reaches all required connectors.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $281.99
Pricier than about 75% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How do I install this ATX power supply and which step is often missed?

Mount the unit in the case with four screws, connect the 24-pin motherboard and CPU power cables, then verify the physical power switch on the rear is set to the on position before turning on the system.

What maintenance or replacement will this power supply need later?

The Zero RPM fan mode keeps the fan off at low and medium loads, reducing wear; if the fan eventually becomes noisy or stops spinning under load, replace the fan assembly to restore cooling performance.

What limit appears first under sustained use of this 2000W unit?

The 80 PLUS Gold certified efficiency rating means waste heat increases as load climbs; prolonged operation near maximum output will hit thermal limits first, causing the protection circuitry to reduce power.

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