Hardware Spec Index

Teralux FN-3391 Pro 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3391-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index698 (Case Fans scale)
Category rank#23,729
Street price$19
Power4 W
Performance per dollar36.74
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3391 Pro
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3391 Pro 120mm PWM Case Fan”, https://vextor7.com/item/558943 (accessed 2026-10-24).