Hardware Spec Index

Teralux FN-3989 Plus 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3989-PLUS · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index982 (Case Fans scale)
Category rank#17,205
Street price$39
Power2 W
Performance per dollar25.18
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3989 Plus
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3989 Plus 120mm PWM ARGB Case Fan”, https://vextor7.com/item/2328071 (accessed 2026-10-20).