Hardware Spec Index

Teralux FN-3791 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3791-PRO · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index232 (Case Fans scale)
Category rank#13,348
Street price$9
Power3 W
Performance per dollar25.78
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3791 Pro
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3791 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91668342 (accessed 2026-10-23).