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Compact 1U ATX power supply unit with matte metal casing and rear fan grille

KHACHIMO

KHACHIMO Small 1U Switching 250W ATX Power Supply FSP250-50FGNC FSP250-50GUB 80 PLUS Gold

SKU CH-NNPH-X5NT9

A compact 1U ATX unit delivering 250 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Modern Standby support enables near-instant wake from sleep
  • 80 PLUS Gold certification delivers high efficiency for lower power draw
  • Zero RPM fan mode stops the fan at low and medium loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, stable power output
  • Compact 1U ATX form factor fits space-constrained builds while supplying 250W

Compact 1U ATX Power Supply

The KHACHIMO 250W unit fits the small 1U form factor while delivering standard ATX power for space-constrained builds. It suits slim desktops, embedded systems or rack-mount servers where height clearance is at a premium.

Upgrade from lower-efficiency or noisy units

Replacing an older supply with this 80 PLUS Gold model cuts waste heat and enables zero-RPM fan mode at low and medium loads for silent operation. The jump is worth it when Modern Standby support is required for instant wake and deeper sleep states.

Limits of the 250W ATX standard

Peak output is capped at 250 watts, so high-end discrete graphics cards or multi-drive arrays cannot be supported. The resonant LLC topology with DC-to-DC conversion stabilises voltage rails but does not raise the overall power ceiling.

Highlights

  • Modern Standby support enables near-instant wake from sleep
  • 80 PLUS Gold certification delivers high efficiency for lower power draw
  • Zero RPM fan mode stops the fan at low and medium loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, stable power output
  • Compact 1U ATX form factor fits space-constrained builds while supplying 250W

Specifications

TypeATX

Questions about this item

Will this 1U 250W ATX unit fit a standard 1U rack or slim chassis?

The 1U height matches standard 1U rack and slim-chassis bays; verify your case depth and ATX mounting-hole pattern before ordering.

What is the most common mistake when installing this FSP250-50FGNC supply?

Forgetting to connect the ATX 24-pin and CPU power cables fully seated; the unit will not start if either connector is loose.

What maintenance will this 80 PLUS Gold power supply need over time?

Occasional dust removal from the fan intake; the Zero RPM mode reduces buildup, and the sealed internals have no user-serviceable parts.

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