Hardware Spec Index

Teralux FN-3940 Pro 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3940-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index736 (Case Fans scale)
Category rank#18,901
Street price$19
Power4 W
Performance per dollar38.74
Released2022

Specifications

BrandTeralux
ModelTeralux FN-3940 Pro
Size120 × 120 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3940 Pro 120mm PWM Case Fan”, https://vextor7.com/item/35455242 (accessed 2026-10-20).