Hardware Spec Index

Teralux FN-3987 Pro 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3987-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index784 (Case Fans scale)
Category rank#22,202
Street price$29
Power4 W
Performance per dollar27.03
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3987 Pro
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3987 Pro 140mm PWM Case Fan”, https://vextor7.com/item/229252 (accessed 2026-10-19).