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Small square black fan with maglev bearing

Fans

Fans 2-wire 4020 Maglev 4 cm silent fan 0.6W KDE1204PKV2

SKU CH-M664-FJD5J

A 4 cm silent case fan using maglev bearings and a 2-wire 0.6 W design

  • Maglev bearing reduces friction for quieter operation
  • Two-wire design simplifies power connection to motherboard
  • 40 mm frame fits tight chassis spaces
  • Low 0.6 W draw keeps system power efficient

4020 Maglev fan for compact builds

The 4020 Maglev fan fits 4 cm mounting points and uses a two-wire connection for simple installation. Its magnetic levitation bearing reduces mechanical contact, making it suitable for small-form-factor cases and tight clearances where conventional fans cannot fit.

Low power draw and quiet operation

At 0.6 W the fan adds minimal load to a 12 V header while the maglev design keeps running noise low during typical case airflow duty. The two-wire layout means speed is voltage-controlled, so acoustic output stays consistent with the supply voltage provided by the motherboard or fan controller.

How it compares

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

Price $9.99
Cheaper than about 91% 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

How do I connect the 2-wire 4020 Maglev fan to a motherboard header?

Plug the 2-wire connector into a standard 3-pin or 4-pin fan header; the missing third wire means speed reporting is unavailable, so set the header to voltage control in BIOS rather than PWM.

What maintenance will the 0.6W Maglev bearing need over time?

The magnetic-levitation bearing has no physical contact, so no lubrication is required; occasionally blow dust from the blades with compressed air to keep airflow steady.

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