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Small 40mm square case fan, black frame, transparent blades, four-wire PWM lead

SXDOOL

SXDOOL FFB0412EN-00Size 40mm 12V 25000 RPM 32.9 CFM 64dBA case fan

SKU CH-FA8J-DSDQ8 MPN FFB0412EN-00Size

A 40 mm case fan running at 25000 RPM delivers 32.9 CFM airflow at 64 dBA noise

  • Fan size40 mm
  • Product typeCase Fan Accessory
  • 40 mm frame fits tight server and small-form-factor cases
  • 25 000 RPM double-ball bearing delivers 32.9 CFM airflow
  • 12 V 2.10 A four-wire PWM lead enables precise speed control
  • 64 dBA at full speed for high-performance cooling

Compact 40 mm 12 V PWM fan for tight server builds

This 40 mm case fan runs on 12 V and spins at 25000 RPM, moving 32.9 CFM of air through a 40 by 40 by 28 mm frame. Double ball bearings support the high rotational speed, while a four-wire lead provides PWM control and speed reporting. It suits compact servers and industrial enclosures where space is limited but airflow must remain strong.

Noise and power limits of the 12 V PWM interface

At full speed the fan produces 64 dBA, a level that may be intrusive in quiet workspaces or home offices. The 2.10 A current draw demands a fan header or controller rated for at least that amperage on the 12 V rail. Builders who need silent operation or who have only low-current headers should consider alternative cooling approaches.

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).
Fan size 40 mm
Lower than about 90% of the 1,114 comparable items (median 120 mm).

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Specifications

Product
Brand nameXCLIO
Product typeCase Fan Accessory
Size & build
Fan size40 mm

Questions about this item

Should I pick this 40 mm fan or a different size for my build?

Choose the 40 mm model only if your chassis or heatsink has 40 mm mounting holes; larger fans will not fit that footprint.

What does the 32.9 CFM airflow mean once the fan is installed?

At 25000 RPM the fan moves 32.9 CFM of air through a 40×40×28 mm frame, delivering strong spot cooling at 64 dBA noise.

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