Hardware Spec Index

Teralux FN-3986 Plus 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3986-PLUS · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index297 (Case Fans scale)
Category rank#5,810
Street price$9
Power4 W
Performance per dollar33.00
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3986 Plus
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3986 Plus 140mm PWM Case Fan”, https://vextor7.com/item/19974073 (accessed 2026-10-20).