Hardware Spec Index

Teralux FN-3947 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3947-SE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index814 (Case Fans scale)
Category rank#33,542
Street price$29
Power3 W
Performance per dollar28.07
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3947 SE
Size120 × 120 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3947 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/679765 (accessed 2026-10-20).