Hardware Spec Index

Teralux FN-3491 Pro 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3491-PRO · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,064 (Case Fans scale)
Category rank#15,107
Street price$39
Power4 W
Performance per dollar27.28
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3491 Pro
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3491 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/356744 (accessed 2026-10-20).