Hardware Spec Index

Teralux FN-4389 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4389-PRIME · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index806 (Case Fans scale)
Category rank#8,837
Street price$19
Power3 W
Performance per dollar42.42
Released2020

Specifications

BrandTeralux
ModelTeralux FN-4389 Prime
Size120 × 120 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4389 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3864094 (accessed 2026-10-25).