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Small black 4020 case fan with 2-wire lead

Fans

Fans 4020 KD1204PKB2 12V .9W 2-wire ball case fan

SKU CH-ZQY7-96CJ0

A 4020-size DC 12 V case fan drawing .9 W with a two-wire ball-bearing motor

  • Ball-bearing motor runs quietly and lasts longer
  • 12 V DC input suits standard PC fan headers
  • 9 W draw keeps power use minimal
  • 4020 form factor fits tight 40 mm × 20 mm mounting spots

SUNON 4020 12V ball-bearing case fan

The SUNON KD1204PKB2 is a 12 V DC case fan built with a ball bearing for long service life. It draws 0.9 W and uses a standard two-wire power connection. This compact 4020 frame fan suits industrial enclosures, server chassis or any 12 V cooling slot that requires reliable airflow.

Two-wire 12 V power requirement

The fan operates only from a 12 V two-wire header, so it has no speed reporting or PWM control. Builders who need tachometer feedback, variable speed headers or a different voltage must choose another model.

How it compares

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

Price $13.99
Cheaper than about 70% 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

What does the 0.9 W rating mean once the fan is installed?

It means the motor draws 0.9 watts from a 12 V supply, so the current is low enough for any standard fan header.

What does the 2-wire interface cap in practice?

It provides power and ground only, so speed is fixed at full voltage and the motherboard cannot adjust it via PWM.

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