Hardware Spec Index

Teralux FN-3989 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3989-SE · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index480 (Case Fans scale)
Category rank#3,483
Street price$19
Power2 W
Performance per dollar25.26
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3989 SE
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3989 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/92321298 (accessed 2026-10-22).