Hardware Spec Index

Teralux FN-3781 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3781-PRO · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index356 (Case Fans scale)
Category rank#30,206
Street price$9
Power4 W
Performance per dollar39.56
Released2022

Specifications

BrandTeralux
ModelTeralux FN-3781 Pro
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3781 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91585905 (accessed 2026-10-23).