Hardware Spec Index

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

Case Fans · Teralux · SKU FN3781-PRIME · Released 2024 · Updated 2026-10-18

Key facts

Benchmark index828 (Case Fans scale)
Category rank#23,484
Street price$29
Power3 W
Performance per dollar28.55
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3781 Prime
Size120 × 120 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3781 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/427652 (accessed 2026-10-18).