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Black ATX power supply unit with 12 cm fan grille and modular cable connectors

KHACHIMO

KHACHIMO ZKS-450SX 450W ATX power supply

SKU CH-AK79-H6P90

Delivers 450 W through an ATX design with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • Product typeATX
  • Modern Standby support enables extremely fast wake-from-sleep
  • 80 PLUS Gold certification delivers high efficiency for lower consumption and cooler temps
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • 450W ATX output powers standard desktop builds reliably

450 W ATX power supply

The KHACHIMO ZKS-450SX delivers 450 W of continuous power in a standard ATX form factor. It targets builders who need a compact, efficient unit for modern desktop platforms. The design supports Modern Standby for rapid wake-from-sleep behaviour. It suits general productivity and light gaming systems.

450 W capacity with 80 PLUS Gold headroom

The 450 W rating comfortably handles mainstream CPUs and mid-range graphics cards under typical loads. Peak demands from high-end multi-GPU arrays or extreme overclocking will exceed the available headroom. The 80 PLUS Gold certification ensures high efficiency across the load range. Efficiency drops sharply only when the unit is pushed beyond its rated maximum.

Zero RPM fan mode and LLC topology

A Zero RPM mode stops the fan completely at low and medium loads for near-silent operation. Resonant LLC topology with DC-to-DC conversion supplies clean power and reduces coil whine. The combination keeps temperatures lower and acoustic output minimal during everyday use. Fan noise becomes audible only under sustained heavy load.

How it compares

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

Price $907.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

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