Hardware Spec Index

Teralux FN-3947 Ti 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3947-TI · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index896 (Case Fans scale)
Category rank#1,984
Street price$29
Power3 W
Performance per dollar30.90
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3947 Ti
Size140 × 140 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3947 Ti 140mm PWM ARGB Case Fan”, https://vextor7.com/item/165187 (accessed 2026-10-21).