Hardware Spec Index

Teralux FN-3981 Edge 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3981-EDGE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index584 (Case Fans scale)
Category rank#29,945
Street price$19
Power4 W
Performance per dollar30.74
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3981 Edge
Size120 × 120 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3981 Edge 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91360169 (accessed 2026-10-22).