Hardware Spec Index

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

Case Fans · Teralux · SKU FN3781-XT · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index703 (Case Fans scale)
Category rank#46,119
Street price$19
Power3 W
Performance per dollar37.00
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3781 XT
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3781 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7799283 (accessed 2026-10-23).