Hardware Spec Index

Teralux FN-3940 Ti 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3940-TI · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index719 (Case Fans scale)
Category rank#1,643
Street price$19
Power3 W
Performance per dollar37.84
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3940 Ti
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3940 Ti 140mm PWM Case Fan”, https://vextor7.com/item/297036 (accessed 2026-10-23).