Hardware Spec Index

Teralux FN-3781 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3781-XT · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index579 (Case Fans scale)
Category rank#45,013
Street price$19
Power4 W
Performance per dollar30.47
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3781 XT
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3781 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/62944170 (accessed 2026-10-25).