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KHACHIMO I840-G20 550W ATX power supply unit

KHACHIMO

KHACHIMO I840-G20 550W Power Supply R1CA2551K

SKU CH-4WAJ-24YZV

A 550 W ATX switching power supply tested for reliable operation

  • Product typeATX
  • ATX form factor fits standard PC cases
  • 550 watt output powers mid-range components
  • tested working before shipment
  • good quality components for reliable operation

I840-G20 550W ATX power supply

The KHACHIMO I840-G20 is a 550W ATX switching power supply built for standard desktop builds. It arrives new and tested working, offering a straightforward replacement or upgrade for systems that use the ATX form factor.

550W capacity for mid-range systems

At 550W the unit comfortably powers typical office or home PCs with a single mid-range graphics card. It will not support configurations that demand significantly more power, such as multi-GPU setups or high-end workstations requiring higher wattage headroom.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $322.99
Pricier than about 80% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Will the 550W output support my older ATX motherboard and drives?

The unit follows the ATX form factor and delivers 550W, matching the power connector layout used by older boards and drives.

How can I confirm the PSU is running correctly after installation?

The supplier tests each unit before dispatch; once fitted, a stable system boot and steady fan operation show it is working as intended.

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