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Square 90mm case fan with black frame and transparent blades, 3-pin connector visible

Fans

Fans KD1209PTS2Size 90x90x25mm 12V 1.7W magnetic suspension case fan

SKU CH-QMZ0-3YFDX MPN KD1209PTS2Size

A 90 mm square case fan with magnetic-suspension bearing runs at 2500 rpm on 12 V

  • Magnetic suspension bearing extends service life to 5000 hours
  • 12 V operation draws only 0.14 A for efficient cooling
  • 2500 rpm delivers strong airflow in compact 90×90×25 mm frame
  • 3-pin motherboard connector enables straightforward speed control
  • Low 1.7 W power rating keeps system energy use minimal

90 mm magnetic-suspension case fan

This 90 × 90 × 25 mm axial fan runs on 12 V and draws 0.14 A for 1.7 W of power. A three-pin motherboard connector provides direct speed control. The magnetic-suspension hydraulic bearing is rated for 5 000 hours of continuous operation at roughly 2 500 rpm. It suits compact chassis and heat-exchanger airflow paths where installation depth is limited.

Upgrade from sleeve-bearing 90 mm fans

Sleeve-bearing units of the same footprint typically develop noise and wear well before 5 000 hours. The magnetic-suspension design removes contact friction, so the acoustic profile stays consistent over the rated lifespan. The jump is worth it when a build demands long-term silence in a space-constrained layout such as a small-form-factor workstation or a dense server node.

Fits 90 mm mounts with three-pin headers

The fan slides into any standard 90 mm mounting holes and plugs straight into a 3-pin fan header, leaving PWM headers free for other components. Its shallow 25 mm frame clears tight side-panel gaps and crowded motherboard zones. The low 1.7 W draw adds minimal load to the 12 V rail, preserving headroom for the rest of the cooling subsystem.

Highlights

  • Magnetic suspension bearing extends service life to 5000 hours
  • 12 V operation draws only 0.14 A for efficient cooling
  • 2500 rpm delivers strong airflow in compact 90×90×25 mm frame
  • 3-pin motherboard connector enables straightforward speed control
  • Low 1.7 W power rating keeps system energy use minimal

Specifications

No published specifications for this item yet.

Questions about this item

Will the 90 mm by 90 mm frame with 25 mm depth fit my case fan slots?

The fan measures 90 mm square and 25 mm thick, matching the standard 9025 mounting pattern used in many chassis and server enclosures.

How do I connect the 3-pin motherboard plug and avoid the common wiring mistake?

Align the keyed 3-pin connector with the motherboard header so the yellow sense wire sits on the correct pin; forcing it backwards bends pins and disables speed reporting.

When should I plan to replace the magnetic suspension bearing fan?

The bearing is rated for 5000 hours of continuous operation; schedule a swap once the fan reaches that runtime or if noise increases noticeably.

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