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Small 12 V ball-and-roller case fan with black frame and clear blades

Fans

Fans KD1204PFB2 12V 1.0W ball-and-roller case fan 4cm

SKU CH-EKPS-1MGX2

4 cm case fan with 12 V, 1.0 W ball-and-roller bearing for compact cooling

  • Runs on standard 12 V power rails
  • Low 1.0 W draw keeps system power budget light
  • Ball-and-roller bearing design for durable rotation
  • Compact 1204 form factor fits tight chassis spaces

4 cm ball-and-roller case fan

This 4 cm case fan uses a ball-and-roller bearing and runs on 12 V power. It draws 1.0 W and is suited for tight chassis spots or targeted component airflow. Builders working with small-form-factor cases or legacy 1204 mounting points will find it a direct fit.

Capacity and headroom

The fan delivers modest airflow for spot cooling of voltage regulators, memory modules or drive cages. It is not intended as a primary case exhaust or high-static-pressure radiator fan. Systems needing higher CFM or larger frame sizes will require a different solution.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 85% of the 8,339 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Will the 12 V 1.0 W fan run from the same 4-pin header I use for my older 120 mm fans?

Yes — it draws 1.0 W at 12 V, so a standard 12 V header that powers larger fans will also drive this 4 cm unit without an adapter.

How can I confirm the ball-and-roller bearing is spinning correctly after I install the KD1204PFB2?

Listen for smooth, quiet rotation at 12 V; the ball-and-roller design should produce no grinding or rattling, and the blades should reach full speed within a second of power-on.

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