Hardware Spec Index

Teralux FN-3989 SE 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3989-SE · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index458 (Case Fans scale)
Category rank#45,029
Street price$19
Power3 W
Performance per dollar24.11
Released2026

Specifications

BrandTeralux
ModelTeralux FN-3989 SE
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3989 SE 140mm PWM Case Fan”, https://vextor7.com/item/3733998 (accessed 2026-10-23).