Hardware Spec Index

Teralux FN-3989 Pro 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3989-PRO · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,242 (Case Fans scale)
Category rank#11,636
Street price$39
Power3 W
Performance per dollar31.85
Released2022

Specifications

BrandTeralux
ModelTeralux FN-3989 Pro
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3989 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/3756944 (accessed 2026-10-21).