Hardware Spec Index

Teralux FN-4091 Pro 120mm PWM Case Fan

Case Fans · Teralux · SKU FN4091-PRO · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index351 (Case Fans scale)
Category rank#46,102
Street price$9
Power4 W
Performance per dollar39.00
Released2024

Specifications

BrandTeralux
ModelTeralux FN-4091 Pro
Size120 × 120 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4091 Pro 120mm PWM Case Fan”, https://vextor7.com/item/5486352 (accessed 2026-10-19).