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Silver 1U ATX power supply with rear fan grille and modular cable sockets

KHACHIMO

KHACHIMO CS24-SC 1U 400W ATX Power Supply

SKU CH-F1MY-T08BH

A 1U 400W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for quiet, efficient operation

  • TypeATX
  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Resonant LLC with DC-to-DC delivers stable, clean power
  • 1U form factor fits compact chassis and rack builds

Compact 1U Power Supply

The KHACHIMO CS24-SC is a 1U form factor ATX power supply delivering 400W for space-constrained server or workstation chassis. It suits system integrators building rackmount appliances or compact desktop replacements where height is limited to a single rack unit.

Standard ATX Installation

The unit mounts using conventional ATX screw patterns and connects via standard ATX power cables, so assembly follows familiar steps. The 80 PLUS Gold certified design runs cooler, which eases cable routing in tight 1U enclosures, while the Zero RPM fan mode eliminates noise at low and medium loads. Ensure the chassis provides adequate airflow to the rear exhaust, as restricted ventilation can trigger thermal protection under sustained load.

Verify Chassis And Power Needs

Confirm the case accepts a 1U high PSU and that the combined system draw stays within the 400W rating. Modern Standby compatibility requires a supporting motherboard and operating system to enable fast wake and low-power sleep states. The resonant LLC topology with DC-to-DC conversion delivers stable voltages for sensitive components, but the builder must ensure the motherboard pinout matches standard ATX specifications.

Highlights

  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Resonant LLC with DC-to-DC delivers stable, clean power
  • 1U form factor fits compact chassis and rack builds

Specifications

TypeATX

Questions about this item

How do I verify the CS24-SC is operating correctly after installation?

Check that the fan stays off at idle, the system wakes from sleep instantly, and the 80 PLUS Gold certification mark appears on the label.

What comes in the box with the CS24-SC and what must I source separately?

The CS24-SC 1U 400 W ATX power supply is included; mounting screws, power cord and any extra cables are not supplied.

Which version or capacity of the KHACHIMO CS24-SC should I choose for my build?

The single 400 W model with Modern Standby support and Zero RPM fan mode covers the listed specifications.

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