Fans 4020 12V .6W KD1204PKB2 3-wire Ball case fan
40 mm 12 V ball-bearing case fan with three-wire speed control
- Low 0.6 W draw keeps system power use minimal
- 12 V operation fits standard PC headers
- 3-wire connection enables speed monitoring
- Ball bearing design supports durable continuous rotation
4020 12 V ball-bearing case fan
This 4020 frame fan runs on 12 V and draws 0.6 W. A three-wire lead provides speed reporting for motherboard monitoring. The ball-bearing motor is built for continuous operation in tight chassis spaces.
Compact builds needing a 40 mm replacement
Suits small-form-factor cases or legacy gear that specifies a 4020 footprint and a three-pin header. Not for builders who need PWM control, larger frame sizes or higher airflow ratings.
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
What power connector does the KD1204PKB2 fan require?
The KD1204PKB2 uses a 3-wire connection for 12V power and speed reporting.
Will the 4020 fan fit the same mounting holes as my current 40 mm fan?
Yes, the 4020 designation confirms a 40 mm square frame that matches standard 40 mm mounting patterns.
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