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Rectangular ATX power supply unit in matte black finish with cooling fan visible

KHACHIMO

KHACHIMO I840-G25 920W ATX power supply

SKU CH-2KWX-D00F7

An ATX power supply delivering 920 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby compatibility

  • Product typeATX
  • Fast wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low load for silent running
  • Resonant LLC topology delivers clean stable power
  • 920 W output handles demanding builds

High-Capacity ATX Power Supply

The KHACHIMO I840-G25 is a 920W ATX power supply designed for high-performance desktop systems. It delivers 80 PLUS Gold certified efficiency to reduce power draw and heat output. Resonant LLC topology with DC-to-DC conversion ensures stable voltage regulation. Modern Standby compatibility enables faster wake-from-sleep transitions.

Ideal for Quiet High-Power Builds

This unit suits builders who need substantial wattage and silent operation at idle. Zero RPM fan mode stops the fan completely under low and medium loads for near-silent performance. It is not suited for systems requiring redundant power supply configurations. Buyers needing SFX or TFX form factors must select a different physical size.

920W Output Rating

The single specification that determines compatibility is the 920W maximum power rating. Your components' combined peak power draw must remain within this limit for stable operation. The 80 PLUS Gold certification confirms high efficiency across typical load ranges. Verify that your case supports standard ATX power supply dimensions before purchase.

How it compares

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

Price $229.99
Pricier than about 69% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How much noise and heat does the 920W unit produce when it runs all day?

The 80 PLUS Gold rating keeps efficiency high, reducing waste heat, and the Zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation.

What must my PC already have for this ATX supply to work?

It fits any standard ATX case and connects to a motherboard with a 24-pin socket and CPU power header, drawing up to 920W from a regular mains outlet.

Will the Modern Standby support on this I840-G25 work with my older motherboard?

Modern Standby requires a compatible motherboard and OS; on older boards the supply still delivers clean power via its resonant LLC and DC-to-DC topology, but the fast wake feature will not activate.

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