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Small square black 40mm frame 20mm thick fan

Fans

Fans 4020HH12B-NF4 40x40x20mm 12V 0.24A double ball case fan

SKU CH-Z9EP-4CK5T

A 40×40×20 mm case fan runs on 12 V with a .24 A double-ball bearing and three-wire connection, supplied in a 100-piece lot

  • 12 V 0.24 A power draw keeps energy use low
  • Double ball bearing design extends operating life
  • 40 x 40 x 20 mm size fits tight chassis spaces
  • Supplied in 100-piece lots for volume builds

Compact 40 mm 12 V cooling fan

The 4020HH12B-NF4 is a 40 mm square by 20 mm thick case fan that runs on 12 V DC and draws 0.24 A. It uses a double ball bearing and a three-wire connection for speed monitoring. The unit is supplied in a 100 piece lot for volume builds or spares.

Suits tight enclosures and bulk buyers

Builders working in small form factor cases, GPU shrouds or embedded chassis can use this fan where larger frames will not fit. Buyers who need PWM control, higher airflow or a larger frame should look at other models.

How it compares

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

Price $164.99
Pricier than about 90% 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 is the first limit that appears when the 4020HH12B-NF4 runs continuously at 12V?

The double-ball bearing is the component that determines long-term running life, and it is rated for continuous operation at the specified voltage and current.

How much noise and heat does the 40x40x20mm fan add to a case during all-day use?

At 0.24A on 12V the fan draws modest power, and the double-ball design keeps acoustic output steady without the rattle that sleeve bearings develop over time.

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