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Rectangular ATX power supply unit in matte black finish

KHACHIMO

KHACHIMO PWS-1K81P-1R 1800W ATX power supply

SKU CH-GHQB-8JH4N

An 1800W ATX power supply tested for reliable operation, first listed by the manufacturer in March 2024

  • Product typeATX
  • High 1800W output powers demanding multi-GPU builds
  • ATX form factor fits standard PC cases
  • Tested working before shipment ensures reliability
  • Good quality components support stable operation
  • Listed March 2024 reflects current design

High-output ATX unit

The KHACHIMO PWS-1K81P-1R is an 1800W ATX power supply built for systems that draw sustained heavy loads. It targets workstation builders and multi-GPU configurations where standard units fall short. The unit is new and has been test-working at the supplier.

Straightforward ATX fit

Installation follows the normal ATX form factor so it mounts in any compatible chassis without adapters. The main requirement is verifying that your case provides enough depth for a high-wattage unit. Cable routing is standard; the only common issue is underestimating the physical length needed for clean airflow.

1800W continuous headroom

At 1800W the supply comfortably powers dual high-end graphics cards, large core-count CPUs and multiple drives simultaneously. Headroom remains generous for transient spikes during render or compute workloads. It runs out when the combined draw exceeds the rated maximum or when the chassis cannot move the heat generated at that level.

How it compares

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

Price $230.99
Pricier than about 69% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How can I verify the 1800W unit is operating correctly after installation?

The supplier confirms each unit is test working before dispatch, so the system should power on and remain stable under load.

What does the PWS-1K81P-1R package contain and what must I source separately?

The unit itself is supplied; ATX power cables for the motherboard, graphics cards and drives are typically included, while mounting screws come with the case.

Which capacity should I choose for a build that needs 1800W output?

This model delivers 1800W, matching the requirement directly.

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