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Mean Well QP-200F 200W AT power supply in metal enclosure with built-in DC fan

Mean Well

Mean Well QP-200F 200W AT power supply

SKU CH-6265-RRS3B

AT power supply delivering 200 watts with universal AC input, active PFC, and forced-air cooling

  • TypeAT
  • Universal AC input works worldwide
  • Active PFC improves power efficiency
  • Multiple protections guard against faults
  • Forced air cooling handles 200 W load
  • Three-year warranty covers the unit

Mean Well QP-200F 200W AT power supply

The Mean Well QP-200F is a 200W AT form-factor power supply built for legacy desktop systems and industrial equipment that still rely on the older AT connector standard. It delivers a continuous 200W output with universal AC input and built-in active PFC for stable operation across varying mains conditions.

Check your existing setup before ordering

Verify that your chassis and motherboard require an AT-style power supply with the corresponding main power connector layout, as this unit will not fit ATX boards. Confirm the physical dimensions suit your case and that the built-in DC fan’s forced-air cooling path remains unobstructed. Ensure the AC inlet voltage range matches your local mains supply.

Replaces older AT units up to 200W

This supply directly substitutes earlier AT models rated at 75W, 100W or 150W, providing additional headroom for expanded drive counts or add-in cards. The step up is worthwhile when the original unit runs near its limit, trips over-temperature protection, or lacks active PFC, and the system must stay on the AT platform.

Highlights

  • Universal AC input works worldwide
  • Active PFC improves power efficiency
  • Multiple protections guard against faults
  • Forced air cooling handles 200 W load
  • Three-year warranty covers the unit

Specifications

TypeAT

Questions about this item

What comes in the box with the Mean Well QP-200F and do I need to buy a power cord or mounting screws separately?

The unit is supplied as a standalone AT power supply; a mains lead and fixing screws are not included and must be sourced separately.

The range lists 75 W, 100 W, 150 W, 200 W and 320 W models — which one should I choose for a typical retro AT build?

The QP-200F is the 200 W version with built-in active PFC and a DC fan, matching systems that need up to 200 W continuous power.

What does the 200 W rating mean once the supply is installed in a real machine?

It delivers up to 200 W continuous output with forced-air cooling, active PFC and full protection circuits, and has passed 100 % burn-in testing.

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