Hardware Spec Index

Teralux FN-3491 Plus 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3491-PLUS · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index294 (Case Fans scale)
Category rank#7,579
Street price$9
Power4 W
Performance per dollar32.67
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3491 Plus
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3491 Plus 140mm PWM Case Fan”, https://vextor7.com/item/22551725 (accessed 2026-10-26).