Hardware Spec Index

Teralux FN-4491 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4491-PRO · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index329 (Case Fans scale)
Category rank#24,669
Street price$9
Power3 W
Performance per dollar36.56
Released2023

Specifications

BrandTeralux
ModelTeralux FN-4491 Pro
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4491 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7068075 (accessed 2026-10-24).