Hardware Spec Index

Teralux FN-3947 SE 140mm PWM ARGB Case Fan

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

Key facts

Benchmark index1,180 (Case Fans scale)
Category rank#36,274
Street price$49
Power3 W
Performance per dollar24.08
Released2026

Specifications

BrandTeralux
ModelTeralux FN-3947 SE
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3947 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8003870 (accessed 2026-10-19).