Hardware Spec Index

Teralux FN-4091 Pro 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4091-PRO · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index901 (Case Fans scale)
Category rank#7,587
Street price$29
Power3 W
Performance per dollar31.07
Released2022

Specifications

BrandTeralux
ModelTeralux FN-4091 Pro
Size120 × 120 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4091 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/54779875 (accessed 2026-10-25).