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Silver ATX power supply unit with fan grille and cable bundle

KHACHIMO

KHACHIMO PE850 PE860 R200 345W ATX Power Supply

SKU CH-CWRD-RZAMH

A 345 W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • Product typeATX
  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency reduces power draw and heat output
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers stable, clean power
  • 345 W ATX output for reliable system performance

ATX 345W Power Supply for Efficient Builds

The KHACHIMO PE850 PE860 R200 delivers 345 watts of continuous power through a standard ATX form factor, making it suitable for compact or mainstream desktop builds that prioritise energy efficiency. Its 80 PLUS Gold certification ensures high efficiency across typical loads, reducing waste heat and lowering overall power draw for daily computing tasks.

Modern Standby Support with Zero RPM Fan

This unit supports Modern Standby for extremely fast wake-from-sleep times and improved low-load efficiency, ideal for systems that frequently enter sleep states. The Zero RPM fan mode keeps the cooling fan completely off at low and medium loads, enabling near-silent operation during light workloads or idle periods without requiring additional fan control hardware.

Resonant LLC Topology for Stable Output

A resonant LLC topology combined with DC-to-DC conversion provides clean, consistent power delivery under sustained load while reducing coil whine for quieter long-term operation. This design also enables more energy-efficient sleep states, maintaining stable voltage regulation during extended use rather than only in short bursts.

How it compares

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

Price $142.99
Typical for this category: the median of 10,869 items is $142.99.

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Specifications

Product
Product typeATX

Questions about this item

How much continuous power can the 345W ATX supply deliver before its protection circuits kick in?

The unit is rated for 345 W of continuous output; sustained loads above that level will trigger the built-in over-power protection and shut the supply down.

Does the Zero RPM fan mode stay off all day under typical office loads?

Yes, the Zero RPM mode keeps the fan completely stopped at low and medium loads, so typical office workloads run silently for hours.

Which motherboard power connectors must already be present for this PSU to work?

A standard 24-pin ATX motherboard connector and the matching 4-pin or 8-pin CPU power connector are required on the board.

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