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KHACHIMO EFA-250 250W ATX power supply, silver metal box with fan grille

KHACHIMO

KHACHIMO EFA-250 250W ATX power supply

SKU CH-4VWF-A612R

A 250W ATX switching power supply, tested working and listed in March 2024

  • TypeATX
  • Delivers 250 W of ATX power for desktop builds
  • Tested working before dispatch for reliable operation
  • Good-quality components support stable system performance
  • Standard ATX form factor fits typical chassis layouts
  • First listed by the manufacturer on 14 March 2024

250 W ATX Power Supply

The KHACHIMO EFA-250 is a 250 W ATX switching power supply intended for basic desktop builds or replacement units. It suits office PCs, thin clients or legacy systems that do not demand high-wattage components. Tested working before dispatch, it delivers reliable power for low-load configurations.

Thermals Noise and Power Draw

Rated at 250 W continuous output, the unit draws only what the connected hardware requires under normal loads. Standard ATX cooling keeps temperatures stable during typical office workloads. Acoustic output remains low enough for quiet work environments.

Upgrade Path and Value

This supply replaces a failed or undersized ATX unit in systems that stay within a 250 W envelope. The jump is worth it when the existing PSU cannot sustain stable rails or lacks modern safety protections. Builders needing more headroom for discrete graphics or high-core-count CPUs should look elsewhere.

Highlights

  • Delivers 250 W of ATX power for desktop builds
  • Tested working before dispatch for reliable operation
  • Good-quality components support stable system performance
  • Standard ATX form factor fits typical chassis layouts
  • First listed by the manufacturer on 14 March 2024

Specifications

TypeATX

Questions about this item

How do I mount the EFA-250 ATX unit and connect the main power cable without missing the 24-pin motherboard plug?

Slide the supply into the case chassis, secure it with four screws through the rear flange, then press the 24-pin ATX connector firmly onto the motherboard header until the latch clicks.

Which parts of the EFA-250 will need attention or replacement after extended operation?

The internal cooling fan and the electrolytic capacitors are the components most likely to degrade over time; plan to inspect the fan for noise and the capacitors for bulging during routine system cleaning.

What is the first limit reached when the EFA-250 runs continuously near its 250 W rating?

The 250 W maximum output is the primary ceiling; sustained loads approaching that level will trigger the over-current protection before thermal limits become critical.

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