Hardware Spec Index

Teralux FN-9991 Pro 140mm PWM Case Fan

Case Fans · Teralux · SKU FN9991-PRO · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index666 (Case Fans scale)
Category rank#7,112
Street price$19
Power4 W
Performance per dollar35.05
Released2021

Specifications

BrandTeralux
ModelTeralux FN-9991 Pro
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9991 Pro 140mm PWM Case Fan”, https://vextor7.com/item/14213339 (accessed 2026-10-25).