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Black 40mm square case fan 28mm thick with four-pin PWM connector

SXDOOL

SXDOOL 40mm 12V Dual Ball Bearing 14000RPM PWM Case Fan

SKU CH-7MS5-EFVY8

Compact 40 mm 12 V dual ball-bearing fan spins at 14 000 RPM, delivering 20-25 CFM airflow with PWM speed control

  • Fan size40 mm
  • Bearing designBall
  • Rotational speed14,000 rpm
  • Airflow rate20-25 CFM
  • Operating noise> 50 dBA
  • Power input connector4 Pin
  • High-speed cooling at 14000 RPM maximum speed
  • Precise PWM temperature control via 4-pin connector
  • Dual ball bearing rated for 60000 hours life
  • Compact 40×40×28 mm fits tight spaces
  • 5 CFM airflow from 3.36 W power draw

SXDOOL 40mm 12V PWM Case Fan

The SXDOOL 40mm fan fits small-form-factor cases, rack enclosures and industrial equipment where a 40mm frame is required. It delivers up to 22.5 CFM at 14000 RPM using a dual ball bearing rated for 60000 hours. The 4-pin PWM connector allows the motherboard to regulate speed automatically.

Replacing sleeve-bearing 40mm fans

This unit replaces noisy or failed sleeve-bearing fans that have worn out after extended use. The jump is worth it when the original fan exceeds 50 dBA or can no longer maintain airflow above 20 CFM. Dual ball bearings tolerate higher temperatures and continuous operation better than sleeve designs.

Installing the 40mm PWM fan

Mounting uses the standard 3.3cm hole spacing with four screws. The 7cm lead reaches most nearby headers but may need an extension for distant fan connectors. The blue PWM wire must be connected to a 4-pin header for speed control; otherwise the fan runs at full 14000 RPM continuously.

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

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Specifications

Product
Product typeCase Fan
Product colorBlack
Performance
Rotational speed14,000 rpm
Airflow rate20-25 CFM
Power
Power input connector4 Pin
Size & build
Fan size40 mm
Bearing designBall
Environment & compliance
Operating noise> 50 dBA
More details
LED lightingNon-LED

Questions about this item

Will the 3.3 cm mounting-hole spacing match my 40 mm fan slots?

Yes — the fan body is 40 × 40 × 28 mm with holes spaced 3.3 cm apart, the standard 40 mm pattern.

Which motherboard header do I plug the 4-pin connector into, and which wire is PWM?

Use any 4-pin system-fan header; the blue wire carries the PWM signal, black is ground, red is +12 V, yellow is tachometer.

When should I plan to replace the dual ball bearing fan?

Rated life is 60 000 hours at 14 000 rpm; expect replacement after roughly seven years of continuous use.

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