Hardware Spec Index

Teralux FN-3947 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3947-PRO · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index220 (Case Fans scale)
Category rank#19,306
Street price$9
Power3 W
Performance per dollar24.44
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3947 Pro
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3947 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/80242800 (accessed 2026-10-19).