Hardware Spec Index

Teralux FN-3909 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3909-XT · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index754 (Case Fans scale)
Category rank#15,864
Street price$19
Power3 W
Performance per dollar39.68
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3909 XT
Size140 × 140 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3909 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5419084 (accessed 2026-10-18).