Hardware Spec Index

Teralux FN-3989 XT 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3989-XT · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,384 (Case Fans scale)
Category rank#42,601
Street price$49
Power3 W
Performance per dollar28.24
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3989 XT
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise36 dBA
BearingFluid dynamic 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 XT 120mm PWM ARGB Case Fan”, https://vextor7.com/item/8999047 (accessed 2026-10-20).