Hardware Spec Index

Teralux FN-3981 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3981-MAX · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index481 (Case Fans scale)
Category rank#26,788
Street price$19
Power4 W
Performance per dollar25.32
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3981 Max
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3981 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/19787788 (accessed 2026-10-26).