Hardware Spec Index

Teralux FN-4091 Pro 140mm PWM Case Fan

Case Fans · Teralux · SKU FN4091-PRO · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index473 (Case Fans scale)
Category rank#32,922
Street price$19
Power3 W
Performance per dollar24.89
Released2024

Specifications

BrandTeralux
ModelTeralux FN-4091 Pro
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4091 Pro 140mm PWM Case Fan”, https://vextor7.com/item/8468434 (accessed 2026-10-22).