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Rectangular silver ATX power supply unit with fan grille and modular cable sockets

KHACHIMO

KHACHIMO 2000W ATX Power Supply NCS1K-2KW-AC 341-100362-02

SKU CH-RNDN-APC00

Delivers 2000 W of 80 PLUS Gold ATX power with zero-RPM fan mode and Modern Standby support

  • Product typeATX
  • Fast wake-from-sleep with Modern Standby compatibility
  • Lower power draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation at typical loads with Zero RPM fan mode
  • Clean, stable power delivery through resonant LLC topology with DC-to-DC conversion
  • Reduced coil whine and support for deeper sleep states

2000W ATX Power Supply

The KHACHIMO NCS1K-2KW-AC is a 2000 watt ATX power supply built for systems that demand high continuous output. It carries 80 PLUS Gold certification for efficient power delivery and lower heat. Resonant LLC topology with DC-to-DC conversion provides clean, stable voltage rails. Modern Standby compatibility enables rapid wake-from-sleep transitions.

Suited for high-end workstations and servers

This unit suits builders assembling high-power workstations or servers that can use a 2000 watt ATX supply. The Zero RPM fan mode keeps acoustics low at light loads by stopping the fan completely. Buyers whose builds require less power or who are limited to smaller form-factor cases that cannot accommodate a standard ATX unit should consider other options.

80 PLUS Gold efficiency rating

The 80 PLUS Gold rating is the key specification that confirms high efficiency across typical load ranges, reducing wasted energy and operating temperature. This certification, combined with the LLC resonant design, supports the stable output required by demanding multi-GPU or compute configurations. Verify that your chassis and components are compatible with a 2000 watt ATX power supply before purchase.

How it compares

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

Price $1,589.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What ATX form factor does this 2000W unit use, and what does that limit in a standard case?

It follows the ATX form factor, so it fits standard ATX cases but its 2000W output requires a case with enough clearance for the unit's length and adequate airflow for high-wattage operation.

Which power connectors must the case and motherboard provide to support this 2000W supply?

The unit needs a standard 24-pin ATX motherboard connector, an 8-pin (or 4+4) CPU power connector, and multiple PCIe 6+2-pin connectors for graphics cards, all of which must be present on the motherboard and GPU.

How is the PSU mounted in the case, and what installation step is often missed?

Secure the PSU to the rear of the case with four screws, orient the fan toward a ventilated panel, and remember to flip the external I/O power switch to the "on" position after wiring, otherwise the system will not start.

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