Hardware Spec Index

Teralux FN-3866 SE 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3866-SE · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index691 (Case Fans scale)
Category rank#11,345
Street price$19
Power3 W
Performance per dollar36.37
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3866 SE
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3866 SE 140mm PWM Case Fan”, https://vextor7.com/item/19834572 (accessed 2026-10-21).