Hardware Spec Index

Teralux FN-3989 XT 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3989-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index273 (Case Fans scale)
Category rank#24,329
Street price$9
Power2 W
Performance per dollar30.33
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3989 XT
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3989 XT 140mm PWM Case Fan”, https://vextor7.com/item/21584634 (accessed 2026-10-21).