Hardware Spec Index

Teralux FN-3997 Pro 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3997-PRO · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index677 (Case Fans scale)
Category rank#43,510
Street price$19
Power4 W
Performance per dollar35.63
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3997 Pro
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3997 Pro 120mm PWM Case Fan”, https://vextor7.com/item/9034722 (accessed 2026-10-20).