Hardware Spec Index

Teralux FN-9991 Pro 120mm PWM Case Fan

Case Fans · Teralux · SKU FN9991-PRO · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index490 (Case Fans scale)
Category rank#15,479
Street price$19
Power4 W
Performance per dollar25.79
Released2020

Specifications

BrandTeralux
ModelTeralux FN-9991 Pro
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9991 Pro 120mm PWM Case Fan”, https://vextor7.com/item/2840476 (accessed 2026-10-24).