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KHACHIMO NPS-420AB D 420W ATX power supply, matte black metal case with fan grille and cable bundle

KHACHIMO

KHACHIMO NPS-420AB D 420W ATX Power Supply

SKU CH-MG70-MT4HE

A 420W ATX unit with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for quiet, low-power sleep states

  • TypeATX
  • Modern Standby compatible for near-instant wake from sleep
  • 80 PLUS Gold certified efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean power
  • 420 W ATX output suits industrial and server workloads

Purpose-built 420W ATX unit

The KHACHIMO NPS-420AB D is a 420W ATX power supply designed for industrial servers and workstations that require continuous, efficient power delivery. Its 80 PLUS Gold certification ensures high efficiency across typical loads, reducing waste heat and operating noise. Modern Standby compatibility allows extremely fast wake-from-sleep transitions, making it suitable for systems that cycle through low-power states frequently.

Capacity and headroom

At 420W this unit comfortably handles single-socket server boards, multi-drive storage arrays and mid-range GPUs within its rated envelope. The resonant LLC topology with DC-to-DC conversion maintains tight voltage regulation and low ripple even as load varies, but sustained draws above the rated wattage will exceed its design limit. Builders planning dual high-power GPUs or heavily overclocked configurations should look for a higher-capacity model.

Deciding specification

The single specification that determines fit is the 420W ATX rating combined with Modern Standby support; if your platform requires that sleep-state behaviour and your total system draw stays within 420W, this supply matches the requirement. Systems needing more power or lacking Modern Standby dependence will not benefit from this specific feature set.

Points forts

  • Modern Standby compatible for near-instant wake from sleep
  • 80 PLUS Gold certified efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean power
  • 420 W ATX output suits industrial and server workloads

Caractéristiques

TypeATX

Questions sur cet article

Will the 420W ATX unit power a legacy motherboard that only has a 20-pin main connector?

Yes, the 20+4 pin ATX connector splits to fit older 20-pin sockets while still supporting modern 24-pin boards.

How can I confirm the Zero RPM Fan Mode is actually stopping the fan at low load?

Under light workloads the fan remains completely still; you will hear no spinning noise until the internal temperature rises past the preset threshold.

Which cables come attached to the NPS-420AB D and what must I source myself?

The supply has fixed 20+4 pin ATX, 4-pin CPU and peripheral leads; any extra connectors beyond those are not included.

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