We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
KHACHIMO 400W ATX power supply unit in metal case

KHACHIMO

KHACHIMO 400W ATX power supply ST-400NAG-05F

SKU CH-TB0Z-HEFN5

A 400 W ATX power supply tested working with good quality construction

  • TypeATX
  • 400 W output powers standard desktop builds
  • ATX form factor fits common chassis layouts
  • Tested working for reliable operation
  • Good quality components support stable delivery

KHACHIMO 400W ATX unit for system builds

This KHACHIMO power supply delivers 400W through a standard ATX form factor. It is intended for builders assembling or repairing desktop computers that require this output level. The unit has been tested to confirm working operation before dispatch. It suits general-purpose configurations needing reliable power conversion.

Thermals noise and power draw in normal use

The power supply converts mains input to the 400W rated output for connected components. Internal cooling manages heat generated during this conversion process. Operational noise comes from the cooling mechanism running under typical load conditions. Power draw at the wall varies with the actual system demand placed on the unit.

Highlights

  • 400 W output powers standard desktop builds
  • ATX form factor fits common chassis layouts
  • Tested working for reliable operation
  • Good quality components support stable delivery

Specifications

TypeATX

Questions about this item

How do I install the ATX 400W unit in my chassis?

Mount the power supply using the standard ATX screw holes at the rear of the case, connect the 24-pin motherboard cable and the 4-pin or 8-pin CPU power lead, then attach the remaining plugs to your drives; the step most people miss is seating the main 24-pin connector fully until the latch clicks.

What maintenance will this 400W power supply need later?

Clean dust from the intake and exhaust vents every few months to keep airflow clear; the internal fan is the only moving part, and if it ever becomes noisy or stops spinning the whole unit should be replaced.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.