Hardware Spec Index

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

Case Fans · Teralux · SKU FN3989-PLUS · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,158 (Case Fans scale)
Category rank#47,362
Street price$39
Power3 W
Performance per dollar29.69
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3989 Plus
Size120 × 120 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3989 Plus 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/21880433 (accessed 2026-10-24).