Hardware Spec Index

Teralux FN-3940 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3940-PRO · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index663 (Case Fans scale)
Category rank#26,762
Street price$19
Power4 W
Performance per dollar34.89
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3940 Pro
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3940 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/859306 (accessed 2026-10-25).